September
Weather in Saint Martin for September 2025
Your guide to Saint Martin weather in September - trends and predictions
The forecast for the first days of September 2025 in Saint Martin predicts temperatures to be around 28 °C, close to the historical average.
In general, the average temperature in Saint Martin at the beginning of September is 28 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 28.9 °C by the end of September.
Saint Martin experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 118 mm.
Temperatures
Rain 🌧️
8
Dry days
22
Rainy days
0
Snow days
29°/27°
Temperatures
25 km/h
Avg max wind
75 %
Avg humidity
Saint Martin Weather September
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Temperatures trend during September in Saint Martin
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September weather in Saint Martin day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 28° /28° | 0.1 mm | 6 | |
| 2 Sept. | Patchy rain possible | 28° /28° | 0.2 mm | 6 | |
| 3 Sept. | Patchy rain possible | 28° /28° | 0.1 mm | 6 | |
| 4 Sept. | Patchy rain possible | 28° /28° | 0.7 mm | 6 | |
| 5 Sept. | Patchy rain possible | 28° /28° | 0.2 mm | 6 | |
| 6 Sept. | Patchy rain possible | 28° /28° | 0.2 mm | 6 | |
| 7 Sept. | Patchy rain possible | 28° /28° | 1 mm | 6 | |
| 8 Sept. |  Heavy rain at times | 28° /27° | 7.9 mm | 6 | |
| 9 Sept. |  Moderate rain at times | 29° /27° | 1.7 mm | 6 | |
| 10 Sept. | Moderate or heavy rain shower | 27° /26° | 29.9 mm | 6 | |
| 11 Sept. | Patchy rain possible | 28° /26° | 14.9 mm | 6 | |
| 12 Sept. | Moderate rain at times | 28° /27° | 1 mm | 6 | |
| 13 Sept. | Moderate or heavy rain shower | 28° /27° | 10.5 mm | 6 | |
| 14 Sept. | Heavy rain at times | 29° /27° | 5.5 mm | 6 | |
| 15 Sept. |  Overcast | 29° /28° | 0 mm | 6 | |
| 16 Sept. |  Cloudy | 29° /28° | 0 mm | 6 | |
| 17 Sept. | Cloudy | 29° /28° | 0 mm | 6 | |
| 18 Sept. | Patchy rain possible | 28° /27° | 1.3 mm | 6 | |
| 19 Sept. | Patchy rain possible | 29° /27° | 0.9 mm | 6 | |
| 20 Sept. | Patchy rain possible | 28° /26° | 1.3 mm | 6 | |
| 21 Sept. |  Sunny | 29° /26° | 0.1 mm | 7 | |
| 22 Sept. |  Partly cloudy | 29° /28° | 0 mm | 7 | |
| 23 Sept. | Partly cloudy | 29° /28° | 0 mm | 7 | |
| 24 Sept. | Moderate rain at times | 29° /28° | 1.6 mm | 6 | |
| 25 Sept. | Moderate rain at times | 29° /27° | 1.4 mm | 6 | |
| 26 Sept. | Moderate or heavy rain shower | 29° /27° | 7.4 mm | 6 | |
| 27 Sept. | Cloudy | 29° /27° | 1.7 mm | 6 | |
| 28 Sept. | Patchy rain possible | 29° /27° | 0.8 mm | 6 | |
| 29 Sept. | Patchy rain possible | 29° /27° | 1.1 mm | 6 | |
| 30 Sept. | Patchy rain possible | 28° /28° | 0.3 mm | 6 | |
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Important Notice
Our weather forecast for Saint Martin in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint Martin forecast closer to your planned date for the most up-to-date weather information.
Change Month
Saint Martin in September - FAQ
What are the expected maximum and minimum temperatures in Saint Martin during September?
During September, expect a variety of temperatures with highs around 29° and lows near 27°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Martin during September?
Significant rainfall exceeding 118 mm is expected in Saint Martin during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Saint Martin during September?
The average wind speed in Saint Martin during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Saint Martin
Explore the daily rainfall trends and prepare for Saint Martins September weather 💧
UV exposure in Saint Martin during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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