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September Weather in Randaberg, Norway

Last updated: August 27, 2025

In September, the average temperature in Randaberg, Norway is a mild 14°C (57°F), with lows of 7°C (45°F) and highs reaching up to 19°C (66°F). Expect a fair amount of rain, with total precipitation around 241 mm (9.5 in) spread over 19 days. The air is quite humid too, averaging around 90% humidity, adding to the overall charm of the season.

September Temperature in Randaberg

In September in Randaberg, the average temperature is 14°C (57°F). Maximums can reach 19°C (66°F), while minimums can dip as low as 7°C (45°F). It's advisable to pack layers to comfortably enjoy all that Randaberg has to offer during this time.

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

The chart illustrates September temperature patterns in Randaberg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Randaberg, September typically has an average temperature of 14°C (57°F), with highs reaching up to 19°C (66°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec413940434856586057524642
Data source: Temperature data for Randaberg 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 Randaberg

In Randaberg in September, the total precipitation amount is 241 mm (9.5 in) spread over 19 days.

September Precipitation Trends in Randaberg

The chart displays monthly precipitation patterns in Randaberg, 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 Randaberg, September typically receives around 241 mm (9.5 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec1591601477881117125207241345240222
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Randaberg

In Randaberg in September, humidity is 90%. With an average temperature of 14°C (57°F), this humidity feels like a warm blanket wrapping around you, making travel somewhat stifling and requiring frequent breaks to stay refreshed.

September Average Humidity in Randaberg

This chart illustrates the average monthly humidity levels in Randaberg, 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 Randaberg is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%90%90%87%84%81%86%87%90%92%93%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Randaberg

In Randaberg 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 Randaberg for better planning.

Maximum UV Index Levels in Randaberg for September

The chart shows the monthly maximum UV Index (UVI) for Randaberg 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 Randaberg typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec113467654211
Data source: Randaberg 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 Randaberg Compares to Other Months

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

This table compares monthly weather conditions in Randaberg, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)159 mm (6.3 inches)92%low
February Weather4°C (39°F)160 mm (6.3 inches)90%low
March Weather4°C (40°F)147 mm (5.8 inches)90%moderate
April Weather6°C (44°F)78 mm (3.1 inches)87%moderate
May Weather9°C (49°F)81 mm (3.2 inches)84%high
June Weather13°C (56°F)117 mm (4.6 inches)81%high
July Weather15°C (58°F)125 mm (4.9 inches)86%high
August Weather16°C (60°F)207 mm (8.1 inches)87%moderate
September Weather14°C (57°F)241 mm (9.5 inches)90%moderate
October Weather11°C (52°F)345 mm (13.6 inches)92%low
November Weather8°C (47°F)240 mm (9.4 inches)93%low
December Weather6°C (43°F)222 mm (8.7 inches)90%low

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