September Weather in Straumen, Norway

Last updated: August 27, 2025

In Straumen, Norway, the average temperature in September hovers around 11°C (52°F). Expect minimums as low as 2°C (36°F) and maximums peaking at 21°C (69°F). With an average precipitation of 141 mm (5.6 in) over 17 days, and an average humidity of 90%, you're likely to encounter a damp and cool atmosphere. Be prepared for a chilly, wet adventure!

September Temperature in Straumen

In September in Straumen, the average temperature is 11°C (52°F). Maximums can reach 21°C (69°F), while minimums can dip as low as 2°C (36°F). Be prepared for a range of weather conditions to fully enjoy your travels!

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

The chart illustrates September temperature patterns in Straumen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Straumen, September typically has an average temperature of 11°C (52°F), with highs reaching up to 21°C (69°F) and lows dropping to around 2°C (36°F).

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

September Precipitation in Straumen

In Straumen, in September, the precipitation amount is 141 mm (5.6 in) over the course of 17 days.

September Precipitation Trends in Straumen

The chart displays monthly precipitation patterns in Straumen, 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 Straumen, September typically receives around 141 mm (5.6 inches) of precipitation spread over approximately 17 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Straumen

In Straumen in September, humidity is 90%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket that clings to your skin, making travel uncomfortable and muggy.

September Average Humidity in Straumen

This chart illustrates the average monthly humidity levels in Straumen, 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 Straumen 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 Straumen

In Straumen 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 Straumen, you can check the information here.

Maximum UV Index Levels in Straumen for September

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

Data source: Straumen 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 Straumen Compares to Other Months

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

This table compares monthly weather conditions in Straumen, 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 (30°F)	103 mm (4.0 inches)	96%	low
February Weather	-2°C (29°F)	77 mm (3.0 inches)	94%	low
March Weather	0°C (33°F)	116 mm (4.6 inches)	91%	low
April Weather	4°C (40°F)	99 mm (3.9 inches)	86%	moderate
May Weather	9°C (48°F)	74 mm (2.9 inches)	83%	moderate
June Weather	14°C (57°F)	103 mm (4.1 inches)	81%	high
July Weather	16°C (60°F)	94 mm (3.7 inches)	81%	high
August Weather	14°C (57°F)	129 mm (5.1 inches)	88%	moderate
September Weather	11°C (52°F)	141 mm (5.6 inches)	90%	moderate
October Weather	6°C (43°F)	121 mm (4.8 inches)	93%	low
November Weather	1°C (35°F)	95 mm (3.8 inches)	95%	low
December Weather	-1°C (31°F)	106 mm (4.2 inches)	97%	low