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September Weather in Grua, Norway

Last updated: August 27, 2025

In September, the average temperature in Grua, Norway hovers around 11°C (52°F). While the mercury can dip to a chilly 0°C (32°F), it can also reach a pleasant 24°C (75°F). Be prepared for 100 mm (4.0 in) of precipitation spread over 13 days, contributing to a high average humidity of 91%.

September Temperature in Grua

In September in Grua, the average temperature is 11°C (52°F). Maximums can reach 24°C (75°F), and minimums can drop to as low as 0°C (32°F). Be prepared for a range of temperatures to make the most of your travels.

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

The chart illustrates September temperature patterns in Grua, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grua, September typically has an average temperature of 11°C (52°F), with highs reaching up to 24°C (75°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec252631394959615851423427
Data source: Temperature data for Grua 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 Grua

In Grua in September, the precipitation amount is 100 mm (4.0 in) over the course of 13 days.

September Precipitation Trends in Grua

The chart displays monthly precipitation patterns in Grua, 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 Grua, September typically receives around 100 mm (4.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec585963429495104109100123100100
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Grua

In Grua in September, humidity is 91%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that clings to your skin, making it essential to dress in layers and plan for cozy indoor activities rather than lengthy outdoor explorations.

September Average Humidity in Grua

This chart illustrates the average monthly humidity levels in Grua, 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 Grua is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%95%92%88%84%82%82%87%91%95%97%98%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Grua

In Grua 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 Grua for better planning.

Maximum UV Index Levels in Grua for September

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

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

This table compares monthly weather conditions in Grua, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)58 mm (2.3 inches)98%low
February Weather-4°C (26°F)59 mm (2.3 inches)95%low
March Weather0°C (32°F)62 mm (2.5 inches)92%moderate
April Weather4°C (39°F)42 mm (1.7 inches)88%moderate
May Weather10°C (49°F)94 mm (3.7 inches)84%moderate
June Weather15°C (59°F)95 mm (3.7 inches)82%high
July Weather16°C (62°F)104 mm (4.1 inches)82%high
August Weather15°C (58°F)109 mm (4.3 inches)87%moderate
September Weather11°C (52°F)100 mm (4.0 inches)91%moderate
October Weather6°C (42°F)123 mm (4.8 inches)95%low
November Weather1°C (34°F)100 mm (3.9 inches)97%low
December Weather-3°C (27°F)100 mm (4.0 inches)98%low

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