September Weather in Fosnavag, Norway

Last updated: August 27, 2025

In September, the average temperature in Fosnavag, Norway hovers around 11°C (53°F), with a minimum dipping to 4°C (40°F) and a maximum reaching 19°C (66°F). Expect substantial precipitation, averaging 338 mm (13.3 in) over 20 days, coupled with a high humidity level of 87%. Prepare for a chilly and damp month!

September Temperature in Fosnavag

In September in Fosnavag, the average temperature is 11°C (53°F), with a maximum reaching 19°C (66°F) and a minimum dipping as low as 4°C (40°F). This mild climate makes Fosnavag a pleasant destination for travelers seeking a comfortable escape during this time of year.

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

The chart illustrates September temperature patterns in Fosnavag, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fosnavag, September typically has an average temperature of 11°C (53°F), with highs reaching up to 19°C (66°F) and lows dropping to around 4°C (40°F).

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

September Precipitation in Fosnavag

In Fosnavag in September, the total precipitation amount is 338 mm (13.3 in) spread over 20 days.

September Precipitation Trends in Fosnavag

The chart displays monthly precipitation patterns in Fosnavag, 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 Fosnavag, September typically receives around 338 mm (13.3 inches) of precipitation spread over approximately 20 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 Fosnavag

In Fosnavag in September, humidity is 87%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that clings to your skin, making it uncomfortable for traveling as it combines the cool air with a sense of heaviness, leaving you yearning for warmth and dryness.

September Average Humidity in Fosnavag

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

In Fosnavag 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 Fosnavag for better planning.

Maximum UV Index Levels in Fosnavag for September

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

Data source: Fosnavag 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 Fosnavag Compares to Other Months

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

This table compares monthly weather conditions in Fosnavag, 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 (36°F)	215 mm (8.5 inches)	85%	low
February Weather	2°C (35°F)	166 mm (6.5 inches)	84%	low
March Weather	3°C (37°F)	190 mm (7.5 inches)	84%	low
April Weather	4°C (40°F)	164 mm (6.4 inches)	84%	moderate
May Weather	8°C (46°F)	111 mm (4.4 inches)	84%	moderate
June Weather	11°C (53°F)	120 mm (4.7 inches)	83%	high
July Weather	13°C (56°F)	129 mm (5.1 inches)	86%	high
August Weather	13°C (56°F)	187 mm (7.4 inches)	87%	moderate
September Weather	11°C (53°F)	338 mm (13.3 inches)	87%	moderate
October Weather	8°C (47°F)	334 mm (13.2 inches)	87%	low
November Weather	5°C (41°F)	240 mm (9.4 inches)	87%	low
December Weather	3°C (37°F)	235 mm (9.3 inches)	84%	low