Last updated: March 2, 2024
The weather in Narva-Joesuu, Estonia, during September is characterized by an average temperature of 13°C (56°F). Highs can soar to 22°C (71°F), while lows may dip to 6°C (43°F). Typically, the humidity level in Narva-Joesuu throughout September hovers around 90%.
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Humidity
In September, Narva-Joesuu averages 91 mm (3.6 inches) of rainfall, typically over the course of 15 rainy days. The month enjoys an average of 12 hours 46 minutes of daylight, with the sun shining for approximately 10 hours 1 minutes each day. Additionally, there is a 21% probability of sunny days during this period.
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In September, the UV Index in Narva-Joesuu 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 | 1 | 2 | 3 | 4 | 4 | 3 | 3 | 2 | 1 | 1 | 1 |
| Exposure | Low | Moderate | Low | ||||||||||
| Time to burn | 45 min | 30 min | 45 min | ||||||||||