The climate in Jeffersonville during September can be summarized as warm, humid and reasonably dry.
September is in the fall / autumn in Jeffersonville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 14°C (58°F) is normal.
| Daytime temperature | 27°C 80.5°F |
|---|---|
| Nightly temperature | 14.3°C 57.7°F |
| Average temperature | 20.6°C 69.1°F |
| Daily sunshine | 8.4 hrs |
| Avg rainfall | 80 mm 3.1 ins |
| Rainy days | 8 days |
| Sea temperature | 22.6°C 72.7°F |
| Humidity | 73% |
| Windspeed | 11.5kph 7 mph |
On average September is the 3rd driest month of the year in Jeffersonville with around 80mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.4 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Jeffersonville in September 2025.
Best places to visit in September
| Hottest month: | July | 30.7°C 87.3°F |
|---|---|---|
| Driest month: | October | 69mm 2.7ins |
| Sunniest month: | July | 10.1hrs |
| Coldest month: | January | 4.5°C 40.1°F |
| Wettest month: | May | 118mm 4.6ins |