Average temperature in September is 25.7 °C
Average daytime temperature is 29.9 °C
Average night temperature is 22.5 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: 17.8 °C
Number of sunny days: 8
Number of rainy days: 22
Number of snow days:
Precipitation sum: 149 mm
* Weather data for Ōbu Japan 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 | 30.9 | 32.5 | 32.6 | 32.4 | 31.8 | 28 | 29.1 | 27.6 | 31.1 | 30.6 | 27 | 28.1 | 29.8 | 30.1 | 31.7 | 31.8 | 30.5 | 30.5 | 30.7 | 30.6 | 28.8 | 29.3 | 28.7 | 27.2 | 27.6 | 28 | 29.8 | 31.6 | 29.7 | 29.4 |
| Apparent max temperature | 34.9 | 37.8 | 38.9 | 38.9 | 36.5 | 33.6 | 33.3 | 32.1 | 36.2 | 35.5 | 31.8 | 33.5 | 34.9 | 35.4 | 38.2 | 38.8 | 34.4 | 35.8 | 36.1 | 35 | 32.3 | 33.6 | 29.7 | 30.4 | 30.1 | 31 | 34.2 | 34.4 | 31 | 32.7 |
| Mean temperature | 27 | 27.7 | 28.8 | 28 | 27.6 | 24.9 | 25.5 | 25 | 26.4 | 25.5 | 24.2 | 24.9 | 25.6 | 26.7 | 27.7 | 27.7 | 27 | 26.1 | 26.3 | 26.7 | 25.7 | 24.9 | 22.9 | 22.1 | 22.6 | 23.9 | 25.9 | 25.9 | 23.7 | 25.2 |
| Apparent mean temperature | 28.5 | 28.9 | 31.8 | 29.2 | 27.4 | 24.8 | 25.2 | 26.4 | 26.7 | 25.9 | 26.3 | 26.3 | 26.4 | 28.6 | 29.1 | 28.8 | 28.3 | 28.1 | 26.8 | 27.4 | 28.3 | 22.5 | 19.3 | 19.9 | 20 | 23.1 | 27.4 | 22.2 | 20.8 | 23.4 |
| Minimum temperature | 23.6 | 24.4 | 25.9 | 24.7 | 23.5 | 22.1 | 22.8 | 22.7 | 23.2 | 23 | 22.6 | 22.1 | 22.2 | 24 | 24.3 | 24.3 | 24 | 23 | 23.2 | 24.7 | 23.5 | 20.5 | 19.5 | 17.8 | 18.2 | 20.7 | 22.5 | 21.3 | 18.8 | 21.5 |
| Apparent min temperature | 31.1 | 32.5 | 34.2 | 32.5 | 32.1 | 29.4 | 29.1 | 29.2 | 30.5 | 29.4 | 28 | 29.4 | 29.7 | 31.7 | 33.2 | 32.9 | 31 | 31.1 | 30.9 | 30.9 | 30.3 | 28.1 | 23.2 | 24.3 | 24.3 | 26.5 | 30.3 | 27.7 | 25.3 | 28.1 |
| 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) | 12.9 | 12.9 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12 | 12 | 11.9 | 11.9 | 11.9 |
| Sunshine duration (h) | 11.9 | 11.1 | 9.9 | 9 | 9.4 | 3 | 8 | 3.4 | 11.7 | 7.9 | 2.2 | 10.5 | 11.3 | 10.9 | 11 | 11.4 | 11.4 | 11.2 | 9.5 | 8.9 | 7.5 | 9.3 | 8.1 | 9.8 | 11 | 10.9 | 10.4 | 10.8 | 10.9 | 9 |
| Precipitation (mm) | 0.7 | 0.2 | 0.1 | 2.9 | 10.3 | 3.7 | 21.4 | 11.6 | 0 | 19.5 | 19.4 | 2.7 | 0 | 1.6 | 12.1 | 0.1 | 2.3 | 1.8 | 2.9 | 0.8 | 32.5 | 0.8 | 0 | 0 | 0 | 0 | 0 | 0.7 | 0 | 0.9 |
| Precipitation hours | 6 | 2 | 1 | 9 | 9 | 7 | 11 | 8 | 0 | 16 | 17 | 7 | 0 | 6 | 11 | 1 | 10 | 8 | 10 | 5 | 19 | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 |
| Wind speed (m/s) | 17.8 | 12.5 | 8.5 | 16.1 | 18.8 | 13.8 | 16.3 | 10.7 | 15.1 | 18.5 | 20.1 | 10.1 | 13.9 | 11.9 | 11.9 | 18.5 | 20.4 | 13 | 16.7 | 21.8 | 28 | 15 | 21.4 | 11.9 | 10.3 | 7.4 | 10.3 | 22.2 | 19.2 | 18.3 |
In September 2023, the highest daytime temperature in Ōbu was 32.6°C.
While the minimum temperature at night dropped to 17.8°C.
The average nighttime and daytime temperatures during September in Ōbu are 22.5°C and 29.9°C respectively.
The precipitation sum in September is about 149 mm.