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September Weather in Ask, Norway

Last updated: August 27, 2025

In Ask, Norway, the average temperature in September is a mild 12°C (53°F). Expect temperatures to range from a cool 0°C (33°F) to a warm 25°C (78°F). The month brings about 97 mm (3.8 in) of precipitation spread over 12 days, contributing to an average humidity of 86%. Prepare for a combination of refreshing coolness and occasional showers!

September Temperature in Ask

In September in Ask, the average temperature is 12°C (53°F). The maximum can reach 25°C (78°F), and the minimum can be as low as 0°C (33°F). This makes it an ideal time for travelers to enjoy a mild climate, perfect for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Ask, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ask, September typically has an average temperature of 12°C (53°F), with highs reaching up to 25°C (78°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec282833415161636053443629
Data source: Temperature data for Ask 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 Ask

In Ask in September, the precipitation amount is 97 mm (3.8 in) spread over 12 days.

September Precipitation Trends in Ask

The chart displays monthly precipitation patterns in Ask, 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 Ask, September typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec55596037858299909711810197
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ask

In Ask in September humidity is 86%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and prompting the need for warm, layered clothing while exploring the surroundings.

September Average Humidity in Ask

This chart illustrates the average monthly humidity levels in Ask, 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 Ask 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 Ask

In Ask 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 Ask for better planning.

Maximum UV Index Levels in Ask for September

The chart shows the monthly maximum UV Index (UVI) for Ask 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 Ask typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Ask 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 Ask Compares to Other Months

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

This table compares monthly weather conditions in Ask, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)55 mm (2.2 inches)94%low
February Weather-2°C (28°F)59 mm (2.3 inches)92%low
March Weather1°C (34°F)60 mm (2.3 inches)89%moderate
April Weather5°C (42°F)37 mm (1.4 inches)82%moderate
May Weather11°C (51°F)85 mm (3.3 inches)73%moderate
June Weather16°C (61°F)82 mm (3.2 inches)71%high
July Weather17°C (64°F)99 mm (3.9 inches)72%high
August Weather16°C (60°F)90 mm (3.6 inches)77%moderate
September Weather12°C (53°F)97 mm (3.8 inches)86%moderate
October Weather7°C (44°F)118 mm (4.6 inches)92%low
November Weather2°C (36°F)101 mm (4.0 inches)93%low
December Weather-2°C (29°F)97 mm (3.8 inches)93%low

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