Weather in Nassau for September 2025
Until now, September 2025 in Nassau has been nearly identical to the historical average, with a temperature of 29.3 °C (showing only a slight deviation of -0.3 °C).
The forecast for the next days in Nassau predicts temperatures to be around 29 °C, close to the historical average.
In general, the average temperature in Nassau at the beginning of September is 29.6 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 29.3 °C by the end of September.
Nassau experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 118.4 mm.
Temperatures
Rain 🌧️
Nassau Weather September
Temperatures trend during September in Nassau
September weather in Nassau day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Cloudy | 29° /27° | 11.3 mm | 6 | |
| 2 Sept. |  Moderate or heavy rain shower | 30° /27° | 9.4 mm | 6 | |
| 3 Sept. | Cloudy | 30° /27° | 4.4 mm | 6 | |
| 4 Sept. |  Patchy rain possible | 30° /27° | 10.3 mm | 6 | |
| 5 Sept. | Cloudy | 30° /27° | 9.3 mm | 6 | |
| 6 Sept. | Light rain shower | 29° /27° | 2.3 mm | 6 | |
| 7 Sept. | Patchy rain possible | 29° /27° | 0.7 mm | 6 | |
| 8 Sept. | Patchy rain possible | 29° /27° | 1.6 mm | 6 | |
| 9 Sept. |  Sunny | 32° /28° | 0 mm | 2.6 | |
| 10 Sept. | Sunny | 32° /29° | 0 mm | 2.6 | |
| 11 Sept. |  Partly cloudy | 29° /28° | 0 mm | 2.5 | |
| 12 Sept. | Patchy rain possible | 29° /28° | 3.6 mm | 2.3 | |
| 13 Sept. | Patchy rain possible | 29° /27° | 0.9 mm | 0 | |
| 14 Sept. | Patchy rain possible | 29° /28° | 0.3 mm | 6 | |
| 15 Sept. | Patchy rain possible | 29° /28° | 1.2 mm | 6 | |
| 16 Sept. | Patchy rain possible | 29° /28° | 1 mm | 6 | |
| 17 Sept. | Patchy rain possible | 29° /27° | 4.1 mm | 6 | |
| 18 Sept. | Patchy rain possible | 29° /27° | 1.8 mm | 6 | |
| 19 Sept. | Patchy rain possible | 29° /28° | 2.2 mm | 6 | |
| 20 Sept. | Patchy rain possible | 29° /28° | 2.2 mm | 6 | |
| 21 Sept. | Patchy rain possible | 28° /28° | 0.1 mm | 6 | |
| 22 Sept. | Partly cloudy | 30° /27° | 5.1 mm | 7 | |
| 23 Sept. | Patchy rain possible | 30° /26° | 7.7 mm | 7 | |
| 24 Sept. |  Heavy rain at times | 29° /27° | 4.1 mm | 7 | |
| 25 Sept. | Moderate or heavy rain shower | 29° /27° | 4.1 mm | 6 | |
| 26 Sept. | Moderate or heavy rain shower | 29° /27° | 7.6 mm | 6 | |
| 27 Sept. | Patchy rain possible | 30° /27° | 8.7 mm | 6 | |
| 28 Sept. | Patchy rain possible | 29° /27° | 11.5 mm | 6 | |
| 29 Sept. | Patchy rain possible | 30° /27° | 8.8 mm | 7 | |
| 30 Sept. | Patchy rain possible | 29° /27° | 1.7 mm | 7 | |
| Next | |||||
Nassau in September - FAQ
Nassau water temperatures in September
The average water temperature of the Atlantic Ocean near Nassau in September is 28.7 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Nassau in September?
- The average water temperature in Nassau in September is 28.7 °C.
- Can you swim in Nassau in September?
- The sea feels almost bath-like – perfect for floating, paddle-boarding or spending hours snorkeling without a wetsuit.
September rainfall patterns in Nassau
UV exposure in Nassau during September
Quick links
Where is Nassau?Get accurate weather forecasts for Nassau, located at latitude 25.058 and longitude -77.343. Stay updated with localized weather information tailored for Nassau.