September Weather in Stordal, Norway

Last updated: August 27, 2025

In September, the average temperature in Stordal, Norway hovers around 10°C (51°F), with a minimum of 2°C (37°F) and a maximum reaching 20°C (69°F). Expect 217 mm (8.5 in) of precipitation spread across 19 days, contributing to an average humidity of 87%. Be prepared for a damp and cool atmosphere!

September Temperature in Stordal

In September in Stordal, the average temperature is 10°C (51°F), with maximums reaching up to 20°C (69°F) and minimums dropping as low as 2°C (37°F). This pleasant climate makes Stordal a great destination for outdoor activities and exploration during this time.

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

The chart illustrates September temperature patterns in Stordal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stordal, September typically has an average temperature of 10°C (51°F), with highs reaching up to 20°C (69°F) and lows dropping to around 2°C (37°F).

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

September Precipitation in Stordal

In Stordal in September, the precipitation amount is 217 mm (8.5 in), occurring over the course of 19 days.

September Precipitation Trends in Stordal

The chart displays monthly precipitation patterns in Stordal, 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 Stordal, September typically receives around 217 mm (8.5 inches) of precipitation spread over approximately 19 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 Stordal

In Stordal in September humidity is 87%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket enveloping you, making outdoor activities uncomfortable and sticky, and often requiring frequent breaks to stay hydrated and cool.

September Average Humidity in Stordal

This chart illustrates the average monthly humidity levels in Stordal, 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 Stordal is approximately 87%, 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 Stordal

In Stordal 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 Stordal for better planning.

Maximum UV Index Levels in Stordal for September

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

Data source: Stordal 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 Stordal Compares to Other Months

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

This table compares monthly weather conditions in Stordal, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (31°F)	160 mm (6.3 inches)	85%	low
February Weather	-1°C (31°F)	126 mm (4.9 inches)	84%	low
March Weather	1°C (34°F)	153 mm (6.0 inches)	84%	moderate
April Weather	4°C (39°F)	148 mm (5.8 inches)	84%	moderate
May Weather	8°C (46°F)	99 mm (3.9 inches)	84%	moderate
June Weather	13°C (55°F)	115 mm (4.5 inches)	83%	high
July Weather	14°C (57°F)	134 mm (5.3 inches)	86%	high
August Weather	13°C (56°F)	169 mm (6.7 inches)	87%	moderate
September Weather	10°C (51°F)	217 mm (8.5 inches)	87%	moderate
October Weather	6°C (44°F)	224 mm (8.8 inches)	87%	low
November Weather	2°C (37°F)	151 mm (6.0 inches)	87%	low
December Weather	0°C (32°F)	174 mm (6.8 inches)	84%	low