September Weather in Roan, Norway

Last updated: August 27, 2025

In September, the average temperature in Roan, Norway hovers around 11°C (53°F), with a minimum of 5°C (42°F) and a maximum reaching 18°C (65°F). Expect a wet month, as precipitation amounts can total 237 mm (9.3 in) over 18 days. Humidity is notably high, averaging 84%, making it a time to embrace cozy indoor activities!

September Temperature in Roan

In September in Roan, the average temperature is 11°C (53°F). The maximum can reach 18°C (65°F), while the minimum can drop as low as 5°C (42°F). This climate makes Roan a pleasantly mild destination for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Roan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roan, September typically has an average temperature of 11°C (53°F), with highs reaching up to 18°C (65°F) and lows dropping to around 5°C (42°F).

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

September Precipitation in Roan

In Roan in September, the precipitation amount is 237 mm (9.3 in) over the course of 18 days.

September Precipitation Trends in Roan

The chart displays monthly precipitation patterns in Roan, 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 Roan, September typically receives around 237 mm (9.3 inches) of precipitation spread over approximately 18 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 Roan

In Roan in September, humidity is 84%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a bit uncomfortable and requiring extra layers to stay warm while traveling.

September Average Humidity in Roan

This chart illustrates the average monthly humidity levels in Roan, 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 Roan is approximately 84%, 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 Roan

In Roan 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 Roan, you can check the information here.

Maximum UV Index Levels in Roan for September

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

Data source: Roan 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 Roan Compares to Other Months

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

This table compares monthly weather conditions in Roan, 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 (35°F)	162 mm (6.4 inches)	86%	low
February Weather	1°C (34°F)	117 mm (4.6 inches)	84%	low
March Weather	2°C (36°F)	160 mm (6.3 inches)	83%	low
April Weather	4°C (40°F)	133 mm (5.2 inches)	80%	moderate
May Weather	7°C (46°F)	83 mm (3.3 inches)	75%	moderate
June Weather	11°C (53°F)	111 mm (4.4 inches)	78%	high
July Weather	14°C (57°F)	96 mm (3.8 inches)	79%	high
August Weather	13°C (57°F)	153 mm (6.0 inches)	81%	moderate
September Weather	11°C (53°F)	237 mm (9.3 inches)	84%	moderate
October Weather	8°C (46°F)	212 mm (8.4 inches)	87%	low
November Weather	4°C (40°F)	162 mm (6.4 inches)	86%	low
December Weather	2°C (36°F)	177 mm (7.0 inches)	85%	low