Last updated: August 27, 2025
In September, the average temperature in Bjerkvik, Norway hovers around 8°C (46°F). While you might experience a brisk minimum of -4°C (25°F), warmer days can reach a pleasant 21°C (70°F). Expect 138 mm (5.4 in) of precipitation spread over about 18 days, contributing to an average humidity of 88%. Pack your layers and an umbrella for a cozy yet wet adventure!
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In September in Bjerkvik, the average temperature is 8°C (46°F). The maximum can reach 21°C (70°F), while the minimum can dip as low as -4°C (25°F). Be prepared for a range of temperatures when traveling during this month.
In Bjerkvik in September, the precipitation amount is 138 mm (5.4 in), occurring over the course of 18 days.
In Bjerkvik in September, humidity is 88%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel much more uncomfortable than the temperature alone would suggest.
In Bjerkvik in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Bjerkvik, you can check the information here.
UV Risk Categories
Weather in Bjerkvik varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bjerkvik, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 111 mm (4.4 inches) | 89% | low |
| February Weather | -7°C (20°F) | 124 mm (4.9 inches) | 88% | low |
| March Weather | -4°C (25°F) | 153 mm (6.0 inches) | 85% | low |
| April Weather | -1°C (31°F) | 107 mm (4.2 inches) | 83% | moderate |
| May Weather | 4°C (39°F) | 92 mm (3.6 inches) | 77% | moderate |
| June Weather | 9°C (49°F) | 131 mm (5.2 inches) | 82% | high |
| July Weather | 13°C (56°F) | 121 mm (4.7 inches) | 83% | moderate |
| August Weather | 12°C (53°F) | 130 mm (5.1 inches) | 84% | moderate |
| September Weather | 8°C (46°F) | 138 mm (5.4 inches) | 88% | moderate |
| October Weather | 2°C (36°F) | 103 mm (4.1 inches) | 88% | low |
| November Weather | -2°C (29°F) | 107 mm (4.2 inches) | 87% | low |
| December Weather | -5°C (23°F) | 103 mm (4.0 inches) | 87% | low |