September Weather in Osoyro, Norway

Last updated: August 27, 2025

In September, the average temperature in Osoyro, Norway hovers around 12°C (54°F), with a minimum dipping to 4°C (39°F) and a maximum reaching 21°C (71°F). Expect considerable precipitation, with about 307 mm (12.1 in) falling over 18 days. The air is notably humid, averaging a steamy 93%, making for a uniquely atmospheric experience.

September Temperature in Osoyro

In September in Osoyro, the average temperature is 12°C (54°F). Maximum temperatures can reach 21°C (71°F), while minimums can drop as low as 4°C (39°F). This mild climate makes Osoyro a great destination for outdoor activities and exploring during this time of year.

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

The chart illustrates September temperature patterns in Osoyro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osoyro, September typically has an average temperature of 12°C (54°F), with highs reaching up to 21°C (71°F) and lows dropping to around 4°C (39°F).

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

September Precipitation in Osoyro

In Osoyro in September, the total precipitation amount is 307 mm (12.1 in) over the course of 18 days.

September Precipitation Trends in Osoyro

The chart displays monthly precipitation patterns in Osoyro, 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 Osoyro, September typically receives around 307 mm (12.1 inches) of precipitation spread over approximately 18 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 Osoyro

In Osoyro in September, humidity is 93%. With an average temperature of 12°C (54°F), this humidity feels like a dense blanket wrapping around you, making every outdoor excursion feel heavier and more exhausting than it truly is, turning sightseeing into a test of endurance.

September Average Humidity in Osoyro

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

In Osoyro 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 Osoyro for better planning.

Maximum UV Index Levels in Osoyro for September

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

Data source: Osoyro 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 Osoyro Compares to Other Months

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

This table compares monthly weather conditions in Osoyro, 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)	198 mm (7.8 inches)	98%	low
February Weather	1°C (35°F)	206 mm (8.1 inches)	96%	low
March Weather	3°C (38°F)	208 mm (8.2 inches)	94%	moderate
April Weather	6°C (44°F)	128 mm (5.1 inches)	89%	moderate
May Weather	10°C (51°F)	96 mm (3.8 inches)	86%	moderate
June Weather	14°C (58°F)	167 mm (6.6 inches)	83%	high
July Weather	15°C (60°F)	164 mm (6.5 inches)	87%	high
August Weather	15°C (59°F)	267 mm (10.5 inches)	91%	moderate
September Weather	12°C (54°F)	307 mm (12.1 inches)	93%	moderate
October Weather	8°C (47°F)	348 mm (13.7 inches)	95%	low
November Weather	5°C (41°F)	237 mm (9.3 inches)	97%	low
December Weather	2°C (37°F)	249 mm (9.8 inches)	97%	low