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 an exceptionally high level of rainfall in September, with more than 20 rainy days on average.
Is September a good time to visit Basseterre? check out the best time to travel to Basseterre page.
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8
Dry days
22
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?
In September, Basseterre can expect light to moderate rainfall, totaling 40.3 mm across approximately 22 days. Occasional showers are possible, and planning ahead for them could be helpful.
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.
What to pack to Basseterre in September?
As you prepare for your trip to Basseterre in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Basseterre, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
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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