Average temperature in September is 18.7 °C
Average daytime temperature is 23.1 °C
Average night temperature is 14.7 °C
Absolute maximum temperature: 32.1 °C
Absolute minimum temperature: 8.5 °C
Number of sunny days: 16
Number of rainy days: 14
Number of snow days:
Precipitation sum: 48 mm
* Weather data for Grosse Pointe Shores 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 | 23.8 | 28.9 | 31.7 | 32.1 | 30.7 | 28.1 | 26.4 | 21.1 | 20.8 | 21.8 | 23.6 | 21.9 | 19 | 19.2 | 20.4 | 21.4 | 21.2 | 19.9 | 21.2 | 24.1 | 26.1 | 23.5 | 21.3 | 22.8 | 20.4 | 19.8 | 19.1 | 19.9 | 21.4 | 22.1 |
| Apparent max temperature | 23.9 | 29 | 31.8 | 33.3 | 32.9 | 29.7 | 29.1 | 21.4 | 20.3 | 22 | 23.9 | 21.7 | 17.2 | 18.8 | 20.5 | 21.3 | 21.8 | 17.5 | 19.2 | 23.3 | 27.1 | 23.3 | 19.2 | 22.7 | 20.2 | 19.5 | 17.4 | 19 | 22.4 | 23 |
| Mean temperature | 18.2 | 20.6 | 24.5 | 26.9 | 26.2 | 25 | 21.9 | 18.2 | 17.5 | 18 | 18.4 | 19.3 | 15.1 | 14 | 16.2 | 15.2 | 16.9 | 15.6 | 14.9 | 17.9 | 19.6 | 19.6 | 17.9 | 17.3 | 18.5 | 18 | 16.9 | 16.7 | 17.9 | 17.8 |
| Apparent mean temperature | 11.6 | 14.1 | 19.1 | 23.6 | 23.4 | 24.3 | 20 | 15 | 14.2 | 14.7 | 13 | 16.6 | 8.8 | 7.2 | 10.5 | 7.9 | 12.7 | 10.5 | 7.2 | 11.3 | 13.7 | 16.7 | 14.2 | 11 | 15.1 | 14.7 | 13.7 | 12.8 | 15.8 | 13.6 |
| Minimum temperature | 12.8 | 14.5 | 19 | 22.2 | 21.3 | 22.2 | 18.7 | 15.9 | 15 | 14.6 | 13.1 | 16.9 | 10.5 | 8.9 | 11.6 | 8.9 | 13.1 | 11.7 | 8.5 | 12.2 | 14.1 | 16.1 | 14.7 | 12.8 | 16.2 | 16.8 | 15.3 | 14.8 | 15.9 | 13.8 |
| Apparent min temperature | 17.8 | 20.3 | 24.6 | 27.9 | 28.5 | 27.2 | 23.8 | 17.6 | 16.9 | 18.1 | 18.7 | 19.3 | 13.6 | 13 | 15.6 | 14.7 | 16.9 | 14.6 | 13.6 | 17.3 | 19.7 | 20.1 | 16.8 | 15.9 | 17.5 | 17.3 | 15 | 15.4 | 18.2 | 18.6 |
| 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) | 13.2 | 13.1 | 13.1 | 13 | 13 | 12.9 | 12.9 | 12.8 | 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 | 9.8 | 11.6 | 11.9 | 12.1 | 8.5 | 10 | 2.7 | 2.7 | 10 | 11.4 | 8.2 | 11.4 | 11.4 | 11.3 | 8.4 | 8.1 | 11.1 | 7.1 | 11 | 11.1 | 11 | 11.1 | 10.2 | 0.3 | 5.1 | 2 | 4.1 | 7.3 | 10.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0.3 | 5.8 | 3.9 | 0 | 0 | 0.7 | 0.2 | 10 | 0 | 0.2 | 0 | 0 | 5.8 | 0.9 | 0 | 0 | 0 | 0 | 0 | 0 | 2.7 | 1.3 | 2.1 | 13 | 1 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 2 | 4 | 9 | 0 | 0 | 6 | 2 | 8 | 0 | 2 | 0 | 0 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 6 | 5 | 13 | 6 | 0 |
| Wind speed (m/s) | 13 | 22.9 | 24.5 | 23.5 | 18.3 | 29.5 | 19.1 | 18.2 | 15 | 10 | 15.2 | 16.2 | 17.7 | 8.4 | 11 | 9.7 | 15.4 | 16.6 | 16 | 14.7 | 12.4 | 17 | 19.9 | 18.4 | 20.2 | 25.6 | 23.1 | 24.5 | 15.8 | 11 |
In September 2023, the highest daytime temperature in Grosse Pointe Shores was 32.1°C.
While the minimum temperature at night dropped to 8.5°C.
The average nighttime and daytime temperatures during September in Grosse Pointe Shores are 14.7°C and 23.1°C respectively.
The precipitation sum in September is about 48 mm.