Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
As autumn creeps in, September experiences a slight decline in daylight hours leading to shorter days. October follows September's lead but ushers in higher rainfall and lesser sunshine hours.
Temperature
The warmest period in Trafalgar is September, when temperatures fluctuate between an average high of 29°C (84.2°F) and a low of 27.7°C (81.9°F).Heat index
Throughout September, the heat index is appraised at a hot 34°C (93.2°F). Exercise extra preventive actions, heat cramps and heat exhaustion are plausible. Continuous activity could result in heatstroke.For clarity, heat index numbers account for light winds and areas under shade. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', reflects the blend of air temperature and relative humidity to give a temperature impression. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
In Trafalgar, the average relative humidity in September is 76%.Rainfall
In Trafalgar, during September, the rain falls for 21.5 days and regularly aggregates up to 86mm (3.39") of precipitation. Throughout the year, there are 261.3 rainfall days, and 724mm (28.5") of precipitation is accumulated.Daylight
The average length of the day in September in Trafalgar is 12h and 13min.On the first day of September in Trafalgar, sunrise is at 05:52 and sunset at 18:17. On the last day of the month, sunrise is at 05:55 and sunset at 17:55 AST.
Sunshine
In September, the average sunshine in Trafalgar is 10.3h.UV index
January through December, with an average maximum UV index of 7, are months with the highest UV index. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 7 in September, converts into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Try to minimize direct Sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Also note that objects like parasols or canopies might not provide complete sun protection. Boost your sun resistance with garments that are densely woven yet spacious.
Frequently asked questions
What are the warmest months in Trafalgar?
How hot does it get in Trafalgar in September?
What is the average humidity in September in Trafalgar?
How much does it rain in Trafalgar in September?
What is the average length of the day in September in Trafalgar?
When are sunrise and sunset in September in Trafalgar?
How many hours of sunshine does Trafalgar have in September?
When is the highest UV index in Trafalgar?
What is the month with the lowest UV index in Trafalgar?
What is the UV index intensity in September in Trafalgar?
Average temperature in September
Trafalgar, Dominica
- Average high temperature in September: 29°C
The warmest month (with the highest average high temperature) is September (29°C).
The months with the lowest average high temperature are February and March (26.4°C).
- Average low temperature in September: 27.7°C
The month with the highest average low temperature is October (27.8°C).
The coldest months (with the lowest average low temperature) are February and March (25.3°C).
Average pressure in September
Trafalgar, Dominica
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is June (1015.6mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in September
Trafalgar, Dominica
- Average wind speed in September: 20.2km/h
The windiest month (with the highest average wind speed) is January (27.1km/h).
The calmest months (with the lowest average wind speed) are September and October (20.2km/h).
Average humidity in September
Trafalgar, 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%).
Average rainfall in September
Trafalgar, Dominica
- Average rainfall in September: 86mm
The wettest month (with the highest rainfall) is October (91mm).
The driest month (with the least rainfall) is February (26mm).
Average rainfall days in September
Trafalgar, Dominica
- Average rainfall days in September: 21.5 days
The month with the highest number of rainy days is July (23.8 days).
The month with the least rainy days is March (18.1 days).
Average daylight in September /
Average sunshine in September
Trafalgar, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in September
Trafalgar, Dominica
- Average sunshine days in September: 6.1 days
The month with the most sunshine days is September (6.1 days).
The months with the least sunshine days are June and July (1.3 days).
Average UV index in September
Trafalgar, 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).
Average cloud cover in September
Trafalgar, Dominica
- Average cloud cover in September: 37
The months with the most cloud cover are June and July (Cloud cover 45).
The month with the least cloud cover is February (Cloud cover 34).
Average visibility in September
Trafalgar, 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).
Trafalgar, Dominica
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