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September Weather in Rollag, Norway

Last updated: August 27, 2025

In September, the average temperature in Rollag, Norway hovers around 10°C (50°F), with a minimum dipping to -1°C (31°F) and a maximum peaking at 24°C (75°F). Expect 140 mm (5.5 in) of precipitation spread over 15 days, contributing to the region's average humidity of 86%. Embrace the climate, but don’t forget your umbrella!

September Temperature in Rollag

In September in Rollag, the average temperature is 10°C (50°F). Maximums can reach 24°C (75°F), while minimums can drop to as low as -1°C (31°F). This weather makes Rollag a perfect destination for travelers seeking a diverse climate experience, so be sure to pack layers for your trip!

September Weather in Rollag: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rollag, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rollag, September typically has an average temperature of 10°C (50°F), with highs reaching up to 24°C (75°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec242530374857605649403124
Data source: Temperature data for Rollag generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Rollag

In Rollag in September, the total precipitation amount is 140 mm (5.5 in) over a span of 15 days.

September Precipitation Trends in Rollag

The chart displays monthly precipitation patterns in Rollag, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Rollag, September typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec6366734895114114103140155109115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rollag

In Rollag in September humidity is 86%. With an average temperature of 10°C (50°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities uncomfortable and sticky, which can dampen the spirit of travel.

September Average Humidity in Rollag

This chart illustrates the average monthly humidity levels in Rollag, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Rollag is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%91%88%83%75%74%74%78%86%92%92%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rollag

In Rollag in September, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Rollag for better planning.

Maximum UV Index Levels in Rollag for September

The chart shows the monthly maximum UV Index (UVI) for Rollag in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Rollag typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Rollag September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Rollag Compares to Other Months

Weather in Rollag varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Rollag, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Rollag, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)63 mm (2.5 inches)93%low
February Weather-4°C (25°F)66 mm (2.6 inches)91%low
March Weather-1°C (30°F)73 mm (2.9 inches)88%moderate
April Weather3°C (38°F)48 mm (1.9 inches)83%moderate
May Weather9°C (48°F)95 mm (3.7 inches)75%moderate
June Weather14°C (58°F)114 mm (4.5 inches)74%high
July Weather15°C (60°F)114 mm (4.5 inches)74%high
August Weather13°C (56°F)103 mm (4.1 inches)78%moderate
September Weather10°C (50°F)140 mm (5.5 inches)86%moderate
October Weather4°C (40°F)155 mm (6.1 inches)92%low
November Weather-1°C (31°F)109 mm (4.3 inches)92%low
December Weather-4°C (24°F)115 mm (4.5 inches)92%low

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