Average temperature in September is 20 °C
Average daytime temperature is 25.5 °C
Average night temperature is 15.4 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 9.2 °C
Number of sunny days: 12
Number of rainy days: 18
Number of snow days:
Precipitation sum: 140 mm
* Weather data for Streator 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 | 28.3 | 31.2 | 33.6 | 33.5 | 31.6 | 27.2 | 24.7 | 21.9 | 24.9 | 27.5 | 26 | 22.4 | 22.2 | 22.6 | 24.7 | 21.8 | 20.7 | 22.1 | 25.6 | 26.8 | 23.2 | 24.9 | 26.8 | 25.1 | 24.8 | 24.6 | 22.2 | 22.7 | 24.6 | 27.9 |
| Apparent max temperature | 29 | 30.6 | 32.9 | 35.6 | 31.9 | 28 | 24.3 | 21.4 | 24.9 | 28.7 | 26.5 | 21 | 20.7 | 22.6 | 24.5 | 21.3 | 18.8 | 21.2 | 22.3 | 26 | 23.2 | 25.7 | 26.4 | 24.4 | 26.3 | 25.6 | 22.7 | 23.3 | 25.6 | 29.2 |
| Mean temperature | 20.3 | 23.2 | 26.2 | 27.4 | 27.1 | 24.1 | 21.5 | 19.2 | 18.9 | 19.4 | 20 | 17.4 | 16.6 | 15.9 | 16.9 | 17.6 | 16.7 | 15.7 | 17.6 | 21.5 | 19.8 | 19.7 | 21.5 | 20.1 | 20.5 | 20.4 | 18.4 | 18.1 | 17.9 | 21.1 |
| Apparent mean temperature | 12.1 | 16.1 | 19.8 | 24.1 | 25 | 21.6 | 18.4 | 15 | 13.1 | 11.9 | 18.1 | 12 | 10.5 | 7.7 | 7.9 | 12 | 14.2 | 8.5 | 11.5 | 15.2 | 17.9 | 17.2 | 15.6 | 11.5 | 16.4 | 16 | 15.8 | 15.2 | 13.1 | 16.1 |
| Minimum temperature | 13.2 | 16.1 | 20.7 | 21.5 | 23.5 | 22.4 | 19 | 15.4 | 13.5 | 12.7 | 18.1 | 12.8 | 11 | 9.3 | 9.7 | 13.3 | 14.2 | 9.2 | 13.1 | 16.3 | 17.7 | 17 | 16.7 | 15 | 16.4 | 16.9 | 15.1 | 14.8 | 12.9 | 15.9 |
| Apparent min temperature | 19.8 | 23.1 | 26.3 | 29.5 | 28.5 | 24.1 | 21 | 18.6 | 18.8 | 19.1 | 21.1 | 16.7 | 15.7 | 15 | 15.9 | 16.6 | 16.5 | 15.4 | 16 | 20 | 19.9 | 20.2 | 21 | 17.9 | 20.5 | 20.9 | 18.8 | 18.6 | 18.4 | 21.6 |
| 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) | 13.1 | 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 | 12.5 | 12.4 | 12.4 | 12.3 | 12.3 | 12.2 | 12.2 | 12.1 | 12.1 | 12 | 12 | 12 | 11.9 | 11.9 | 11.8 |
| Sunshine duration (h) | 12 | 12 | 12 | 12 | 10.6 | 8.2 | 5 | 4.9 | 11 | 11.8 | 0.8 | 11 | 11.7 | 11.7 | 11.6 | 4.1 | 6.6 | 8.2 | 6.4 | 11.3 | 2.6 | 5 | 11 | 7.9 | 10.2 | 10.9 | 7.5 | 8 | 9.8 | 10.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0.6 | 0.8 | 1.9 | 0 | 0.1 | 0.2 | 0 | 20.2 | 0.9 | 1.7 | 0 | 0 | 0.7 | 18.5 | 0.2 | 3.2 | 0 | 16.1 | 58.4 | 0 | 0 | 1.1 | 4.8 | 9.9 | 0.6 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 1 | 2 | 0 | 15 | 3 | 3 | 0 | 0 | 4 | 20 | 2 | 4 | 0 | 15 | 17 | 0 | 0 | 3 | 7 | 12 | 5 | 0 | 0 |
| Wind speed (m/s) | 14.2 | 19.4 | 22.4 | 18.5 | 27.2 | 30.5 | 19.6 | 15 | 11 | 8.1 | 19.8 | 15.7 | 13 | 10.4 | 9.8 | 13 | 20.6 | 9.3 | 25.9 | 21.3 | 17.5 | 19.5 | 15.6 | 20.3 | 14.5 | 17.2 | 16.2 | 11.3 | 11.5 | 14.7 |
In September 2023, the highest daytime temperature in Streator was 33.6°C.
While the minimum temperature at night dropped to 9.2°C.
The average nighttime and daytime temperatures during September in Streator are 15.4°C and 25.5°C respectively.
The precipitation sum in September is about 140 mm.