Last updated: March 2, 2024
The weather in Chitose, Japan, during September is characterized by an average temperature of 18°C (65°F). Highs can soar to 25°C (77°F), while lows may dip to 10°C (50°F). Typically, the humidity level in Chitose throughout September hovers around 88%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Chitose averages 103 mm (4.0 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 12 hours 27 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 Chitose reaches a maximum of 8, 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 | 2 | 3 | 5 | 7 | 8 | 8 | 6 | 5 | 3 | 1 | 1 | 0 | 0 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||