Basseterre
September
Weather in Basseterre for September 2025
Your guide to Basseterre weather in September - trends and predictions
In general, the average temperature in Basseterre at the beginning of September is 28.7 °C. As the month progressed, temperatures tended to slightly increase, reaching an average of 29 °C by the end of September.
Basseterre experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 62.7 mm.
Temperatures
Rain 🌧️
9
Dry days
21
Rainy days
0
Snow days
29°/28°
Temperatures
25 km/h
Avg max wind
74 %
Avg humidity
Basseterre in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2 29° | 3 29° | 4 29° | 5  28° | 6 29° | 7 28° |
| 8 29° | 9 29° | 10 29° | 11  29° | 12 29° | 13 29° | 14 29° |
| 15 29° | 16 29° | 17  28° | 18 28° | 19 29° | 20 29° | 21 29° |
| 22 29° | 23 29° | 24 29° | 25 29° | 26 29° | 27 29° | 28 29° |
| 29 29° | 30 29° |
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Temperatures trend during September in Basseterre
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 29° /28° | 1.8 mm | 6 | |
| 2 Sept. | Patchy rain possible | 29° /28° | 4.4 mm | 6 | |
| 3 Sept. | Light rain shower | 29° /28° | 2.3 mm | 6 | |
| 4 Sept. | Patchy rain possible | 29° /28° | 0.5 mm | 6 | |
| 5 Sept. | Cloudy | 28° /28° | 1 mm | 6 | |
| 6 Sept. | Patchy rain possible | 29° /28° | 1.4 mm | 6 | |
| 7 Sept. | Patchy rain possible | 28° /28° | 2.1 mm | 6 | |
| 8 Sept. | Light rain shower | 29° /28° | 5 mm | 6 | |
| 9 Sept. | Light rain shower | 29° /28° | 9.2 mm | 6 | |
| 10 Sept. | Cloudy | 29° /28° | 1.5 mm | 6 | |
| 11 Sept. | Partly cloudy | 29° /28° | 0.6 mm | 7 | |
| 12 Sept. | Partly cloudy | 29° /28° | 0.4 mm | 7 | |
| 13 Sept. | Cloudy | 29° /28° | 4 mm | 6 | |
| 14 Sept. | Cloudy | 29° /28° | 1.6 mm | 6 | |
| 15 Sept. | Partly cloudy | 29° /28° | 0.3 mm | 7 | |
| 16 Sept. | Cloudy | 29° /28° | 1.5 mm | 6 | |
| 17 Sept. | Patchy light drizzle | 28° /27° | 1.6 mm | 6 | |
| 18 Sept. | Cloudy | 28° /28° | 0.2 mm | 6 | |
| 19 Sept. | Light rain shower | 29° /28° | 1.1 mm | 7 | |
| 20 Sept. | Patchy rain possible | 29° /27° | 0.4 mm | 7 | |
| 21 Sept. | Light rain shower | 29° /28° | 3.1 mm | 7 | |
| 22 Sept. | Patchy rain possible | 29° /28° | 0.4 mm | 7 | |
| 23 Sept. | Patchy rain possible | 29° /28° | 0.7 mm | 6 | |
| 24 Sept. | Patchy light drizzle | 29° /28° | 0.7 mm | 6 | |
| 25 Sept. | Light rain shower | 29° /28° | 1.4 mm | 6 | |
| 26 Sept. | Patchy rain possible | 29° /28° | 5 mm | 6 | |
| 27 Sept. | Patchy light drizzle | 29° /28° | 3.5 mm | 6 | |
| 28 Sept. | Patchy rain possible | 29° /28° | 1.1 mm | 6 | |
| 29 Sept. | Patchy rain possible | 29° /28° | 3 mm | 6 | |
| 30 Sept. | Patchy light rain | 29° /28° | 3 mm | 6 | |
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Important Notice
Our weather forecast for Basseterre 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 Basseterre forecast closer to your planned date for the most up-to-date weather information.
Basseterre in September - FAQ
What are the expected maximum and minimum temperatures in Basseterre during September?
During September, expect a variety of temperatures with highs around 29° and lows near 28°, suitable for diverse activities and preferences.
How much rainfall should be expected in Basseterre during September?
Moderate rainfall is anticipated in Basseterre during September, with a total of 62.7 mm spread over approximately 21 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Basseterre during September?
The average wind speed in Basseterre during September is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Basseterre
Explore the daily rainfall trends and prepare for Basseterres September weather 💧
UV exposure in Basseterre during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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