Average temperature in September is 27.7 °C
Average daytime temperature is 30.4 °C
Average night temperature is 25.7 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: 23.9 °C
Number of sunny days:
Number of rainy days: 30
Number of snow days:
Precipitation sum: 446 mm
* Weather data for Si Racha Thailand 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 | 31.8 | 31.8 | 31.3 | 31.1 | 30.5 | 30.8 | 29.4 | 31.5 | 29.7 | 30.1 | 28.9 | 30.5 | 29.6 | 29.3 | 30.6 | 29.3 | 31 | 31.5 | 31.2 | 31.7 | 30.8 | 30.7 | 31 | 31.8 | 29.5 | 28.2 | 28.6 | 30 | 30 |
| Apparent max temperature | 37.2 | 38.7 | 38.4 | 37.8 | 35.7 | 36 | 35.6 | 34.8 | 38.1 | 33.4 | 33.6 | 32.9 | 34.9 | 34.3 | 33.4 | 36.7 | 33.1 | 36.6 | 38.9 | 38.6 | 39.8 | 38.8 | 38.2 | 38.6 | 40 | 36.4 | 33.5 | 32.8 | 34.5 | 35.7 |
| Mean temperature | 28.1 | 29.2 | 29 | 29.4 | 28.6 | 28.2 | 27.9 | 27.5 | 27.9 | 27.4 | 27.4 | 27.2 | 27.7 | 27.1 | 27 | 27.6 | 27.1 | 27.5 | 28.5 | 28.1 | 27.4 | 27.4 | 27.4 | 27.7 | 28.2 | 26.8 | 26 | 25.6 | 27.4 | 27.5 |
| Apparent mean temperature | 31.9 | 32.7 | 32.1 | 31.9 | 30 | 32.6 | 31.7 | 31.3 | 30.8 | 30.3 | 29.7 | 30 | 31.1 | 30.5 | 30.5 | 30.2 | 30.4 | 31 | 32.4 | 31.6 | 30.4 | 30.7 | 31.5 | 31.5 | 31.5 | 30.3 | 28.7 | 27.5 | 30.6 | 31.5 |
| Minimum temperature | 26.3 | 26.8 | 26.6 | 27.2 | 25.9 | 26.2 | 26 | 25.5 | 25.4 | 25.8 | 25.8 | 26.2 | 25.9 | 25.7 | 25.9 | 25.8 | 25.4 | 24.9 | 26.2 | 25.7 | 24.5 | 25 | 25.3 | 25.4 | 25.5 | 25.2 | 24.7 | 23.9 | 25.6 | 25.8 |
| Apparent min temperature | 33.5 | 34.5 | 34.3 | 34.3 | 33.1 | 34.1 | 33.7 | 33.3 | 33.3 | 31.6 | 31.7 | 31.3 | 32.5 | 32.1 | 31.7 | 32.7 | 31.9 | 33.1 | 35 | 34.5 | 33.4 | 33.6 | 33.9 | 34.1 | 34.5 | 32.6 | 30.5 | 29.7 | 32 | 32.9 |
| 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) | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12 | 12 |
| Sunshine duration (h) | 7 | 9.1 | 11.5 | 10.5 | 7.9 | 8 | 2.7 | 6 | 9.6 | 3.1 | 7.1 | 4.3 | 9 | 3.9 | 6.4 | 10.4 | 8.4 | 9.1 | 9.3 | 7.6 | 8.6 | 10.4 | 8.4 | 9.1 | 9.6 | 2.7 | 3.4 | 4.2 | 8.9 | 6.3 |
| Precipitation (mm) | 15.8 | 2.6 | 6 | 3.9 | 8.7 | 3.8 | 9.7 | 12.9 | 28.4 | 18.5 | 11.7 | 8 | 19.9 | 30.7 | 24.2 | 13.4 | 12 | 1.2 | 7.4 | 3.8 | 15 | 18.8 | 17.4 | 14.1 | 12.6 | 23.4 | 41.8 | 58.3 | 0.7 | 1.4 |
| Precipitation hours | 17 | 8 | 14 | 9 | 12 | 10 | 12 | 13 | 14 | 21 | 18 | 9 | 18 | 17 | 20 | 18 | 21 | 3 | 8 | 9 | 11 | 12 | 12 | 8 | 12 | 20 | 24 | 24 | 3 | 5 |
| Wind speed (m/s) | 16.1 | 16.4 | 15.6 | 18.8 | 19.5 | 10.9 | 10.8 | 13 | 19.5 | 19 | 21.7 | 22.9 | 19.9 | 18.4 | 21 | 16.1 | 19.5 | 16.5 | 9.4 | 11.5 | 11.9 | 9.6 | 7.8 | 9.7 | 10.2 | 10.5 | 17.5 | 20.3 | 19.5 | 13.7 |
In September 2023, the highest daytime temperature in Si Racha was 31.8°C.
While the minimum temperature at night dropped to 23.9°C.
The average nighttime and daytime temperatures during September in Si Racha are 25.7°C and 30.4°C respectively.
The precipitation sum in September is about 446 mm.