Average temperature in September is 26.3 °C
Average daytime temperature is 34 °C
Average night temperature is 21.4 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 19.8 °C
Number of sunny days: 21
Number of rainy days: 9
Number of snow days:
Precipitation sum: 7 mm
* Weather data for Klaten Indonesia 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 | 32 | 32.4 | 33.3 | 32.8 | 34.8 | 32.8 | 32.6 | 34.3 | 33.6 | 31.9 | 35.1 | 34.8 | 34.1 | 31.5 | 34.1 | 34.9 | 33.3 | 32.7 | 34.2 | 34.2 | 34.7 | 33.1 | 34.6 | 35.9 | 33.4 | 36.1 | 36.7 | 35.6 | 36.8 | 35 |
| Apparent max temperature | 33.7 | 34.5 | 34.4 | 34.9 | 36.7 | 34 | 34.3 | 35.3 | 34.8 | 33.1 | 38.2 | 37.5 | 37 | 33.4 | 36 | 38.9 | 36 | 34 | 36.2 | 36.2 | 35.8 | 33.9 | 36 | 38.7 | 36.4 | 38.4 | 39.5 | 39.5 | 39.4 | 36.6 |
| Mean temperature | 24.8 | 24.9 | 24.9 | 25.1 | 25.9 | 25.9 | 25.6 | 26.2 | 25.3 | 25.3 | 26.7 | 26.7 | 26.7 | 25.8 | 26.6 | 27.1 | 26.8 | 26.1 | 26.2 | 26.6 | 26.4 | 25.8 | 26.3 | 27.1 | 26.5 | 27.2 | 27.4 | 27.6 | 27.8 | 27.2 |
| Apparent mean temperature | 20.8 | 22.1 | 21.2 | 19.7 | 22.1 | 22.5 | 21.8 | 19.9 | 20.6 | 22.9 | 25.3 | 23.3 | 24 | 22.5 | 23.1 | 24.3 | 23.7 | 23.4 | 23 | 22.4 | 22.4 | 22.5 | 23.3 | 25.2 | 23.1 | 24.1 | 24.2 | 25.1 | 25.2 | 24.7 |
| Minimum temperature | 19.8 | 20.5 | 20 | 20 | 21 | 21.2 | 20.9 | 20.1 | 19.9 | 21.4 | 22.7 | 21.6 | 22.1 | 21.2 | 21.3 | 22.6 | 22 | 21.8 | 21.5 | 21.4 | 21.2 | 20.8 | 21.5 | 22.6 | 21.3 | 21.9 | 22.4 | 22.7 | 22.9 | 22.7 |
| Apparent min temperature | 25.3 | 26.1 | 26 | 25.6 | 26.8 | 27 | 26.8 | 26.9 | 25.8 | 26.3 | 29 | 28.7 | 28.4 | 27.3 | 28.5 | 29.4 | 28.6 | 27.5 | 27.5 | 27.6 | 27.4 | 26.6 | 28 | 29.2 | 28.2 | 28.8 | 29.6 | 29.8 | 29.8 | 29 |
| 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 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 |
| Sunshine duration (h) | 11.1 | 11.1 | 11 | 11 | 11.1 | 11 | 11 | 11.1 | 11.1 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.9 | 0 | 0.1 | 3.9 | 0 | 0.7 | 0.6 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0.4 | 0.3 | 0 | 0.2 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 6 | 0 | 1 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 0 |
| Wind speed (m/s) | 18 | 20 | 23.1 | 20 | 20.6 | 19.1 | 18.6 | 17.2 | 17.7 | 20.1 | 20.5 | 19.2 | 20.2 | 18.3 | 18.7 | 15.9 | 17.6 | 18.7 | 19.6 | 19 | 20.7 | 19.8 | 20.7 | 23.7 | 19.5 | 20.7 | 18.3 | 20.5 | 20.1 | 21.1 |
In September 2023, the highest daytime temperature in Klaten was 36.8°C.
While the minimum temperature at night dropped to 19.8°C.
The average nighttime and daytime temperatures during September in Klaten are 21.4°C and 34°C respectively.
The precipitation sum in September is about 7 mm.