Last updated: March 2, 2024
The weather in Haibara-akanedai, Japan, during September is characterized by an average temperature of 22°C (72°F). Highs can soar to 31°C (89°F), while lows may dip to 13°C (55°F). Typically, the humidity level in Haibara-akanedai throughout September hovers around 87%.
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Average temperature
Maximum temperature
Humidity
In September, Haibara-akanedai averages 225 mm (8.9 inches) of rainfall, typically over the course of 17 rainy days. The month enjoys an average of 12 hours 21 minutes of daylight, with the sun shining for approximately 7 hours 52 minutes each day. Additionally, there is a 23% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Haibara-akanedai reaches a maximum of 10, 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 | 6 | 8 | 10 | 10 | 9 | 7 | 4 | 2 | 1 | 1 | 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 | ||||||