Average temperature in September is 22.7 °C
Average daytime temperature is 27 °C
Average night temperature is 19 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: 13.2 °C
Number of sunny days: 9
Number of rainy days: 21
Number of snow days:
Precipitation sum: 246 mm
* Weather data for Jeonju South Korea 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 | 28.9 | 29.8 | 31.3 | 29.5 | 31.1 | 30.3 | 29.3 | 27.8 | 28.3 | 28.4 | 28.9 | 28.6 | 23.3 | 26.9 | 26.7 | 28 | 27.8 | 27.9 | 27.3 | 24.2 | 23.1 | 23.9 | 26.2 | 26.3 | 25.9 | 24.9 | 24.4 | 25.6 | 23.2 | 23 |
| Apparent max temperature | 32.1 | 34.7 | 36.8 | 36.8 | 35.2 | 34.1 | 31.9 | 30.8 | 32.3 | 33.4 | 32.7 | 32.1 | 28 | 30.8 | 31.3 | 32.4 | 31.2 | 32.7 | 30.8 | 27.9 | 24.5 | 25.2 | 26.3 | 27.7 | 28.7 | 27.5 | 26.1 | 28.6 | 25.2 | 23.1 |
| Mean temperature | 23 | 24.9 | 25.9 | 25.6 | 25.5 | 24.6 | 23.5 | 22.5 | 23.8 | 24.2 | 24.2 | 24.7 | 21.3 | 23.3 | 23.2 | 23.9 | 23.5 | 23.3 | 23.6 | 22.1 | 19.1 | 18.3 | 19.8 | 21.3 | 21.9 | 22.6 | 21.4 | 21.1 | 19.6 | 18.4 |
| Apparent mean temperature | 18.9 | 24.4 | 25.1 | 26.3 | 23 | 20.2 | 17.7 | 18.8 | 21.9 | 23.9 | 23.6 | 26.2 | 22.5 | 24.7 | 24.9 | 24.9 | 23.5 | 21.5 | 23.9 | 18.6 | 15.8 | 13.2 | 14.9 | 18.8 | 21.4 | 23.3 | 21.2 | 19.7 | 17.2 | 14.9 |
| Minimum temperature | 17.7 | 21 | 21.2 | 22.2 | 20.1 | 18.7 | 16.6 | 17.6 | 19.5 | 20.5 | 20.5 | 22.2 | 19.8 | 21.3 | 21.5 | 21.3 | 20.3 | 19.2 | 21.1 | 19 | 14.7 | 13.2 | 15.1 | 18.3 | 19.4 | 21 | 18.8 | 17.4 | 16.4 | 15 |
| Apparent min temperature | 25.4 | 28.9 | 30.6 | 30.6 | 29.2 | 27.5 | 24.6 | 24.7 | 27.2 | 28 | 27.6 | 28.3 | 24.5 | 27.2 | 27.6 | 28 | 27.3 | 27 | 27.2 | 24 | 20.4 | 19.1 | 20.3 | 21.8 | 24.3 | 25.1 | 23.8 | 23.4 | 21 | 19.3 |
| 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) | 12.9 | 12.9 | 12.9 | 12.8 | 12.8 | 12.8 | 12.7 | 12.7 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12 | 12 | 11.9 | 11.9 | 11.9 |
| Sunshine duration (h) | 11.4 | 11.2 | 10.9 | 9.5 | 10.5 | 11.6 | 11.5 | 11.4 | 11.2 | 10.1 | 10.6 | 9.2 | 0 | 4.1 | 0.8 | 4 | 6.3 | 10.1 | 8.2 | 0 | 3.4 | 10.1 | 7.7 | 9.8 | 4 | 0.9 | 3.1 | 9.9 | 5.6 | 9.9 |
| Precipitation (mm) | 0 | 0 | 0.6 | 0.8 | 0.1 | 0 | 0 | 0 | 0 | 0.4 | 0 | 4 | 36.4 | 21 | 34.7 | 21.3 | 5.3 | 0.5 | 2.2 | 103 | 0.1 | 0 | 0 | 0.7 | 4.9 | 2.8 | 1.7 | 0.2 | 5.5 | 0.2 |
| Precipitation hours | 0 | 0 | 4 | 3 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 5 | 21 | 22 | 16 | 16 | 8 | 2 | 3 | 17 | 1 | 0 | 0 | 2 | 5 | 11 | 11 | 2 | 5 | 2 |
| Wind speed (m/s) | 13.8 | 9.7 | 7.9 | 10.6 | 10.6 | 11.9 | 12.6 | 11.7 | 10.3 | 11 | 13 | 8.5 | 10.1 | 6.4 | 8.9 | 17.7 | 8.4 | 10.5 | 8.4 | 29.3 | 14.4 | 10.4 | 10.4 | 9.4 | 14.3 | 14.1 | 13.8 | 11.6 | 8.5 | 13 |
In September 2023, the highest daytime temperature in Jeonju was 31.3°C.
While the minimum temperature at night dropped to 13.2°C.
The average nighttime and daytime temperatures during September in Jeonju are 19°C and 27°C respectively.
The precipitation sum in September is about 246 mm.