Last updated: March 2, 2024
The weather in Shirone, Japan, during September is characterized by an average temperature of 23°C (74°F). Highs can soar to 33°C (92°F), while lows may dip to 14°C (57°F). Typically, the humidity level in Shirone throughout September hovers around 89%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Shirone averages 145 mm (5.7 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 12 hours 23 minutes of daylight, with the sun shining for approximately 8 hours 26 minutes each day. Additionally, there is a 43% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Shirone reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 15 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 | 1 | 3 | 5 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 1 | 1 | 0 |
| Exposure | Low | Moderate | VeryHigh | High | Moderate | Low | |||||||
| Time to burn | 45 min | 30 min | 15 min | 25 min | 30 min | 45 min | |||||||