Average temperature in September is 26.4 °C
Average daytime temperature is 30 °C
Average night temperature is 24 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: 23.1 °C
Number of sunny days:
Number of rainy days: 30
Number of snow days:
Precipitation sum: 322 mm
* Weather data for Siao Thailand 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 | 30.6 | 31.1 | 31.3 | 31 | 29.9 | 29.7 | 29 | 30.6 | 30.2 | 29.6 | 29.9 | 29.4 | 29.3 | 29 | 29.3 | 29.2 | 28.9 | 30.4 | 30.1 | 31.2 | 30.9 | 31.3 | 30.9 | 30.9 | 30.1 | 28.2 | 29.4 | 29.3 | 30.2 | 30 |
| Apparent max temperature | 36.9 | 38.8 | 39 | 38.6 | 35.7 | 34.3 | 34.1 | 37 | 38 | 35.4 | 33.7 | 33.2 | 33.5 | 34.4 | 34.3 | 35.2 | 34.3 | 37.6 | 36.3 | 39.1 | 38.6 | 38.1 | 39 | 38.4 | 35.4 | 32.4 | 34.8 | 35 | 37.8 | 36.1 |
| Mean temperature | 26.9 | 26.9 | 26.9 | 26.8 | 26.7 | 26.2 | 25.9 | 27.1 | 26.5 | 26.2 | 26.9 | 26.8 | 26.1 | 25.6 | 25.5 | 25.9 | 26 | 26.7 | 26.9 | 27.1 | 26.8 | 27.2 | 26.7 | 26.9 | 26 | 24.9 | 25.4 | 25.6 | 26.4 | 26.8 |
| Apparent mean temperature | 29.4 | 28.7 | 28.4 | 28.9 | 30.3 | 28.7 | 27.8 | 29.8 | 28.7 | 28.2 | 28.8 | 28.5 | 28.2 | 28 | 27.2 | 28.4 | 28.7 | 29.9 | 29.7 | 28.1 | 29 | 28.3 | 29.6 | 28.7 | 28.1 | 27.3 | 26.9 | 28.2 | 29.4 | 29.2 |
| Minimum temperature | 24.4 | 23.6 | 23.7 | 24.2 | 25 | 23.9 | 23.6 | 24.8 | 24.3 | 24.2 | 24.8 | 24.3 | 24.1 | 23.6 | 23.4 | 24 | 23.8 | 24.6 | 24.2 | 23.8 | 24.1 | 23.9 | 24.2 | 24.1 | 23.7 | 23.3 | 23.1 | 23.6 | 24.2 | 24 |
| Apparent min temperature | 32.5 | 32.4 | 32.6 | 32.3 | 32.3 | 31.2 | 31.1 | 32.6 | 31.6 | 30.6 | 30.9 | 30.8 | 30.2 | 30.2 | 30 | 30.8 | 31 | 32.6 | 32.7 | 33.3 | 32.9 | 32.6 | 32.8 | 32.6 | 31.1 | 29.3 | 29.5 | 30.4 | 31.9 | 32.5 |
| 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) | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 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 | 12 | 12 |
| Sunshine duration (h) | 10 | 9.6 | 9.1 | 11.1 | 6.7 | 4.6 | 5.8 | 9.3 | 9.7 | 9.2 | 9.5 | 6.7 | 6.8 | 6.2 | 3.8 | 7.5 | 6.2 | 10.3 | 9 | 10.5 | 7.7 | 8.5 | 11.1 | 8.7 | 4.9 | 4.2 | 8.2 | 5.3 | 10.1 | 7 |
| Precipitation (mm) | 4.2 | 9 | 18 | 10.2 | 19.4 | 4.3 | 12.5 | 7.1 | 15.7 | 10.5 | 0.6 | 14.1 | 9 | 18.4 | 21.6 | 15.7 | 11.6 | 9.6 | 1.6 | 11.9 | 2.8 | 0.7 | 4.8 | 2.5 | 32.3 | 17.6 | 18.8 | 6.5 | 5.8 | 5 |
| Precipitation hours | 12 | 14 | 15 | 15 | 22 | 10 | 13 | 10 | 13 | 11 | 3 | 15 | 15 | 18 | 17 | 12 | 17 | 13 | 8 | 12 | 5 | 7 | 10 | 4 | 21 | 13 | 16 | 12 | 7 | 9 |
| Wind speed (m/s) | 11.6 | 11.6 | 11.3 | 10.5 | 10.2 | 13.4 | 15.3 | 10.5 | 13.8 | 16.9 | 18.7 | 20.2 | 16.4 | 13.8 | 12.2 | 12.6 | 12.3 | 10 | 7.6 | 10.7 | 10 | 11.2 | 8.9 | 12.9 | 13.6 | 13.4 | 17.4 | 13.1 | 9 | 9 |
In September 2023, the highest daytime temperature in Siao was 31.3°C.
While the minimum temperature at night dropped to 23.1°C.
The average nighttime and daytime temperatures during September in Siao are 24°C and 30°C respectively.
The precipitation sum in September is about 322 mm.