Last updated: March 2, 2024
The weather in Minamata, Japan, during September is characterized by an average temperature of 25°C (77°F). Highs can soar to 33°C (92°F), while lows may dip to 17°C (62°F). Typically, the humidity level in Minamata throughout September hovers around 84%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In September, Minamata averages 228 mm (9.0 inches) of rainfall, typically over the course of 16 rainy days. The month enjoys an average of 12 hours 20 minutes of daylight, with the sun shining for approximately 8 hours 47 minutes each day. Additionally, there is a 33% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In September, the UV Index in Minamata reaches a maximum of 11, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, 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 | 1 | 2 | 5 | 8 | 10 | 11 | 10 | 8 | 5 | 3 | 1 | 1 | 0 |
| Exposure | Low | Moderate | VeryHigh | Extreme | VeryHigh | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 15 min | 10 min | 15 min | 30 min | 45 min | ||||||