The climate in Springfield during September can be summarized as warm, humid and damp.
September is in the fall / autumn in Springfield and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 14°C (58°F) is normal.
| Daytime temperature | 26.8°C 80.2°F |
|---|---|
| Nightly temperature | 14.3°C 57.7°F |
| Average temperature | 20.5°C 68.9°F |
| Daily sunshine | 8.5 hrs |
| Avg rainfall | 114 mm 4.5 ins |
| Rainy days | 9 days |
| Sea temperature | 21.7°C 71°F |
| Humidity | 73% |
| Windspeed | 14.4kph 9 mph |
On average September is the 3rd wettest month of the year in Springfield with around 114mm 4.5 inches of rain making it a damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.5 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 Springfield in September 2025.
Best places to visit in September
| Hottest month: | July | 31.7°C 89.1°F |
|---|---|---|
| Driest month: | January | 46mm 1.8ins |
| Sunniest month: | July | 11.1hrs |
| Coldest month: | January | 5.2°C 41.4°F |
| Wettest month: | June | 124mm 4.9ins |