September Weather in Sunndalsora, Norway

Last updated: August 27, 2025

In September, the average temperature in Sunndalsora, Norway hovers around 9°C (48°F), creating a crisp yet inviting atmosphere. Expect minimums of -1°C (31°F) and maximums reaching up to 20°C (69°F), perfect for layering up or enjoying a sunny afternoon. With precipitation measuring 154 mm (6.1 in) over 19 days, it's wise to keep an umbrella handy. The high average humidity of 89% adds a touch of moisture to the air, contributing to the overall charm of this season.

September Temperature in Sunndalsora

In September in Sunndalsora, the average temperature is 9°C (48°F), with maximums reaching 20°C (69°F) and minimums dropping as low as -1°C (31°F). This makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates September temperature patterns in Sunndalsora, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunndalsora, September typically has an average temperature of 9°C (48°F), with highs reaching up to 20°C (69°F) and lows dropping to around -1°C (31°F).

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

September Precipitation in Sunndalsora

In Sunndalsora in September, the precipitation amount is 154 mm (6.1 in) during 19 days, indicating a relatively wet period for that time of year.

September Precipitation Trends in Sunndalsora

The chart displays monthly precipitation patterns in Sunndalsora, 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 Sunndalsora, September typically receives around 154 mm (6.1 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 Sunndalsora

In Sunndalsora in September humidity is 89%. With an average temperature of 9°C (48°F), this humidity feels like a chill that lingers in the air, wrapping around you like a damp blanket, making outdoor activities challenging and encouraging a cozy retreat indoors.

September Average Humidity in Sunndalsora

This chart illustrates the average monthly humidity levels in Sunndalsora, 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 Sunndalsora is approximately 89%, 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 Sunndalsora

In Sunndalsora 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 Sunndalsora for better planning.

Maximum UV Index Levels in Sunndalsora for September

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

Data source: Sunndalsora 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 Sunndalsora Compares to Other Months

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

This table compares monthly weather conditions in Sunndalsora, 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)	140 mm (5.5 inches)	93%	low
February Weather	-3°C (27°F)	102 mm (4.0 inches)	92%	low
March Weather	-1°C (30°F)	143 mm (5.6 inches)	89%	moderate
April Weather	2°C (35°F)	144 mm (5.7 inches)	84%	moderate
May Weather	6°C (44°F)	104 mm (4.1 inches)	81%	high
June Weather	12°C (54°F)	131 mm (5.2 inches)	81%	high
July Weather	13°C (56°F)	152 mm (6.0 inches)	81%	high
August Weather	12°C (54°F)	176 mm (6.9 inches)	87%	moderate
September Weather	9°C (48°F)	154 mm (6.1 inches)	89%	moderate
October Weather	4°C (39°F)	184 mm (7.3 inches)	91%	low
November Weather	-1°C (30°F)	121 mm (4.8 inches)	92%	low
December Weather	-3°C (27°F)	154 mm (6.1 inches)	94%	low