September weather forecast
Canastica, Dominican Republic

September

Weather in September

The first month of the autumn, September, is still a hot month in Canastica, Dominican Republic, with an average temperature varying between 30.3°C (86.5°F) and 23.2°C (73.8°F).

Temperature

Canastica experiences a minor change to a still hot 30.3°C (86.5°F) in average high-temperature during September, closely reflecting August. Canastica's temperature lowers to a mean of 23.2°C (73.8°F) during the nights in September.

Heat index

During September, the heat index is computed to be a sweltering 39°C (102.2°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
One should consider that heat index numbers are for shaded settings and light 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 'real feel' or 'feels like', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. With direct sunlight, be aware that it might enhance the heat sensation, raising 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 necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. With a lot of moisture in the air, the evaporation process is not as effective, and the body does not cool down as efficiently, creating a perception of overheating. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

September through December, with an average relative humidity of 81%, are the most humid months in Canastica.

Rainfall

In September, the rain falls for 15.8 days. Throughout September, 47mm (1.85") of precipitation is accumulated. Throughout the year, there are 168.6 rainfall days, and 443mm (17.44") of precipitation is accumulated.

Daylight

In Canastica, Dominican Republic, the average length of the day in September is 12h and 14min.
On the first day of September, sunrise is at 06:26 and sunset at 18:54. On the last day of the month, sunrise is at 06:30 and sunset at 18:29 AST.

Sunshine

The months with the most sunshine are September and November, with an average of 9.4h of sunshine.

UV index

May through July, September and October, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 7 during September leads to these advisories:
Deflect overexposure. Sun protection is a necessity. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

How hot is September in Canastica?
In September, the average high-temperature and low-temperature in Canastica are 30.3°C (86.5°F) and 23.2°C (73.8°F) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which combines relative humidity and air temperature, is computed to be 39°C (102.2°F).
What are the most humid months in Canastica?
The months with the highest humidity are September through December, with an average relative humidity of 81%.
What is the average humidity in September in Canastica?
In September, the average relative humidity in Canastica is 81%.
How much does it rain in Canastica in September?
In Canastica, Dominican Republic, in September, during 15.8 rainfall days, 47mm (1.85") of precipitation is typically accumulated.
How many hours of daylight does Canastica have in September?
In Canastica, Dominican Republic, the average day length in September is 12h and 14min.
When is the sunrise / sunset in September in Canastica?
On the first day of September in Canastica, sunrise is at 06:26 and sunset at 18:54. On the last day of the month, sunrise is at 06:30 and sunset at 18:29 AST.
What is the month with the most sunshine in Canastica?
The months with the most sunshine in Canastica are September and November, with an average of 9.4h of sunshine.
How long on average sun shines in September in Canastica?
In Canastica, the average sunshine duration in September is 9.4h.
When is the highest UV index in Canastica?
The months with the highest UV index are May through July, September and October, with an average maximum UV index of 7.
What is the UV index reading in September in Canastica?
In September, the average daily maximum UV index is 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Canastica, Dominican Republic
  • Average high temperature in September: 30.3°C

The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (27.6°C).

  • Average low temperature in September: 23.2°C

The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is February (20.2°C).

Average pressure in September
Canastica, Dominican Republic
  • Average pressure in September: 1013.4mbar

The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is October (1012.6mbar).

Average wind speed in September
Canastica, Dominican Republic
  • Average wind speed in September: 8.8km/h

The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is October (8.5km/h).

Average humidity in September
Canastica, Dominican Republic
  • Average humidity in September: 81%

The months with the highest relative humidity are September, October, November and December (81%).
The month with the lowest relative humidity is March (77%).

Average rainfall in September
Canastica, Dominican Republic
  • Average rainfall in September: 47mm

The wettest month (with the highest rainfall) is August (86mm).
The driest month (with the least rainfall) is January (9mm).

Average rainfall days in September
Canastica, Dominican Republic
  • Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (7.3 days).

Average daylight in September /
Average sunshine in September
Canastica, Dominican Republic
  • Average daylight in September: 12h and 1min

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

  • Average sunshine in September: 9h and 2min

The months with the most sunshine are September and November (Average sunshine: 9h and 24min).
The month with the least sunshine is May (Average sunshine: 8h and 42min).

Average sunshine days in September
Canastica, Dominican Republic
  • Average sunshine days in September: 11.9 days

The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is July (10.1 days).

Average UV index in September
Canastica, Dominican Republic
  • Average UV index in September: 7

The months with the highest UV index are May, June, July, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, August, November and December (UV index 6).

Average cloud cover in September
Canastica, Dominican Republic
  • Average cloud cover in September: 25

The month with the most cloud cover is May (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).

Average visibility in September
Canastica, Dominican Republic
  • Average visibility in September: 9km

The months with the highest visibility are February, March, November and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September and October (9km).

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