September Weather in Stjordal, Norway

Last updated: August 27, 2025

In September, the average temperature in Stjordal, Norway hovers around 10°C (51°F), with minimums dipping to 2°C (35°F) and maximums reaching up to 21°C (70°F). Expect a significant precipitation of 144 mm (5.7 in) spread over 19 days, contributing to an average humidity of 90%. Prepare for a cozy, albeit wet, experience!

September Temperature in Stjordal

In September in Stjordal, the average temperature is 10°C (51°F). The maximum can reach 21°C (70°F), and the minimum can be as low as 2°C (35°F). This mild climate makes it a great time for travelers to explore the sights and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Stjordal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stjordal, September typically has an average temperature of 10°C (51°F), with highs reaching up to 21°C (70°F) and lows dropping to around 2°C (35°F).

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

September Precipitation in Stjordal

In Stjordal in September, the precipitation amount is 144 mm (5.7 in) spread over 19 days.

September Precipitation Trends in Stjordal

The chart displays monthly precipitation patterns in Stjordal, 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 Stjordal, September typically receives around 144 mm (5.7 inches) of precipitation spread over approximately 19 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 Stjordal

In Stjordal in September, humidity is 90%. With an average temperature of 10°C (51°F), this humidity feels like you are wrapped in a damp blanket, making traveling quite uncomfortable and sticky, as the air hangs heavy around you, often leading to fatigue and a longing for cooler, drier conditions.

September Average Humidity in Stjordal

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

In Stjordal 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 Stjordal, you can check the information here.

Maximum UV Index Levels in Stjordal for September

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

Data source: Stjordal 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 Stjordal Compares to Other Months

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

This table compares monthly weather conditions in Stjordal, 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 (28°F)	109 mm (4.3 inches)	96%	low
February Weather	-3°C (28°F)	85 mm (3.4 inches)	94%	low
March Weather	0°C (32°F)	128 mm (5.1 inches)	91%	low
April Weather	3°C (38°F)	109 mm (4.3 inches)	86%	moderate
May Weather	8°C (46°F)	77 mm (3.0 inches)	83%	moderate
June Weather	13°C (56°F)	109 mm (4.3 inches)	81%	high
July Weather	15°C (59°F)	104 mm (4.1 inches)	81%	high
August Weather	13°C (56°F)	140 mm (5.5 inches)	88%	moderate
September Weather	10°C (51°F)	144 mm (5.7 inches)	90%	moderate
October Weather	6°C (42°F)	133 mm (5.2 inches)	93%	low
November Weather	1°C (34°F)	100 mm (3.9 inches)	95%	low
December Weather	-1°C (30°F)	123 mm (4.8 inches)	97%	low