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September Weather in Mo, Norway

Last updated: August 27, 2025

In September, the average temperature in Mo, Norway hovers around 10°C (51°F), with a minimum of 2°C (36°F) and a maximum reaching 20°C (68°F). Expect plenty of rain, with a precipitation amount of 327 mm (12.9 in) spread over 19 days. The air is quite humid, averaging at 93% humidity, creating a distinct atmosphere throughout the month.

September Temperature in Mo

In September in Mo, the average temperature is 10°C (51°F). Maximums can reach 20°C (68°F), and minimums can be as low as 2°C (36°F). This weather makes Mo a great destination for travelers seeking mild temperatures and the opportunity to enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Mo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mo, September typically has an average temperature of 10°C (51°F), with highs reaching up to 20°C (68°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec313033384654575550433733
Data source: Temperature data for Mo 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 Mo

In Mo in September, the total precipitation amount is 327 mm (12.9 in), recorded over the course of 19 days.

September Precipitation Trends in Mo

The chart displays monthly precipitation patterns in Mo, 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 Mo, September typically receives around 327 mm (12.9 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec250235245154103181184249327372263267
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mo

In Mo in September humidity is 93%. With an average temperature of 10°C (51°F), this humidity feels like enveloping yourself in a thick, damp blanket, making even short walks feel exhausting and less enjoyable, as the air clings to your skin and leaves you longing for refreshing breezes.

September Average Humidity in Mo

This chart illustrates the average monthly humidity levels in Mo, 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 Mo is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec98%96%94%90%87%83%87%91%93%95%97%97%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mo

In Mo 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 Mo for better planning.

Maximum UV Index Levels in Mo for September

The chart shows the monthly maximum UV Index (UVI) for Mo 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 Mo typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123567754211
Data source: Mo 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 Mo Compares to Other Months

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

This table compares monthly weather conditions in Mo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)250 mm (9.8 inches)98%low
February Weather-1°C (30°F)235 mm (9.2 inches)96%low
March Weather1°C (33°F)245 mm (9.7 inches)94%moderate
April Weather3°C (38°F)154 mm (6.1 inches)89%moderate
May Weather8°C (46°F)103 mm (4.1 inches)86%high
June Weather12°C (54°F)181 mm (7.1 inches)83%high
July Weather14°C (57°F)184 mm (7.2 inches)87%high
August Weather13°C (55°F)249 mm (9.8 inches)91%moderate
September Weather10°C (51°F)327 mm (12.9 inches)93%moderate
October Weather6°C (43°F)372 mm (14.6 inches)95%low
November Weather3°C (37°F)263 mm (10.3 inches)97%low
December Weather0°C (33°F)267 mm (10.5 inches)97%low

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