Average temperature in September is 26.3 °C
Average daytime temperature is 30.5 °C
Average night temperature is 23.9 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: 23.1 °C
Number of sunny days:
Number of rainy days: 30
Number of snow days:
Precipitation sum: 444 mm
* Weather data for Sandan Cambodia 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 | 29.4 | 29.4 | 31.4 | 29.7 | 30.4 | 30.5 | 31.1 | 32.1 | 30.7 | 30.7 | 31.2 | 30 | 30 | 29.8 | 30.3 | 30.3 | 30.6 | 31.7 | 31.3 | 32.4 | 30.3 | 31.3 | 30.6 | 31.3 | 29.4 | 28 | 30.1 | 30.5 | 31.5 | 29.3 |
| Apparent max temperature | 36.5 | 36.4 | 39.1 | 37.6 | 37.3 | 38 | 36.9 | 39.4 | 38.8 | 36 | 36.3 | 36.1 | 35.3 | 35.6 | 36.5 | 37.5 | 37.4 | 39.7 | 39.9 | 40.5 | 39 | 39.4 | 38.2 | 40.1 | 35 | 34.1 | 36.7 | 37.9 | 39.6 | 35.1 |
| Mean temperature | 25.6 | 25.6 | 26.8 | 26.5 | 26.4 | 26.6 | 26.7 | 27 | 26.6 | 25.9 | 27 | 26 | 26.1 | 25.4 | 25.6 | 25.9 | 26 | 26.9 | 27.1 | 27.1 | 26 | 26.9 | 26.5 | 26.4 | 26 | 25 | 25.5 | 26.1 | 26.8 | 26.2 |
| Apparent mean temperature | 29 | 29.2 | 29.2 | 29.9 | 30.1 | 30.1 | 29.5 | 29.8 | 29.3 | 28.8 | 29.2 | 29.6 | 28.2 | 28.5 | 28.1 | 29.6 | 28.9 | 30.2 | 29.7 | 28.8 | 28.6 | 28.3 | 28.3 | 28.4 | 28 | 28.7 | 28.6 | 29.1 | 29 | 28.7 |
| Minimum temperature | 23.6 | 23.8 | 23.9 | 24.5 | 24.6 | 24.6 | 24 | 24.4 | 24.4 | 24 | 24.4 | 24.1 | 23.4 | 23.6 | 23.3 | 24.3 | 23.8 | 24.7 | 24.2 | 23.4 | 23.7 | 23.3 | 23.2 | 23.3 | 23.1 | 23.7 | 23.7 | 23.9 | 24 | 23.9 |
| Apparent min temperature | 31.6 | 31.6 | 32.7 | 32.8 | 32.6 | 33 | 33 | 33.1 | 32.1 | 31.2 | 32.2 | 31.6 | 31.6 | 30.7 | 30.8 | 31.6 | 31.9 | 33.3 | 33.6 | 33.5 | 32.2 | 33 | 32.6 | 32.4 | 31.6 | 30.4 | 31 | 32.2 | 33 | 32.1 |
| 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) | 12.4 | 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 | 6.9 | 10.2 | 8 | 7.3 | 7.4 | 8.3 | 11.1 | 9.8 | 6 | 10.8 | 6 | 5.5 | 3.5 | 6.8 | 6.2 | 6.7 | 10.8 | 8.7 | 10 | 7.7 | 9.4 | 9.1 | 6.6 | 1.3 | 3.4 | 6.4 | 7 | 8.4 | 4.8 |
| Precipitation (mm) | 36 | 22.8 | 7.1 | 16.5 | 43.4 | 10.4 | 7.8 | 14.2 | 18.8 | 10.5 | 2.4 | 11.9 | 16.3 | 19.2 | 7.9 | 22.4 | 20.1 | 11 | 4 | 27.7 | 8.3 | 3.5 | 3.9 | 4.8 | 6.5 | 14.8 | 29 | 15.6 | 12.7 | 14.9 |
| Precipitation hours | 22 | 17 | 10 | 12 | 23 | 10 | 10 | 14 | 10 | 12 | 8 | 10 | 21 | 21 | 10 | 15 | 12 | 9 | 6 | 17 | 11 | 9 | 9 | 9 | 13 | 19 | 20 | 12 | 17 | 11 |
| Wind speed (m/s) | 12.3 | 14.2 | 11.4 | 7.9 | 7.4 | 10.9 | 9.7 | 10.8 | 13.7 | 12.3 | 14.5 | 15.5 | 11.3 | 12.7 | 13.8 | 11.4 | 10.1 | 9.3 | 8 | 10.9 | 8.5 | 9.1 | 6.8 | 11.5 | 10.5 | 11.3 | 10.8 | 8.4 | 10.1 | 10.7 |
In September 2023, the highest daytime temperature in Sandan was 32.4°C.
While the minimum temperature at night dropped to 23.1°C.
The average nighttime and daytime temperatures during September in Sandan are 23.9°C and 30.5°C respectively.
The precipitation sum in September is about 444 mm.