Average temperature in September is 26.5 °C
Average daytime temperature is 29.7 °C
Average night temperature is 24 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: 21.6 °C
Number of sunny days: 5
Number of rainy days: 25
Number of snow days:
Precipitation sum: 63 mm
* Weather data for Imabari-Shi Japan 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 | 29.6 | 29.9 | 31 | 33.7 | 29.8 | 31 | 30.6 | 29.8 | 30.6 | 28.2 | 27 | 29.3 | 29.8 | 27.9 | 30.3 | 30.4 | 30 | 29.2 | 30.3 | 29.2 | 32.9 | 28.8 | 26.6 | 27.5 | 28.6 | 28.1 | 31 | 30.2 | 28.8 | 29.9 |
| Apparent max temperature | 34.5 | 33.5 | 35.2 | 35.9 | 34.7 | 34.4 | 31.4 | 32.7 | 33.5 | 32.4 | 31.7 | 33.7 | 34.5 | 33.6 | 35.8 | 37 | 36.3 | 35.1 | 35.4 | 35.1 | 34.2 | 31.9 | 27.7 | 27.5 | 31.2 | 31.4 | 33.4 | 31.7 | 30.6 | 32.8 |
| Mean temperature | 27 | 27.3 | 28 | 29.4 | 27 | 27.3 | 27.4 | 26.6 | 27.6 | 25.3 | 24.7 | 26.4 | 26.4 | 26.4 | 26.8 | 27.3 | 27 | 26.2 | 26.8 | 27.2 | 26.8 | 24.7 | 24.3 | 25.5 | 25.7 | 25.5 | 27.4 | 26.2 | 25 | 25.9 |
| Apparent mean temperature | 29.9 | 30.3 | 30.3 | 30 | 29.6 | 26.2 | 26.5 | 27.4 | 29.4 | 27.4 | 27.5 | 28.3 | 28.8 | 30.8 | 29.8 | 30 | 27.8 | 28 | 27.5 | 31 | 27 | 26 | 21 | 22.7 | 28.1 | 26.4 | 26.8 | 26.2 | 24.1 | 25.1 |
| Minimum temperature | 24.9 | 25.1 | 25.3 | 25.9 | 24.6 | 24.8 | 24.6 | 23.7 | 25.4 | 23 | 23.4 | 23.6 | 23.9 | 24.8 | 24.3 | 24.4 | 24.1 | 23.2 | 23.3 | 25.7 | 23.7 | 22.4 | 22.5 | 24.3 | 23.6 | 22.8 | 24.5 | 23.1 | 21.6 | 23.1 |
| Apparent min temperature | 32.5 | 31.7 | 32.8 | 32.7 | 32.1 | 29.7 | 28.6 | 29.5 | 31 | 30 | 29.5 | 30.9 | 31.5 | 32.2 | 32.6 | 33.5 | 32.5 | 31.4 | 31.3 | 32.5 | 29.8 | 28.4 | 23.6 | 25.9 | 29.3 | 28.9 | 29.5 | 28.8 | 26.6 | 28.3 |
| 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) | 12.9 | 12.9 | 12.8 | 12.8 | 12.8 | 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) | 1.7 | 3.5 | 11.9 | 10.3 | 10.9 | 11.8 | 11.5 | 10.5 | 9.9 | 4 | 8.4 | 11.5 | 9.4 | 1.6 | 10.5 | 11.6 | 10.8 | 10.7 | 10.7 | 10.4 | 6.3 | 5.5 | 8.7 | 10 | 9.4 | 10.4 | 11.2 | 11 | 11 | 9.4 |
| Precipitation (mm) | 0.5 | 0 | 0 | 2.9 | 1.9 | 1.8 | 0.2 | 0.1 | 0.4 | 9.8 | 10.2 | 0.1 | 3.5 | 0.6 | 2.5 | 0.3 | 2.8 | 6.7 | 1.9 | 0.8 | 9.6 | 4.2 | 0.3 | 0.1 | 0 | 0 | 0.2 | 0.1 | 0 | 2 |
| Precipitation hours | 4 | 0 | 0 | 7 | 9 | 6 | 2 | 1 | 2 | 17 | 10 | 1 | 5 | 5 | 6 | 2 | 10 | 12 | 6 | 6 | 10 | 11 | 3 | 1 | 0 | 0 | 2 | 1 | 0 | 10 |
| Wind speed (m/s) | 5.9 | 10.6 | 14.8 | 20.9 | 11.9 | 22.5 | 25.9 | 15.9 | 10.6 | 14.2 | 13.4 | 12.6 | 10.6 | 6.6 | 11.2 | 10.9 | 16.2 | 12.8 | 14.9 | 13.6 | 27.7 | 13.6 | 27.2 | 26.4 | 11.8 | 9.5 | 20.5 | 23.3 | 15.2 | 19.9 |
In September 2023, the highest daytime temperature in Imabari-Shi was 33.7°C.
While the minimum temperature at night dropped to 21.6°C.
The average nighttime and daytime temperatures during September in Imabari-Shi are 24°C and 29.7°C respectively.
The precipitation sum in September is about 63 mm.