September Weather in Bagn, Norway

Last updated: August 27, 2025

In Bagn, Norway, the average temperature in September is a brisk 8°C (47°F), with a minimum dipping to -2°C (28°F) and a maximum reaching up to 21°C (70°F). Expect 101 mm (4.0 in) of precipitation spread over approximately 14 days, contributing to a notably high average humidity of 92%.

September Temperature in Bagn

In September in Bagn, the average temperature is 8°C (47°F), with maximums reaching 21°C (70°F) and minimums dropping as low as -2°C (28°F). It's advisable to pack layers to stay comfortable during your travels.

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

The chart illustrates September temperature patterns in Bagn, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bagn, September typically has an average temperature of 8°C (47°F), with highs reaching up to 21°C (70°F) and lows dropping to around -2°C (28°F).

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

September Precipitation in Bagn

In Bagn in September, the precipitation amount is 101 mm (4.0 in) over the course of 14 days.

September Precipitation Trends in Bagn

The chart displays monthly precipitation patterns in Bagn, 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 Bagn, September typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 14 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 Bagn

In Bagn in September humidity is 92%. With an average temperature of 8°C (47°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and exhausting for travelers.

September Average Humidity in Bagn

This chart illustrates the average monthly humidity levels in Bagn, 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 Bagn is approximately 92%, 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 Bagn

In Bagn 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 Bagn for better planning.

Maximum UV Index Levels in Bagn for September

The chart shows the monthly maximum UV Index (UVI) for Bagn 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 Bagn typically reaches 4, which falls under the moderate exposure category.

Data source: Bagn 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 Bagn Compares to Other Months

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

This table compares monthly weather conditions in Bagn, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (20°F)	51 mm (2.0 inches)	99%	low
February Weather	-6°C (21°F)	49 mm (1.9 inches)	97%	low
March Weather	-3°C (27°F)	57 mm (2.2 inches)	94%	moderate
April Weather	1°C (34°F)	46 mm (1.8 inches)	89%	moderate
May Weather	7°C (45°F)	89 mm (3.5 inches)	85%	moderate
June Weather	13°C (55°F)	111 mm (4.4 inches)	82%	high
July Weather	14°C (57°F)	118 mm (4.6 inches)	84%	high
August Weather	12°C (54°F)	129 mm (5.1 inches)	89%	moderate
September Weather	8°C (47°F)	101 mm (4.0 inches)	92%	moderate
October Weather	3°C (38°F)	120 mm (4.7 inches)	96%	low
November Weather	-2°C (28°F)	80 mm (3.1 inches)	97%	low
December Weather	-7°C (20°F)	89 mm (3.5 inches)	99%	low