Average temperature in September is 27.5 °C
Average daytime temperature is 29.9 °C
Average night temperature is 25.7 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: 23.7 °C
Number of sunny days:
Number of rainy days: 30
Number of snow days:
Precipitation sum: 404 mm
* Weather data for Rayong 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 | 29.6 | 30.3 | 30.4 | 30.7 | 29.8 | 30.7 | 31 | 29.8 | 30.8 | 29.3 | 30.2 | 28.5 | 30.2 | 29.4 | 29.6 | 29.9 | 28.9 | 29.2 | 31.4 | 31.5 | 31.3 | 30.3 | 29.5 | 30.1 | 30.4 | 29.4 | 27.1 | 27.6 | 29.2 | 29.7 |
| Apparent max temperature | 35.2 | 35.2 | 35.6 | 36.6 | 33.7 | 37.9 | 38.3 | 37.3 | 37.2 | 33.2 | 35.5 | 31.9 | 35.9 | 33.7 | 33.8 | 36.2 | 33.5 | 36.3 | 39 | 41 | 39.8 | 38.4 | 37.2 | 37.3 | 39.5 | 36.8 | 32.4 | 31.9 | 33.8 | 35.1 |
| Mean temperature | 28.1 | 28.5 | 28.5 | 28.6 | 28.3 | 28.4 | 28.3 | 27.7 | 28.3 | 27.2 | 27.5 | 27.1 | 27.8 | 27.1 | 27.1 | 27.6 | 27 | 27.2 | 27.8 | 27.1 | 26.8 | 27.5 | 27.6 | 27.5 | 27.4 | 26.4 | 25.9 | 26 | 27.4 | 27.6 |
| Apparent mean temperature | 30.9 | 31.3 | 31 | 31.3 | 31.4 | 31.9 | 32.6 | 30.3 | 30.4 | 29.5 | 28.7 | 30.4 | 31.2 | 29.5 | 29.6 | 29.9 | 30.3 | 30.4 | 29.9 | 30.2 | 29.4 | 30.3 | 31.7 | 30.6 | 30.4 | 28.8 | 28.4 | 28.8 | 30.2 | 31 |
| Minimum temperature | 26.8 | 26.9 | 27.2 | 27.2 | 27.4 | 26.4 | 26.2 | 25.9 | 26.3 | 25.9 | 25.5 | 26.1 | 26.2 | 25.8 | 26 | 26.3 | 25.8 | 24.8 | 24.4 | 24.8 | 24.2 | 24.9 | 26 | 24.9 | 24.9 | 23.7 | 24.5 | 24.5 | 25.6 | 25.4 |
| Apparent min temperature | 32.7 | 32.8 | 33 | 33.1 | 32.4 | 33.9 | 34.5 | 33.6 | 33.4 | 31.2 | 31.7 | 31 | 32.8 | 31.6 | 30.8 | 31.9 | 31.7 | 33 | 34 | 33.3 | 32.7 | 33.5 | 33.7 | 33.8 | 33.8 | 32.1 | 30 | 30.2 | 32.3 | 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 | 12.3 | 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) | 6.5 | 5.7 | 10.1 | 10.5 | 6.8 | 8.3 | 10 | 5.6 | 9.5 | 2.5 | 6.8 | 3.7 | 9 | 5.3 | 5.4 | 10.4 | 5.5 | 9 | 10 | 7.3 | 7.2 | 8.4 | 9.1 | 8.7 | 10.6 | 4.2 | 0.8 | 6.6 | 6.3 | 8.5 |
| Precipitation (mm) | 8.1 | 3 | 7.8 | 10.3 | 5.2 | 2.9 | 16.9 | 15.1 | 14.3 | 21 | 19.9 | 17.9 | 5.3 | 12.4 | 13.5 | 10.9 | 21.7 | 1.1 | 9.8 | 14.1 | 11.3 | 1.3 | 0.4 | 10.8 | 7.4 | 29.7 | 44 | 58 | 9.1 | 0.5 |
| Precipitation hours | 14 | 8 | 7 | 12 | 11 | 11 | 16 | 11 | 14 | 22 | 15 | 15 | 10 | 18 | 19 | 18 | 19 | 7 | 6 | 9 | 12 | 5 | 4 | 12 | 11 | 19 | 24 | 24 | 11 | 5 |
| Wind speed (m/s) | 21.3 | 19.8 | 19.2 | 19.9 | 19.2 | 12.5 | 12 | 13.7 | 16.6 | 21.5 | 19.9 | 21.1 | 18.9 | 17.8 | 23.3 | 17.6 | 19.5 | 13.8 | 10.8 | 17.1 | 11 | 9.2 | 10.5 | 8 | 11.1 | 15.7 | 19.4 | 22.1 | 17.7 | 15.3 |
In September 2023, the highest daytime temperature in Rayong was 31.5°C.
While the minimum temperature at night dropped to 23.7°C.
The average nighttime and daytime temperatures during September in Rayong are 25.7°C and 29.9°C respectively.
The precipitation sum in September is about 404 mm.