Weather in September
September in Saint-Pierre greets autumn with a gradual decrease in temperatures but keeps the high rainfall pattern from summer. The month records a rainfall of 277mm (10.91") over a maximum 27 days. Daylight continues to shorten, creating somewhat cooler evenings and amplifying the city's tropical ambiance. Despite the substantial rainfall, the UV index remains high, emphasizing the dominance of sunny conditions. Saint-Pierre's weather during September comprises a fine blend of sunshine, rainfall, and moderate temperatures, delivering a unique experience to its inhabitants and visitants.
Note: Water activities in surface temperatures between 25°C (77°F) and 29°C (84.2°F) are seen as exceptional and extremely agreeable for lengthened time spans.
On the first day of September in Saint-Pierre, sunrise is at 05:52 and sunset at 18:16. On the last day of the month, sunrise is at 05:54 and sunset at 17:54 AST.
Note: In September, a daily maximum UV index of 12 leads to the following instructions:
Ensure all key precautions. Defense against sun exposure is critical. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Frequent reapplication of a broad-spectrum SPF 30+ sunscreen is vital every two hours or directly after a swim or an outdoor workout. Be wary! Reflections from sand and water make UV radiation more intense.
[Resources]Temperature
August and September bring Saint-Pierre's highest average temperatures, reaching a high of 30°C (86°F).Rainfall
In Saint-Pierre, during September, the rain falls for 27 days and regularly aggregates up to 277mm (10.91") of precipitation. Throughout the year, in Saint-Pierre, Martinique, there are 230 rainfall days, and 2445mm (96.26") of precipitation is accumulated.Sea temperature
September is the month with the warmest seawater in Saint-Pierre, with an average sea temperature of 29.4°C (84.9°F).Note: Water activities in surface temperatures between 25°C (77°F) and 29°C (84.2°F) are seen as exceptional and extremely agreeable for lengthened time spans.
Daylight
In September, the average length of the day in Saint-Pierre is 12h and 13min.On the first day of September in Saint-Pierre, sunrise is at 05:52 and sunset at 18:16. On the last day of the month, sunrise is at 05:54 and sunset at 17:54 AST.
Sunshine
June, July, September through December, with an average of 7h of sunshine, are months with the least sunshine.UV index
The months with the highest UV index are March through September, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily maximum UV index of 12 leads to the following instructions:
Ensure all key precautions. Defense against sun exposure is critical. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Frequent reapplication of a broad-spectrum SPF 30+ sunscreen is vital every two hours or directly after a swim or an outdoor workout. Be wary! Reflections from sand and water make UV radiation more intense.
Frequently asked questions
What time of the year is the hottest in Saint-Pierre?
The yearly peak temperatures in Saint-Pierre, Martinique, occur in August and September, averaging a high-temperature of 30°C (86°F).
How hot is it in Saint-Pierre in September?
An average high-temperature, in September, in Saint-Pierre, is 30°C (86°F) and the average low-temperature is 23°C (73.4°F).
How many days does it rain in September in Saint-Pierre?
In September, in Saint-Pierre, the rain falls for 27 days. Throughout September, 277mm (10.91") of precipitation is accumulated.
When is the sea warmest in Saint-Pierre?
September is the month with the warmest seawater in Saint-Pierre, Martinique, with an average sea temperature of 29.4°C (84.9°F).
How warm is the water in September in Saint-Pierre?
In Saint-Pierre, Martinique, in September, the average water temperature is 29.4°C (84.9°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.
How many hours of daylight does Saint-Pierre have in September?
In Saint-Pierre, the average day length in September is 12h and 13min.
What time are sunrise and sunset in September in Saint-Pierre?
On the first day of September in Saint-Pierre, sunrise is at 05:52 and sunset at 18:16. On the last day of the month, sunrise is at 05:54 and sunset at 17:54 AST.
What is the month with the least sunshine in Saint-Pierre?
The months with the least sunshine in Saint-Pierre are June, July, September through December, with an average of 7h of sunshine.
How many hours of sunshine does Saint-Pierre have in September?
The average sunshine duration in September is 7h.
What is the month with the highest UV index in Saint-Pierre?
The months with the highest UV index in Saint-Pierre are March through September, with an average maximum UV index of 12.
What is the UV index reading in September in Saint-Pierre?
In Saint-Pierre, Martinique, the average daily maximum UV index in September is 12. A UV Index of 11, and more, symbolizes an excessive health risk from exposure to Sun's UV rays.
Average temperature in September
Saint-Pierre, Martinique
- Average high temperature in September: 30°C
The warmest months (with the highest average high temperature) are August and September (30°C).
The months with the lowest average high temperature are January and February (27°C).
- Average low temperature in September: 23°C
The months with the highest average low temperature are June, July, August and September (23°C).
The coldest months (with the lowest average low temperature) are January, February and March (20°C).
Average rainfall in September
Saint-Pierre, Martinique
- Average rainfall in September: 277mm
The wettest month (with the highest rainfall) is August (286mm).
The driest month (with the least rainfall) is March (96mm).
Average rainfall days in September
Saint-Pierre, Martinique
- Average rainfall days in September: 27 days
The month with the highest number of rainy days is September (27 days).
The month with the least rainy days is April (13 days).
Average sea temperature in September
Saint-Pierre, Martinique
- Average sea temperature in September: 29.4°C
The best month for swimming (with the highest average sea temperature) is September (29.4°C).
The coldest month (with the lowest average sea temperature) is February (26.9°C).
Average daylight in September /
Average sunshine in September
Saint-Pierre, Martinique
- 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 18min).
- Average sunshine in September: 7h
The months with the most sunshine are January, February, March, April, May and August (Average sunshine: 8h).
The months with the least sunshine are June, July, September, October, November and December (Average sunshine: 7h).
Average UV index in September
Saint-Pierre, Martinique
- Average UV index in September: 12
The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).
Saint-Pierre, Martinique
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