Basseterre
September
Weather in Basseterre for September 2026
Your guide to Basseterre weather in September - trends and predictions
Until now, September 2026 in Basseterre has been nearly identical to the historical average, with a temperature of 28.4 °C (showing only a slight deviation of 0.4 °C).
The forecast for the next days in Basseterre predicts temperatures to be around 28 °C, close to the historical average.
In general, the average temperature in Basseterre at the beginning of September is 28.7 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 28.4 °C by the end of September.
Basseterre in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 70.5 mm.
Temperatures
Rain 🌧️
12
Dry days
18
Rainy days
0
Snow days
28°/28°
Temperatures
26 km/h
Avg max wind
74 %
Avg humidity
Basseterre Weather September
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Temperatures trend during September in Basseterre
See the weather trend as well as the moving average line
September weather in Basseterre day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 29° /27° | 1.8 mm | 7 | |
| 2 Sept. | Patchy rain possible | 29° /27° | 3.7 mm | 7 | |
| 3 Sept. | Light rain shower | 29° /27° | 1.2 mm | 5 | |
| 4 Sept. | Patchy rain possible | 29° /27° | 0.9 mm | 5 | |
| 5 Sept. | Patchy rain possible | 28° /27° | 2.4 mm | 5 | |
| 6 Sept. | Patchy rain possible | 29° /28° | 1.9 mm | 5 | |
| 7 Sept. | Patchy rain possible | 28° /27° | 4.4 mm | 5 | |
| 8 Sept. | Light rain shower | 29° /27° | 3.5 mm | 6 | |
| 9 Sept. | Light rain shower | 29° /27° | 6.3 mm | 6 | |
| 10 Sept. | Light rain shower | 29° /27° | 3.8 mm | 6 | |
| 11 Sept. |  Partly cloudy | 29° /27° | 0.9 mm | 6 | |
| 12 Sept. | Patchy rain possible | 29° /27° | 0.9 mm | 6 | |
| 13 Sept. |  Moderate rain at times | 29° /27° | 3.7 mm | 5 | |
| 14 Sept. | Patchy rain possible | 29° /27° | 1.1 mm | 5 | |
| 15 Sept. | Patchy rain possible | 29° /27° | 1.1 mm | 5 | |
| 16 Sept. | Patchy rain possible | 28° /28° | 6.4 mm | 11.6 | |
| 17 Sept. |  Overcast | 28° /27° | 8.2 mm | 7.1 | |
| 18 Sept. | Patchy rain possible | 28° /28° | 0.6 mm | 11.4 | |
| 19 Sept. | Patchy rain possible | 28° /27° | 0.6 mm | 11.4 | |
| 20 Sept. | Patchy rain possible | 28° /28° | 1.6 mm | 7 | |
| 21 Sept. | Overcast | 28° /28° | 0 mm | 7 | |
| 22 Sept. | Patchy rain possible | 28° /28° | 0.7 mm | 7 | |
| 23 Sept. | Patchy rain possible | 29° /28° | 0.9 mm | 7 | |
| 24 Sept. | Patchy rain possible | 29° /28° | 5.1 mm | 6 | |
| 25 Sept. | Patchy rain possible | 29° /28° | 1.1 mm | 6 | |
| 26 Sept. | Patchy rain possible | 28° /28° | 4.4 mm | 7 | |
| 27 Sept. | Patchy rain possible | 28° /28° | 3.5 mm | 6 | |
| 28 Sept. | Overcast | 28° /28° | 0.8 mm | 7 | |
| 29 Sept. | Light rain shower | 28° /27° | 6.7 mm | 6 | |
| 30 Sept. |  Patchy light rain | 29° /28° | 2.5 mm | 6 | |
| Next | |||||
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.
Change Month
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 28° 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 70.5 mm spread over approximately 18 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 26 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 💧
Typically, Basseterre has 18 rainy days in September with a total of 70.5 mm of rainfall.
UV exposure in Basseterre during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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