Last updated: March 2, 2024
The weather in Ust'-Kut, Russian Federation, during September is characterized by an average temperature of 7°C (46°F). Highs can soar to 24°C (76°F), while lows may dip to -4°C (26°F). Typically, the humidity level in Ust'-Kut throughout September hovers around 82%.
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Average temperature
Maximum temperature
Humidity
In September, Ust'-Kut averages 56 mm (2.2 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 12 hours 43 minutes of daylight, with the sun shining for approximately 8 hours 29 minutes each day. Additionally, there is a 30% probability of sunny days during this period.
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Chance of sun
In September, the UV Index in Ust'-Kut reaches a maximum of 4, indicating a level of Moderate exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 30 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 | 1 | 2 | 3 | 3 | 4 | 4 | 4 | 3 | 2 | 1 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||