Average temperature in September is 26.1 °C
Average daytime temperature is 29.4 °C
Average night temperature is 23.4 °C
Absolute maximum temperature: 33.1 °C
Absolute minimum temperature: 21 °C
Number of sunny days: 8
Number of rainy days: 22
Number of snow days:
Precipitation sum: 67 mm
* Weather data for Saiki 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 | 30.3 | 29.8 | 30 | 32.1 | 29.2 | 30.6 | 29.2 | 28.6 | 28.7 | 28 | 28.7 | 28.5 | 28.4 | 28.7 | 31.4 | 31.5 | 31.5 | 29.6 | 31.4 | 29.5 | 33.1 | 27.8 | 27.1 | 27.3 | 26.2 | 28.6 | 30.8 | 29.8 | 28.1 | 28.8 |
| Apparent max temperature | 34.1 | 34.4 | 36.3 | 36.6 | 34.7 | 33.6 | 30.3 | 31.9 | 32.7 | 33.2 | 34.6 | 33.5 | 33 | 33.7 | 36.9 | 37.2 | 35.2 | 34.3 | 36.5 | 35.4 | 38.3 | 31.3 | 29.3 | 29.5 | 29.9 | 32.3 | 36.4 | 34.4 | 31.1 | 33.6 |
| Mean temperature | 27 | 26.5 | 26.9 | 28.6 | 26.3 | 27 | 26.5 | 25.8 | 25.7 | 24.4 | 25.4 | 25.6 | 26.6 | 26.8 | 27.5 | 27.9 | 27.2 | 26.4 | 27.2 | 27.1 | 27.4 | 24.3 | 24.4 | 24.1 | 24.4 | 25.7 | 25.8 | 25.1 | 24.4 | 25.1 |
| Apparent mean temperature | 29.9 | 29 | 27.7 | 28.8 | 27.7 | 24.5 | 25.6 | 25.4 | 27.5 | 26 | 28.1 | 27.9 | 29.4 | 30 | 29.3 | 31 | 29.2 | 27.6 | 28.7 | 28.7 | 26.4 | 24.4 | 21.2 | 24.3 | 27.1 | 26.5 | 26.4 | 24.1 | 23.6 | 23.4 |
| Minimum temperature | 24.7 | 23.9 | 23.9 | 25.4 | 24.1 | 24 | 23.8 | 22.7 | 23.1 | 21.7 | 23.4 | 23.2 | 24.8 | 24.9 | 23.8 | 25.7 | 23.8 | 23.3 | 23.7 | 25.2 | 23.1 | 22 | 21.5 | 21.7 | 23.5 | 23.3 | 22 | 21.9 | 21 | 21.7 |
| Apparent min temperature | 31.5 | 31.7 | 31.9 | 32 | 30.7 | 29 | 28 | 28.7 | 30 | 29 | 30 | 30.3 | 30.6 | 31.8 | 32.7 | 33.2 | 31.6 | 31.2 | 32.4 | 31.2 | 32.2 | 27.8 | 25.2 | 26.6 | 28.2 | 29 | 30.2 | 28.8 | 27.5 | 29.4 |
| 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 | 12.8 | 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 | 12.4 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12 | 12 | 12 | 11.9 | 11.9 |
| Sunshine duration (h) | 3 | 8.2 | 11.8 | 10.7 | 11.2 | 10.7 | 11.5 | 11.5 | 11.2 | 6.8 | 11 | 9.1 | 8.8 | 1.8 | 11.1 | 11 | 11.4 | 10.6 | 10.9 | 10.1 | 9.6 | 6.6 | 9.4 | 9.7 | 5.5 | 11.1 | 10.9 | 10.7 | 11.1 | 9.5 |
| Precipitation (mm) | 0 | 0.4 | 0.3 | 0.4 | 1.7 | 0 | 0.1 | 0 | 0 | 6.8 | 3.2 | 2.8 | 2.1 | 0.4 | 0.2 | 0.2 | 4.2 | 2.4 | 0.4 | 2.6 | 4.3 | 15 | 0 | 2.9 | 11.4 | 0 | 0.1 | 0 | 0 | 4.9 |
| Precipitation hours | 0 | 4 | 2 | 3 | 11 | 0 | 1 | 0 | 0 | 16 | 12 | 9 | 8 | 4 | 1 | 2 | 4 | 9 | 3 | 8 | 8 | 9 | 0 | 6 | 21 | 0 | 1 | 0 | 0 | 8 |
| Wind speed (m/s) | 18.5 | 14.5 | 13.3 | 20.4 | 16.6 | 23.5 | 25.3 | 17.2 | 12.1 | 11.5 | 11 | 9.9 | 17.1 | 13.7 | 17.7 | 17.1 | 19.1 | 15.2 | 11.2 | 21.7 | 13.1 | 15.6 | 19.5 | 14.2 | 18 | 12.2 | 10.7 | 12.5 | 14.5 | 17.3 |
In September 2023, the highest daytime temperature in Saiki was 33.1°C.
While the minimum temperature at night dropped to 21°C.
The average nighttime and daytime temperatures during September in Saiki are 23.4°C and 29.4°C respectively.
The precipitation sum in September is about 67 mm.