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September Weather in Tomter, Norway

Last updated: August 27, 2025

In September, the average temperature in Tomter, Norway hovers around 12°C (55°F), with a minimum of 0°C (32°F) and a maximum reaching 25°C (78°F). Expect some moisture with an average precipitation of 92 mm (3.6 in) over approximately 12 days, contributing to a notable average humidity of 86%.

September Temperature in Tomter

In September in Tomter, the average temperature is 12°C (55°F), with a maximum that can reach 25°C (78°F) and a minimum that can drop as low as 0°C (32°F). This makes Tomter a great destination for travelers seeking mild weather, but it's advisable to pack layers to stay comfortable throughout the day.

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

The chart illustrates September temperature patterns in Tomter, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tomter, September typically has an average temperature of 12°C (55°F), with highs reaching up to 25°C (78°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec292934425262646154453730
Data source: Temperature data for Tomter 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 Tomter

In Tomter in September, the precipitation amount is 92 mm (3.6 in) over the course of 12 days.

September Precipitation Trends in Tomter

The chart displays monthly precipitation patterns in Tomter, 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 Tomter, September typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec5560603580819585921159693
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tomter

In Tomter in September humidity is 86%. With an average temperature of 12°C (55°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers while traveling.

September Average Humidity in Tomter

This chart illustrates the average monthly humidity levels in Tomter, 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 Tomter is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%92%89%82%73%71%72%77%86%92%93%93%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tomter

In Tomter 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 Tomter for better planning.

Maximum UV Index Levels in Tomter for September

The chart shows the monthly maximum UV Index (UVI) for Tomter 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 Tomter typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113457754211
Data source: Tomter 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 Tomter Compares to Other Months

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

This table compares monthly weather conditions in Tomter, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)55 mm (2.2 inches)94%low
February Weather-2°C (29°F)60 mm (2.4 inches)92%low
March Weather1°C (35°F)60 mm (2.4 inches)89%moderate
April Weather6°C (43°F)35 mm (1.4 inches)82%moderate
May Weather11°C (52°F)80 mm (3.1 inches)73%moderate
June Weather16°C (62°F)81 mm (3.2 inches)71%high
July Weather18°C (65°F)95 mm (3.7 inches)72%high
August Weather16°C (61°F)85 mm (3.3 inches)77%moderate
September Weather12°C (55°F)92 mm (3.6 inches)86%moderate
October Weather7°C (46°F)115 mm (4.5 inches)92%low
November Weather3°C (37°F)96 mm (3.8 inches)93%low
December Weather-1°C (31°F)93 mm (3.6 inches)93%low

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