September weather forecast
Layou, Saint Vincent and the Grenadines

englishespañol中文
Share

Weather in September

September in Layou presents a blend of consistent temperatures from 28.7°C (83.7°F) to 27.9°C (82.2°F). The weather conditions appear similar to those of last month, maintaining a balance between temperature and rainfall. The city becomes more vibrant with the increased visibility and lesser cloud cover. The extended daylight hours and abundant sunshine, filled with mild wind sensation, make September weather extremely delightful for any outdoor pursuit. September also signifies the advent of the dry season, bringing less rainfall, and ample sunshine.

Temperature

Layou's temperatures tend to reach their peak averages in September, with a high of 28.7°C (83.7°F) and a low of 27.9°C (82.2°F).

Heat index

September's average heat index is appraised at a hot 33°C (91.4°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Consider that heat index readings are for situations in the shade and light wind. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'feels like' or 'real feel', is a value derived by merging air temperature with the humidity to convey how the climate feels. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.

Humidity

The average relative humidity in September is 76%.

Rainfall

In Layou, in September, it is raining for 14.9 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, there are 164.4 rainfall days, and 289mm (11.38") of precipitation is accumulated.

Sea temperature

The month with the warmest seawater is September, with an average sea temperature of 29.7°C (85.5°F).
Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are considered superb and highly pleasant for water activities over extended periods.

Daylight

The average length of the day in September in Layou is 12h and 12min.
On the first day of September in Layou, sunrise is at 05:53 and sunset at 18:15. On the last day of the month, sunrise is at 05:54 and sunset at 17:55 AST.

Sunshine

In Layou, the average sunshine in September is 10.4h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Layou are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Note! Reflective surfaces like sand and water heighten the UV radiation levels.
[Resources]

Frequently asked questions

What are the warmest months in Layou?

The warmest temperatures in Layou occur during September, when averages reach a peak of 28.7°C (83.7°F) and a low of 27.9°C (82.2°F).

How hot does it get in Layou in September?

The high-temperature during September is 28.7°C (83.7°F) and the low-temperature is 27.9°C (82.2°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in September is appraised at 33°C (91.4°F).

What is the average humidity in September in Layou?

The average relative humidity in September in Layou, Saint Vincent and the Grenadines, is 76%.

How many days does it rain in September in Layou?

In September, in Layou, the rain falls for 14.9 days. Throughout September, 26mm (1.02") of precipitation is accumulated.

What is the month with the warmest sea water in Layou?

With an average sea temperature of 29.7°C (85.5°F), September is the month with the warmest seawater in Layou, Saint Vincent and the Grenadines.

How warm is the water in September in Layou?

In September, the average sea temperature in Layou is 29.7°C (85.5°F). For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

How many hours of daylight does Layou have in September?

In September, the average day length in Layou, Saint Vincent and the Grenadines, is 12h and 12min.

When is the sunrise / sunset in September in Layou?

In September, on the first day of the month, sunrise is at 05:53 and sunset at 18:15. On the last day of the month, in Layou, sunrise is at 05:54 and sunset at 17:55 AST.

How long on average sun shines in September in Layou?

The average sunshine duration in September is 10.4h.

When is the highest UV index in Layou?

January through December, with an average maximum UV index of 7, are months with the highest UV index in Layou, Saint Vincent and the Grenadines.

What are the months with the lowest UV index in Layou?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Layou, Saint Vincent and the Grenadines.

What is the UV index reading in September in Layou?

The average daily maximum UV index in September in Layou is 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to Sun's UV rays.

Average temperature in September
Layou, Saint Vincent and the Grenadines

Average temperature in September - Layou, Saint Vincent and the Grenadines
  • Average high temperature in September: 28.7°C

The warmest month (with the highest average high temperature) is September (28.7°C).
The month with the lowest average high temperature is February (26.3°C).

  • Average low temperature in September: 27.9°C

The month with the highest average low temperature is September (27.9°C).
The coldest month (with the lowest average low temperature) is January (25.3°C).

[Resources]

Average pressure in September
Layou, Saint Vincent and the Grenadines

Average pressure in September - Layou, Saint Vincent and the Grenadines
  • Average pressure in September: 1012.3mbar

The month with the highest atmospheric pressure is June (1014.6mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).

[Resources]

Average wind speed in September
Layou, Saint Vincent and the Grenadines

Average wind speed in September - Layou, Saint Vincent and the Grenadines
  • Average wind speed in September: 19.7km/h

The windiest month (with the highest average wind speed) is February (28.4km/h).
The calmest month (with the lowest average wind speed) is September (19.7km/h).

[Resources]

Average humidity in September
Layou, Saint Vincent and the Grenadines

Average humidity in September - Layou, Saint Vincent and the Grenadines
  • Average humidity in September: 76%

The months with the highest relative humidity are May, June and July (78%).
The month with the lowest relative humidity is February (75%).

[Resources]

Average rainfall in September
Layou, Saint Vincent and the Grenadines

Average rainfall in September - Layou, Saint Vincent and the Grenadines
  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is February (12mm).

[Resources]

Average rainfall days in September
Layou, Saint Vincent and the Grenadines

Average rainfall days in September - Layou, Saint Vincent and the Grenadines
  • Average rainfall days in September: 14.9 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is February (8.7 days).

[Resources]

Average sea temperature in September
Layou, Saint Vincent and the Grenadines

Average sea temperature in September - Layou, Saint Vincent and the Grenadines
  • Average sea temperature in September: 29.7°C

The best month for swimming (with the highest average sea temperature) is September (29.7°C).
The coldest month (with the lowest average sea temperature) is March (27.2°C).

[Resources]

Average daylight in September /
Average sunshine in September
Layou, Saint Vincent and the Grenadines

Average daylight in September / Average sunshine in September - Layou, Saint Vincent and the Grenadines
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 24min).

  • Average sunshine in September: 10h and 2min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 36min).

[Resources]

Average sunshine days in September
Layou, Saint Vincent and the Grenadines

Average sunshine days in September - Layou, Saint Vincent and the Grenadines
  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is March (16.7 days).
The month with the least sunshine days is July (10.1 days).

[Resources]

Average UV index in September
Layou, Saint Vincent and the Grenadines

Average UV index in September - Layou, Saint Vincent and the Grenadines
  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

[Resources]

Average cloud cover in September
Layou, Saint Vincent and the Grenadines

Average cloud cover in September - Layou, Saint Vincent and the Grenadines
  • Average cloud cover in September: 35

The month with the most cloud cover is June (Cloud cover 44).
The months with the least cloud cover are February and September (Cloud cover 35).

[Resources]

Average visibility in September
Layou, Saint Vincent and the Grenadines

Average visibility in September - Layou, Saint Vincent and the Grenadines
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

[Resources]

Layou, Saint Vincent and the Grenadines

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location