September Weather in Roald, Norway

Last updated: August 27, 2025

In September, the average temperature in Roald, Norway is a mild 12°C (54°F), with fluctuations ranging from a minimum of 5°C (42°F) to a comfortable maximum of 18°C (65°F). Expect a fair amount of rain, with precipitation totaling 304 mm (12.0 in) over 20 days, contributing to an average humidity level of 87%.

September Temperature in Roald

In September in Roald, the average temperature is 12°C (54°F). The maximum can reach 18°C (65°F), while the minimum can be as low as 5°C (42°F). It's a great time for travelers to enjoy mild weather, making outdoor activities comfortable and enjoyable.

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

The chart illustrates September temperature patterns in Roald, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roald, September typically has an average temperature of 12°C (54°F), with highs reaching up to 18°C (65°F) and lows dropping to around 5°C (42°F).

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

September Precipitation in Roald

In Roald in September, the precipitation amount is 304 mm (12.0 in) over the course of 20 days.

September Precipitation Trends in Roald

The chart displays monthly precipitation patterns in Roald, 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 Roald, September typically receives around 304 mm (12.0 inches) of precipitation spread over approximately 20 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 Roald

In Roald in September humidity is 87%. With an average temperature of 12°C (54°F), this humidity feels like a damp embrace, making it quite uncomfortable for traveling, as the air feels heavy and can quickly sap your energy as you explore the sights.

September Average Humidity in Roald

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

In Roald 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 Roald for better planning.

Maximum UV Index Levels in Roald for September

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

Data source: Roald 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 Roald Compares to Other Months

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

This table compares monthly weather conditions in Roald, 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 (38°F)	181 mm (7.1 inches)	85%	low
February Weather	3°C (37°F)	143 mm (5.6 inches)	84%	low
March Weather	3°C (38°F)	159 mm (6.3 inches)	84%	low
April Weather	5°C (41°F)	138 mm (5.4 inches)	84%	moderate
May Weather	8°C (46°F)	93 mm (3.7 inches)	84%	moderate
June Weather	11°C (53°F)	99 mm (3.9 inches)	83%	high
July Weather	13°C (56°F)	112 mm (4.4 inches)	86%	high
August Weather	14°C (57°F)	162 mm (6.4 inches)	87%	moderate
September Weather	12°C (54°F)	304 mm (12.0 inches)	87%	moderate
October Weather	9°C (48°F)	300 mm (11.8 inches)	87%	low
November Weather	6°C (43°F)	215 mm (8.5 inches)	87%	low
December Weather	4°C (39°F)	205 mm (8.1 inches)	84%	low