nomadseason

September Weather in Mandal, Norway

Last updated: August 27, 2025

In September, the average temperature in Mandal, Norway hovers around 14°C (57°F). Expect lows of 5°C (41°F) and highs reaching 23°C (74°F). During this period, anticipate precipitation totaling 126 mm (4.9 in) over 15 days, coupled with a high average humidity of 87%.

September Temperature in Mandal

In September in Mandal, the average temperature is 14°C (57°F). Maximum can reach 23°C (74°F) and minimum can be as low as 5°C (41°F). This makes it a comfortable time for travelers looking to explore without extreme heat or cold.

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

The chart illustrates September temperature patterns in Mandal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mandal, September typically has an average temperature of 14°C (57°F), with highs reaching up to 23°C (74°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec383639445259626157504439
Data source: Temperature data for Mandal generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Mandal

In Mandal in September, the precipitation amount is 126 mm (4.9 in) over the course of 15 days.

September Precipitation Trends in Mandal

The chart displays monthly precipitation patterns in Mandal, 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 Mandal, September typically receives around 126 mm (4.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec9111210738778995136126181136155
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Mandal

In Mandal in September humidity is 87%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making every breath feel heavy and sticky, which can be quite challenging for travelers exploring the city.

September Average Humidity in Mandal

This chart illustrates the average monthly humidity levels in Mandal, 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 Mandal is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%84%83%86%86%87%86%86%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mandal

In Mandal 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 Mandal for better planning.

Maximum UV Index Levels in Mandal for September

The chart shows the monthly maximum UV Index (UVI) for Mandal 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 Mandal typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123467764211
Data source: Mandal 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 Mandal Compares to Other Months

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

This table compares monthly weather conditions in Mandal, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)91 mm (3.6 inches)85%low
February Weather2°C (37°F)112 mm (4.4 inches)85%low
March Weather4°C (39°F)107 mm (4.2 inches)85%moderate
April Weather7°C (44°F)38 mm (1.5 inches)85%moderate
May Weather11°C (52°F)77 mm (3.0 inches)84%high
June Weather15°C (60°F)89 mm (3.5 inches)83%high
July Weather17°C (63°F)95 mm (3.8 inches)86%high
August Weather16°C (61°F)136 mm (5.3 inches)86%high
September Weather14°C (57°F)126 mm (4.9 inches)87%moderate
October Weather10°C (51°F)181 mm (7.1 inches)86%low
November Weather7°C (44°F)136 mm (5.4 inches)86%low
December Weather4°C (39°F)155 mm (6.1 inches)82%low

Compare Mandal's Climate with Cities Worldwide