September Weather in Hermansverk, Norway

Last updated: August 27, 2025

In September, the average temperature in Hermansverk, Norway hovers around 9°C (48°F), with a range that can dip to a chilly -1°C (31°F) and peak at a mild 18°C (65°F). Expect significant precipitation, averaging 241 mm (9.5 in) over 19 days, and an atmosphere of high humidity at 93%. Prepare for a distinctly cool and damp experience!

September Temperature in Hermansverk

In September in Hermansverk, the average temperature is 9°C (48°F). Maximum temperatures can reach up to 18°C (65°F), while minimums can dip as low as -1°C (31°F). Be sure to pack layers and prepare for varying weather conditions during your travels.

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

The chart illustrates September temperature patterns in Hermansverk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hermansverk, September typically has an average temperature of 9°C (48°F), with highs reaching up to 18°C (65°F) and lows dropping to around -1°C (31°F).

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

September Precipitation in Hermansverk

In Hermansverk in September, the total precipitation amount is 241 mm (9.5 in) spread over 19 days.

September Precipitation Trends in Hermansverk

The chart displays monthly precipitation patterns in Hermansverk, 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 Hermansverk, September typically receives around 241 mm (9.5 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 Hermansverk

In Hermansverk in September humidity is 93%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making every step feel heavier and the air thick with moisture—ideal for appreciating a cozy café but challenging for long outdoor excursions.

September Average Humidity in Hermansverk

This chart illustrates the average monthly humidity levels in Hermansverk, 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 Hermansverk is approximately 93%, 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 Hermansverk

In Hermansverk 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 Hermansverk for better planning.

Maximum UV Index Levels in Hermansverk for September

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

Data source: Hermansverk 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 Hermansverk Compares to Other Months

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

This table compares monthly weather conditions in Hermansverk, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	198 mm (7.8 inches)	98%	low
February Weather	-3°C (26°F)	169 mm (6.7 inches)	96%	low
March Weather	-1°C (30°F)	191 mm (7.5 inches)	94%	moderate
April Weather	2°C (35°F)	129 mm (5.1 inches)	89%	moderate
May Weather	7°C (45°F)	98 mm (3.9 inches)	86%	high
June Weather	13°C (55°F)	141 mm (5.6 inches)	83%	high
July Weather	14°C (58°F)	135 mm (5.3 inches)	87%	high
August Weather	13°C (55°F)	184 mm (7.2 inches)	91%	moderate
September Weather	9°C (48°F)	241 mm (9.5 inches)	93%	moderate
October Weather	4°C (40°F)	271 mm (10.7 inches)	95%	low
November Weather	0°C (32°F)	209 mm (8.2 inches)	97%	low
December Weather	-3°C (27°F)	213 mm (8.4 inches)	97%	low