Average temperature in September is 18.2 °C
Average daytime temperature is 23.3 °C
Average night temperature is 13.9 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: 8 °C
Number of sunny days: 13
Number of rainy days: 17
Number of snow days:
Precipitation sum: 57 mm
* Weather data for East Lansing United States is based on climate observations for 2023 year
| Settembre (°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 | 25.7 | 28.1 | 31.6 | 31.6 | 32.2 | 28.2 | 23.6 | 20 | 20.4 | 22.9 | 21.9 | 21.2 | 18 | 20 | 21.9 | 22.4 | 19.7 | 18.7 | 20.5 | 26.1 | 27.5 | 26.1 | 22.9 | 24 | 19.3 | 21.1 | 18.8 | 18.8 | 21.1 | 24.4 |
| Apparent max temperature | 26.4 | 28.4 | 31.9 | 33.5 | 34.7 | 30.5 | 24.6 | 21 | 20.2 | 23.5 | 21.3 | 19.4 | 16.6 | 19.4 | 21.1 | 21.7 | 19.7 | 16.7 | 19.4 | 25 | 28.6 | 26.6 | 21.5 | 23.3 | 19.5 | 21.7 | 17.7 | 18.6 | 22 | 25.3 |
| Mean temperature | 18 | 21.2 | 24.8 | 26.3 | 26.3 | 24.1 | 20.7 | 17.1 | 16.5 | 16.8 | 16.6 | 17.3 | 13.7 | 14.2 | 15.6 | 16.1 | 16.6 | 14.4 | 14.5 | 18.2 | 20 | 20.7 | 18.2 | 16.8 | 17.3 | 17.5 | 16.4 | 15.8 | 16.5 | 17.8 |
| Apparent mean temperature | 10.2 | 15 | 19.3 | 23.2 | 24.2 | 24 | 19.3 | 13.9 | 12.9 | 10.6 | 12.5 | 14.3 | 7.4 | 6.6 | 8.3 | 8.4 | 14.5 | 7.8 | 7.3 | 12.9 | 14.1 | 16.2 | 11.3 | 9.1 | 14.3 | 15.2 | 13.4 | 13.2 | 13.3 | 12.1 |
| Minimum temperature | 11.7 | 15.8 | 19.7 | 21.4 | 21.9 | 22.7 | 18 | 14.5 | 13.2 | 11.2 | 12.7 | 14.5 | 8.8 | 8 | 10 | 10.4 | 13.9 | 9.5 | 8.6 | 13.4 | 14.8 | 16.5 | 12.2 | 10.5 | 15 | 15.2 | 14.3 | 13.9 | 13.5 | 12.3 |
| Apparent min temperature | 17.5 | 20.9 | 24.9 | 27.8 | 28.8 | 26.4 | 22.2 | 16.9 | 16.2 | 16.9 | 16.7 | 16.8 | 12.4 | 13.5 | 14.4 | 14.8 | 17 | 12.9 | 13.7 | 17.5 | 20 | 21 | 17 | 15.7 | 16.9 | 17.8 | 15.3 | 15.4 | 17 | 18.2 |
| Settembre | 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) | 13.2 | 13.1 | 13.1 | 13 | 13 | 12.9 | 12.9 | 12.9 | 12.8 | 12.8 | 12.7 | 12.7 | 12.6 | 12.6 | 12.5 | 12.5 | 12.4 | 12.4 | 12.3 | 12.3 | 12.2 | 12.2 | 12.1 | 12.1 | 12 | 12 | 11.9 | 11.9 | 11.9 | 11.8 |
| Sunshine duration (h) | 12.3 | 9.3 | 11.7 | 12.1 | 12 | 3.8 | 8.5 | 1.3 | 8 | 11.4 | 1.9 | 8.4 | 11.3 | 10.7 | 11.3 | 6.8 | 7.8 | 7.6 | 8.3 | 11 | 9 | 10.4 | 11 | 11 | 3.1 | 2.9 | 0 | 1.8 | 4.2 | 10.9 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0.6 | 4.8 | 6.1 | 1.3 | 0 | 0 | 3.2 | 5.5 | 0.6 | 0 | 0 | 0 | 7.3 | 0.4 | 0 | 0.5 | 0.2 | 0.7 | 0 | 0 | 1.9 | 3 | 8.4 | 11.9 | 0.3 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 1 | 12 | 17 | 11 | 0 | 0 | 6 | 15 | 4 | 0 | 0 | 0 | 13 | 4 | 0 | 1 | 1 | 3 | 0 | 0 | 5 | 6 | 8 | 16 | 3 | 0 |
| Wind speed (m/s) | 10.6 | 16.4 | 19.9 | 17.6 | 15.8 | 19.6 | 15.8 | 13.1 | 8.8 | 8.6 | 12.8 | 17.4 | 12.3 | 6.4 | 9.4 | 9.8 | 8.9 | 14.2 | 10.4 | 14.7 | 9.4 | 15.1 | 16 | 14.9 | 17.6 | 18.3 | 18.4 | 13.1 | 8.9 | 8.8 |
In September 2023, the highest daytime temperature in East Lansing was 32.2°C.
While the minimum temperature at night dropped to 8°C.
The average nighttime and daytime temperatures during September in East Lansing are 13.9°C and 23.3°C respectively.
The precipitation sum in September is about 57 mm.