September Weather in Vennesla, Norway

Last updated: August 27, 2025

In Vennesla, Norway, the average temperature in September is 13°C (55°F), with minimums dipping to 3°C (38°F) and maximums reaching up to 24°C (76°F). Expect 141 mm (5.6 in) of precipitation spread across 16 days, contributing to an average humidity of 86%. Perfect conditions for cozy indoor activities or a refreshing stroll under the clouds!

September Temperature in Vennesla

In September in Vennesla, the average temperature is 13°C (55°F). The maximum can reach 24°C (76°F), and the minimum can be as low as 3°C (38°F). This makes it an ideal time for travelers to enjoy mild weather, perfect for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Vennesla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vennesla, September typically has an average temperature of 13°C (55°F), with highs reaching up to 24°C (76°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Vennesla

In Vennesla in September, the precipitation amount is 141 mm (5.6 in) over the course of 16 days.

September Precipitation Trends in Vennesla

The chart displays monthly precipitation patterns in Vennesla, 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 Vennesla, September typically receives around 141 mm (5.6 inches) of precipitation spread over approximately 16 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 Vennesla

In Vennesla in September humidity is 86%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket clinging to your skin, making travel quite uncomfortable and urging you to seek cooler, dryer spots.

September Average Humidity in Vennesla

This chart illustrates the average monthly humidity levels in Vennesla, 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 Vennesla is approximately 86%, 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 Vennesla

In Vennesla 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 Vennesla for better planning.

Maximum UV Index Levels in Vennesla for September

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

Data source: Vennesla 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 Vennesla Compares to Other Months

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

This table compares monthly weather conditions in Vennesla, 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 (35°F)	97 mm (3.8 inches)	93%	low
February Weather	1°C (34°F)	120 mm (4.7 inches)	91%	low
March Weather	3°C (37°F)	113 mm (4.4 inches)	88%	moderate
April Weather	6°C (43°F)	42 mm (1.6 inches)	83%	moderate
May Weather	11°C (51°F)	98 mm (3.9 inches)	75%	high
June Weather	15°C (60°F)	98 mm (3.9 inches)	74%	high
July Weather	17°C (62°F)	130 mm (5.1 inches)	74%	high
August Weather	16°C (60°F)	137 mm (5.4 inches)	78%	high
September Weather	13°C (55°F)	141 mm (5.6 inches)	86%	moderate
October Weather	9°C (48°F)	202 mm (8.0 inches)	92%	low
November Weather	5°C (41°F)	149 mm (5.9 inches)	92%	low
December Weather	2°C (36°F)	174 mm (6.8 inches)	92%	low