September weather forecast
Colihaut, Dominica

englishespañol中文
Share

Weather in September

And, the seasonal curve takes another high in September, with temperatures dropping slightly from August, signifying reduced intensity of the summer spell. Even so, the city experiences a similar rainfall pattern as the previous month but with slightly lower rainfall days. While rainfall is frequent, it doesn't deter the city's moderate visibility range, assuring unrestricted sightseeing. A noticeable drop in wind speed ensures calm weather, ideal for leisurely beach activities along the coastline. With favourable weather conditions, September remains a prime month for tourism in Colihaut.

Temperature

In Colihaut, the highest average temperatures are observed in September, with a high of 29.1°C (84.4°F) and a low of 27.6°C (81.7°F).

Heat index

The heat index for September is estimated at a hot 34°C (93.2°F). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.

Humidity

In Colihaut, the average relative humidity in September is 76%.

Rainfall

The month with the most rainfall is September, when the rain falls for 20 days and typically aggregates up to 82mm (3.23") of precipitation.

Daylight

In September, the average length of the day is 12h and 13min.
On the first day of the month, sunrise is at 05:53 and sunset at 18:18. On the last day of September, in Colihaut, sunrise is at 05:55 and sunset at 17:55 AST.

Sunshine

August and September, with an average of 10.1h of sunshine, are months with the most sunshine in Colihaut.

UV index

The months with the highest UV index in Colihaut are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Resist overexposure. Safeguarding from solar damage is indispensable. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
[Resources]

Frequently asked questions

What are the warmest months in Colihaut?

The warmest period in Colihaut is September, when temperatures fluctuate between an average high of 29.1°C (84.4°F) and a low of 27.6°C (81.7°F).

How hot is it in Colihaut in September?

September temperatures in Colihaut vary between a high-temperature of 29.1°C (84.4°F) and a low-temperature of 27.6°C (81.7°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is estimated at 34°C (93.2°F).

What is the average humidity in September in Colihaut?

In September, the average relative humidity is 76%.

What is the rainiest month in Colihaut?

September is the month with the most rainfall in Colihaut. Rain falls for 20 days and accumulates 82mm (3.23") of precipitation.

How many days does it rain in September in Colihaut?

In Colihaut, in September, it is raining for 20 days, with typically 82mm (3.23") of accumulated precipitation.

How many hours of daylight does Colihaut have in September?

In September, the average day length is 12h and 13min.

When are sunrise and sunset in September in Colihaut?

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

What are the months with the most sunshine in Colihaut?

The months with the most sunshine in Colihaut are August and September, with an average of 10.1h of sunshine.

How long on average sun shines in September in Colihaut?

The average sunshine duration in September is 10.1h.

When is the highest UV index in Colihaut?

The months with the highest UV index are January through December, with an average maximum UV index of 7.

What is the month with the lowest UV index in Colihaut?

January through December, with an average maximum UV index of 7, are months with the lowest UV index in Colihaut, Dominica.

How high is the UV index in September in Colihaut?

The average daily maximum UV index in September in Colihaut, Dominica, is 7. A UV Index estimate of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.

Average temperature in September
Colihaut, Dominica

Average temperature in September - Colihaut, Dominica
  • Average high temperature in September: 29.1°C

The warmest month (with the highest average high temperature) is September (29.1°C).
The month with the lowest average high temperature is January (26.2°C).

  • Average low temperature in September: 27.6°C

The month with the highest average low temperature is September (27.6°C).
The coldest month (with the lowest average low temperature) is February (24.8°C).

[Resources]

Average pressure in September
Colihaut, Dominica

Average pressure in September - Colihaut, Dominica
  • Average pressure in September: 1012.9mbar

The month with the highest atmospheric pressure is June (1015.7mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).

[Resources]

Average wind speed in September
Colihaut, Dominica

Average wind speed in September - Colihaut, Dominica
  • Average wind speed in September: 19.8km/h

The windiest month (with the highest average wind speed) is January (26.1km/h).
The calmest month (with the lowest average wind speed) is October (19.3km/h).

[Resources]

Average humidity in September
Colihaut, Dominica

Average humidity in September - Colihaut, Dominica
  • Average humidity in September: 76%

The months with the highest relative humidity are May, June, July, August and November (77%).
The month with the lowest relative humidity is February (74%).

[Resources]

Average rainfall in September
Colihaut, Dominica

Average rainfall in September - Colihaut, Dominica
  • Average rainfall in September: 82mm

The wettest month (with the highest rainfall) is September (82mm).
The driest month (with the least rainfall) is February (23mm).

[Resources]

Average rainfall days in September
Colihaut, Dominica

Average rainfall days in September - Colihaut, Dominica
  • Average rainfall days in September: 20 days

The month with the highest number of rainy days is May (22 days).
The month with the least rainy days is March (16.2 days).

[Resources]

Average daylight in September /
Average sunshine in September
Colihaut, Dominica

Average daylight in September / Average sunshine in September - Colihaut, Dominica
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in September: 10h and 1min

The months with the most sunshine are August and September (Average sunshine: 10h and 6min).
The months with the least sunshine are November and December (Average sunshine: 6h and 30min).

[Resources]

Average sunshine days in September
Colihaut, Dominica

Average sunshine days in September - Colihaut, Dominica
  • Average sunshine days in September: 6.9 days

The month with the most sunshine days is March (7.9 days).
The month with the least sunshine days is July (4.2 days).

[Resources]

Average UV index in September
Colihaut, Dominica

Average UV index in September - Colihaut, Dominica
  • 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
Colihaut, Dominica

Average cloud cover in September - Colihaut, Dominica
  • Average cloud cover in September: 38

The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is February (Cloud cover 34).

[Resources]

Average visibility in September
Colihaut, Dominica

Average visibility in September - Colihaut, Dominica
  • 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]

Colihaut, Dominica

Weather forecast for your location

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