Average temperature in September is 21.4 °C
Average daytime temperature is 28 °C
Average night temperature is 15.9 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: 12 °C
Number of sunny days: 16
Number of rainy days: 14
Number of snow days:
Precipitation sum: 65 mm
* Weather data for Springfield United States is based on climate observations for 2023 year
| September (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 31.3 | 31.8 | 32.9 | 33.5 | 31.3 | 31.3 | 27.8 | 27.6 | 28.4 | 27.8 | 29.2 | 24.3 | 25.8 | 26.4 | 26.3 | 28.2 | 23 | 23.9 | 25.4 | 28.3 | 27.9 | 28.5 | 26.5 | 27.5 | 27.8 | 29 | 27.5 | 26.6 | 27.1 | 27.7 |
| Apparent max temperature | 34 | 34.3 | 34.5 | 35.8 | 33.6 | 33.4 | 29.8 | 29.6 | 30.9 | 29.8 | 31.7 | 25.7 | 25.7 | 25.9 | 26.6 | 29.4 | 23.5 | 23.9 | 26 | 28.2 | 28.1 | 29 | 25.8 | 28.2 | 29.4 | 31.1 | 29.5 | 26.5 | 29.3 | 29 |
| Mean temperature | 21.6 | 25.4 | 25.5 | 25.7 | 25.9 | 25.5 | 23.3 | 21.5 | 21.4 | 21.7 | 22.2 | 20.7 | 20.1 | 18.7 | 19.2 | 19.7 | 18.9 | 17.3 | 18.5 | 19.9 | 21.2 | 21.4 | 20.1 | 19.7 | 20.5 | 21.3 | 21.7 | 20.6 | 20.2 | 21.2 |
| Apparent mean temperature | 14.2 | 22 | 19.9 | 19.8 | 23.6 | 22.4 | 20 | 19 | 17.9 | 17 | 17.7 | 18.9 | 17 | 9.9 | 11.3 | 11.2 | 15.2 | 11.7 | 11.1 | 12.1 | 14.8 | 14.5 | 12.4 | 12.9 | 16 | 14.5 | 17.1 | 17.3 | 16.8 | 15.8 |
| Minimum temperature | 14.8 | 20.1 | 18.7 | 18.8 | 21.9 | 20.3 | 18.3 | 17.4 | 17.1 | 16.6 | 16.2 | 18 | 16.1 | 12 | 12.8 | 12.9 | 14.4 | 12.3 | 12.8 | 13.4 | 15.3 | 15 | 13.4 | 13.5 | 15.1 | 14.6 | 16.8 | 16.5 | 15.7 | 15.2 |
| Apparent min temperature | 22.4 | 27.2 | 27.3 | 27.2 | 28.2 | 27.9 | 25.2 | 23.1 | 22.7 | 22.8 | 23.9 | 22.1 | 20.5 | 17.3 | 17.9 | 18.8 | 19.7 | 17.3 | 18 | 19.2 | 21 | 21.5 | 19.1 | 18.9 | 21.3 | 21.8 | 22.2 | 21.1 | 22 | 22.2 |
| September | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 13 | 13 | 12.9 | 12.9 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12 | 12 | 11.9 | 11.9 | 11.8 |
| Sunshine duration (h) | 12 | 11.9 | 11.9 | 10.8 | 8.4 | 11.2 | 11.6 | 6.9 | 10.5 | 11.2 | 11.4 | 4.1 | 10 | 11.5 | 11.5 | 8.9 | 10 | 11.1 | 11.1 | 11.1 | 10.9 | 11 | 11 | 10.8 | 9.4 | 11 | 11 | 11 | 10.2 | 11 |
| Precipitation (mm) | 0 | 0.1 | 0 | 0 | 1.4 | 0.2 | 1.1 | 1 | 4.8 | 0.8 | 0.1 | 2.2 | 0 | 0 | 0 | 0 | 25.9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.9 | 0 | 0.7 | 23.1 | 2.8 | 0 |
| Precipitation hours | 0 | 1 | 0 | 0 | 5 | 2 | 5 | 5 | 4 | 5 | 1 | 5 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 3 | 12 | 4 | 0 |
| Wind speed (m/s) | 10.9 | 11.5 | 9.3 | 10.2 | 13.5 | 16.3 | 13.3 | 10.2 | 12.2 | 10.9 | 9.2 | 14.2 | 11.7 | 11.5 | 12.5 | 11.1 | 11.3 | 10.3 | 10.4 | 11 | 10.8 | 10.9 | 12.2 | 12 | 10.8 | 12.6 | 15.1 | 19.7 | 8.4 | 10.8 |
In September 2023, the highest daytime temperature in Springfield was 33.5°C.
While the minimum temperature at night dropped to 12°C.
The average nighttime and daytime temperatures during September in Springfield are 15.9°C and 28°C respectively.
The precipitation sum in September is about 65 mm.