Last updated: March 2, 2024
The weather in Rishiri Town, Japan, during September is characterized by an average temperature of 18°C (65°F). Highs can soar to 23°C (73°F), while lows may dip to 13°C (55°F). Typically, the humidity level in Rishiri Town throughout September hovers around 86%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Rishiri Town averages 92 mm (3.6 inches) of rainfall, typically over the course of 10 rainy days. The month enjoys an average of 12 hours 29 minutes of daylight, with the sun shining for approximately 9 hours 26 minutes each day. Additionally, there is a 46% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Rishiri Town 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 | ||||||||