Average temperature in September is 21.2 °C
Average daytime temperature is 27.4 °C
Average night temperature is 16 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: 12 °C
Number of sunny days: 21
Number of rainy days: 9
Number of snow days:
Precipitation sum: 28 mm
* Weather data for Geyve Turkey 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 | 28.9 | 28.3 | 26.5 | 26.4 | 28.5 | 27 | 27.5 | 26.1 | 26.2 | 26 | 24.1 | 25.5 | 28 | 29.2 | 29.2 | 27.2 | 26.5 | 24.6 | 27.1 | 26 | 27.4 | 30.9 | 32.2 | 30.8 | 28.7 | 28.6 | 28.7 | 28.2 | 24.8 | 24.1 |
| Apparent max temperature | 31.7 | 30 | 27.7 | 28.7 | 31.2 | 28.9 | 28.4 | 26.3 | 26.9 | 26.1 | 23.8 | 25.1 | 28.2 | 28.6 | 29.3 | 28 | 26.8 | 24.4 | 27.7 | 26.8 | 27.9 | 30.4 | 33.3 | 31.2 | 31.4 | 29.7 | 31.3 | 29.8 | 26.5 | 26 |
| Mean temperature | 24.6 | 24.2 | 22.3 | 22.2 | 23.6 | 23.8 | 23.3 | 21.9 | 20.6 | 19.9 | 19.4 | 18.7 | 19.5 | 20.1 | 20.7 | 20.2 | 21 | 19.2 | 18.8 | 18.8 | 19.5 | 21.8 | 23.4 | 22.5 | 22.1 | 21.6 | 21.9 | 22 | 20.6 | 19.1 |
| Apparent mean temperature | 22.5 | 24.7 | 22 | 20.6 | 20.3 | 24.6 | 23.1 | 19.1 | 15.7 | 13.8 | 14.6 | 13.4 | 12 | 12.9 | 12.3 | 13.1 | 18.8 | 14.4 | 12.7 | 11.8 | 13.7 | 14.8 | 14.6 | 15.1 | 17.8 | 18.1 | 18.2 | 19.8 | 19.1 | 17.8 |
| Minimum temperature | 21 | 21.2 | 19.5 | 18.5 | 18.3 | 21.6 | 20.4 | 17.7 | 15.4 | 13.8 | 14.2 | 13.2 | 12.2 | 13.1 | 12.6 | 13.1 | 17.3 | 13.8 | 12.3 | 12 | 13 | 14.2 | 15.8 | 15.3 | 16.3 | 16.4 | 16.4 | 17.9 | 17 | 16.1 |
| Apparent min temperature | 27.4 | 26.4 | 24.6 | 24.4 | 26.5 | 26.6 | 25.4 | 23.1 | 21.2 | 20.1 | 19.7 | 18.8 | 19.7 | 20 | 21.1 | 21.1 | 22.3 | 19.6 | 19.4 | 19.6 | 20.4 | 22.1 | 23.1 | 23.1 | 24.3 | 23.5 | 24.3 | 24.3 | 22.7 | 21.1 |
| 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) | 13.1 | 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 | 12.4 | 12.3 | 12.3 | 12.2 | 12.2 | 12.1 | 12.1 | 12 | 12 | 12 | 11.9 | 11.9 | 11.8 |
| Sunshine duration (h) | 11.8 | 11.3 | 9.5 | 10.2 | 8.6 | 6.7 | 8.5 | 11 | 11.9 | 11.8 | 11.4 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 10.6 | 11 | 11.4 | 11.2 | 11.3 | 11.3 | 11.2 | 11.1 | 10.7 | 10.5 | 10.3 | 8.9 | 9.7 | 6 |
| Precipitation (mm) | 1.2 | 0.2 | 5 | 1.8 | 0 | 0.3 | 0 | 1.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10.4 | 2.5 | 5.7 |
| Precipitation hours | 4 | 2 | 16 | 10 | 0 | 3 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 5 | 10 |
| Wind speed (m/s) | 15 | 21.5 | 19.5 | 11.9 | 10.1 | 15.7 | 19 | 18.3 | 16.5 | 20.3 | 18.3 | 16.8 | 11.4 | 11 | 10 | 11 | 18.8 | 16.5 | 10.8 | 10.2 | 10 | 8.6 | 10.8 | 11.2 | 13.5 | 14.2 | 10.1 | 7.9 | 7.4 | 7.6 |
In September 2023, the highest daytime temperature in Geyve was 32.2°C.
While the minimum temperature at night dropped to 12°C.
The average nighttime and daytime temperatures during September in Geyve are 16°C and 27.4°C respectively.
The precipitation sum in September is about 28 mm.