Last updated: March 2, 2024
The weather in Ogasawara, Japan, during September is characterized by an average temperature of 28°C (82°F). Highs can soar to 29°C (85°F), while lows may dip to 26°C (78°F). Typically, the humidity level in Ogasawara throughout September hovers around 85%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Ogasawara averages 181 mm (7.1 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 12 hours 17 minutes of daylight, with the sun shining for approximately 10 hours 18 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 Ogasawara reaches a maximum of 12, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 11:00 and 13:00, during which unprotected skin may burn in as little as 10 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 | 4 | 8 | 10 | 12 | 12 | 10 | 7 | 4 | 2 | 1 | 0 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | High | Moderate | Low | |||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 25 min | 30 min | 45 min | |||||