September Weather in Melhus, Norway

Last updated: August 27, 2025

In September, the average temperature in Melhus, Norway hovers around 11°C (51°F), with a comfortable range from a chilly 2°C (36°F) to a warm 22°C (72°F). Expect a fair amount of rain, with 116 mm (4.6 in) of precipitation spread over 17 days. Don't forget your umbrella—the average humidity levels are high at 90%, adding to the damp ambiance of the season!

September Temperature in Melhus

In September in Melhus, the average temperature is 11°C (51°F). The maximum can reach 22°C (72°F), and the minimum can be as low as 2°C (36°F). This mild climate makes it a great time to explore Melhus, so pack accordingly to enjoy your visit!

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

The chart illustrates September temperature patterns in Melhus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Melhus, September typically has an average temperature of 11°C (51°F), with highs reaching up to 22°C (72°F) and lows dropping to around 2°C (36°F).

Data source: Temperature data for Melhus generated using information from the Copernicus Climate Change Service.

September Precipitation in Melhus

In Melhus in September, the precipitation amount is 116 mm (4.6 in) spread over 17 days.

September Precipitation Trends in Melhus

The chart displays monthly precipitation patterns in Melhus, 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 Melhus, September typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 17 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Melhus

In Melhus in September, humidity is 90%. With an average temperature of 11°C (51°F), this humidity feels like a damp blanket wrapping around you, making traveling uncomfortable and sticky, as every step leaves you feeling sluggish and clinging to the air.

September Average Humidity in Melhus

This chart illustrates the average monthly humidity levels in Melhus, 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 Melhus is approximately 90%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Melhus

In Melhus in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Melhus, you can check the information here.

Maximum UV Index Levels in Melhus for September

The chart shows the monthly maximum UV Index (UVI) for Melhus 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 Melhus typically reaches 3, which falls under the moderate exposure category.

Data source: Melhus 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 Melhus Compares to Other Months

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

This table compares monthly weather conditions in Melhus, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (29°F)	89 mm (3.5 inches)	96%	low
February Weather	-2°C (29°F)	72 mm (2.8 inches)	94%	low
March Weather	0°C (33°F)	102 mm (4.0 inches)	91%	moderate
April Weather	4°C (39°F)	93 mm (3.7 inches)	86%	moderate
May Weather	9°C (48°F)	78 mm (3.1 inches)	83%	moderate
June Weather	14°C (57°F)	98 mm (3.9 inches)	81%	high
July Weather	15°C (59°F)	103 mm (4.0 inches)	81%	high
August Weather	14°C (57°F)	127 mm (5.0 inches)	88%	moderate
September Weather	11°C (51°F)	116 mm (4.6 inches)	90%	moderate
October Weather	6°C (43°F)	124 mm (4.9 inches)	93%	low
November Weather	2°C (35°F)	82 mm (3.2 inches)	95%	low
December Weather	-1°C (30°F)	103 mm (4.1 inches)	97%	low