Last updated: March 2, 2024
The weather in Mombetsu, Japan, during September is characterized by an average temperature of 16°C (62°F). Highs can soar to 27°C (81°F), while lows may dip to 6°C (44°F). Typically, the humidity level in Mombetsu throughout September hovers around 88%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Mombetsu averages 81 mm (3.2 inches) of rainfall, typically over the course of 12 rainy days. The month enjoys an average of 12 hours 29 minutes of daylight, with the sun shining for approximately 8 hours 52 minutes each day. Additionally, there is a 40% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Mombetsu reaches a maximum of 7, indicating a level of High exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 25 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 2 | 3 | 5 | 6 | 7 | 7 | 6 | 4 | 3 | 1 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | Moderate | Low | ||||||||
| Time to burn | 45 min | 30 min | 25 min | 30 min | 45 min | ||||||||