Average temperature in September is 17.4 °C
Average daytime temperature is 23.1 °C
Average night temperature is 12.9 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: 6.3 °C
Number of sunny days: 12
Number of rainy days: 18
Number of snow days:
Precipitation sum: 81 mm
* Weather data for Elmira 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 | 23.4 | 27.3 | 31 | 32.2 | 31.5 | 30.9 | 31.7 | 28.4 | 23.3 | 24.4 | 24.1 | 26.7 | 22.4 | 18.8 | 20.1 | 21.5 | 18 | 21.1 | 20.4 | 21.9 | 21.2 | 22.2 | 15.1 | 16 | 18.4 | 17.5 | 18.9 | 20.2 | 21.7 | 23.4 |
| Apparent max temperature | 25.6 | 28.6 | 33.5 | 35.4 | 35.2 | 34.9 | 33.6 | 31.6 | 25.5 | 27.3 | 25.5 | 28.1 | 23.1 | 16.9 | 19.2 | 21 | 17.5 | 20.1 | 17.4 | 21.3 | 21 | 20.8 | 13.2 | 16.2 | 18 | 15.9 | 17.4 | 18.3 | 22 | 23.6 |
| Mean temperature | 16 | 18.9 | 23.4 | 25 | 24.6 | 24.6 | 24.8 | 22.6 | 20 | 19.9 | 20.1 | 19.1 | 19 | 14.8 | 14.1 | 14.7 | 13.6 | 16.3 | 15.2 | 15 | 13.3 | 14 | 12.2 | 13.4 | 14.8 | 14.3 | 12.7 | 13.4 | 16.8 | 16.3 |
| Apparent mean temperature | 8.7 | 11.8 | 19.3 | 22.1 | 20.3 | 21 | 21.5 | 20.6 | 18.6 | 20.7 | 19.2 | 15.1 | 17.6 | 9.2 | 7.9 | 7.3 | 7.6 | 12.2 | 10.3 | 8 | 5.2 | 5.8 | 9.1 | 10 | 12.8 | 10.2 | 5.3 | 6.5 | 12.2 | 10.5 |
| Minimum temperature | 9.4 | 12.7 | 18 | 19.9 | 18.4 | 18.5 | 19.5 | 18.4 | 17.5 | 18 | 17.7 | 14.2 | 16.8 | 10.3 | 9.6 | 9.1 | 8.6 | 12.2 | 11.4 | 9.5 | 6.3 | 7.1 | 10.3 | 11.6 | 12.8 | 11 | 7 | 8.1 | 12.5 | 10.5 |
| Apparent min temperature | 16.2 | 19.2 | 25.3 | 27.7 | 27.4 | 28.3 | 27.1 | 24.9 | 21.9 | 22.7 | 21.8 | 20.5 | 20 | 13.7 | 12.7 | 13.6 | 13.2 | 16.6 | 13.4 | 13.8 | 12.5 | 13 | 10.9 | 12.7 | 14.6 | 13.1 | 11.4 | 12.1 | 16.7 | 16.3 |
| 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 | 12.7 | 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 | 12 | 11.9 | 11.9 | 11.8 |
| Sunshine duration (h) | 12.1 | 11.1 | 12 | 11.3 | 11.9 | 11.9 | 11.9 | 10.5 | 0.8 | 5.3 | 11.6 | 9.8 | 10.3 | 11.6 | 11.6 | 11.6 | 1.1 | 11.3 | 11.3 | 11.4 | 11.3 | 10.8 | 0 | 0 | 0 | 6.7 | 10.2 | 10.5 | 10 | 9.5 |
| Precipitation (mm) | 0 | 0 | 0.7 | 0.1 | 0 | 0.3 | 5.6 | 2.1 | 6.2 | 28.8 | 2 | 0.6 | 10.1 | 0 | 0 | 0 | 0.3 | 5.4 | 0.1 | 0 | 0 | 0 | 3.6 | 8.6 | 5.5 | 0.4 | 0 | 0.9 | 0 | 0 |
| Precipitation hours | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 4 | 11 | 22 | 13 | 4 | 13 | 0 | 0 | 0 | 2 | 16 | 1 | 0 | 0 | 0 | 5 | 18 | 13 | 3 | 0 | 1 | 0 | 0 |
| Wind speed (m/s) | 11.3 | 11.8 | 10.6 | 14.2 | 10.2 | 7 | 15.2 | 10.3 | 11 | 11.2 | 11.4 | 10.8 | 12 | 14.6 | 13.3 | 13.7 | 9.2 | 14.6 | 18.7 | 12.1 | 9.1 | 12.4 | 11 | 15.1 | 13.7 | 13 | 8.8 | 12.7 | 11.4 | 12 |
In September 2023, the highest daytime temperature in Elmira was 32.2°C.
While the minimum temperature at night dropped to 6.3°C.
The average nighttime and daytime temperatures during September in Elmira are 12.9°C and 23.1°C respectively.
The precipitation sum in September is about 81 mm.