September Weather in Indre Arna, Norway

Last updated: August 27, 2025

In September, the average temperature in Indre Arna, Norway hovers around 11°C (53°F), with a minimum dipping to 3°C (38°F) and a maximum peaking at 21°C (70°F). Expect about 332 mm (13.1 in) of precipitation over 18 days, contributing to an average humidity level of 93%. Be prepared for a chilly and wet month!

September Temperature in Indre Arna

In September in Indre Arna, the average temperature is 11°C (53°F). The maximum can reach 21°C (70°F) and the minimum can be as low as 3°C (38°F). This mild climate makes it a pleasant time for travel, perfect for outdoor activities and exploring the local sights.

September Weather in Indre Arna: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Indre Arna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Indre Arna, September typically has an average temperature of 11°C (53°F), with highs reaching up to 21°C (70°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Indre Arna

In Indre Arna in September, the total precipitation amount is 332 mm (13.1 in), recorded over a span of 18 days.

September Precipitation Trends in Indre Arna

The chart displays monthly precipitation patterns in Indre Arna, 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 Indre Arna, September typically receives around 332 mm (13.1 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 Indre Arna

In Indre Arna in September humidity is 93%. With an average temperature of 11°C (53°F), this humidity feels like a wet blanket enveloping you, making even the simplest of activities feel exhausting and stifling for traveling.

September Average Humidity in Indre Arna

This chart illustrates the average monthly humidity levels in Indre Arna, 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 Indre Arna 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 Indre Arna

In Indre Arna 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 Indre Arna for better planning.

Maximum UV Index Levels in Indre Arna for September

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

Data source: Indre Arna 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 Indre Arna Compares to Other Months

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

This table compares monthly weather conditions in Indre Arna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	1°C (35°F)	222 mm (8.8 inches)	98%	low
February Weather	1°C (34°F)	219 mm (8.6 inches)	96%	low
March Weather	3°C (37°F)	226 mm (8.9 inches)	94%	moderate
April Weather	6°C (42°F)	136 mm (5.4 inches)	89%	moderate
May Weather	9°C (49°F)	94 mm (3.7 inches)	86%	moderate
June Weather	13°C (56°F)	174 mm (6.8 inches)	83%	high
July Weather	15°C (58°F)	168 mm (6.6 inches)	87%	high
August Weather	14°C (58°F)	255 mm (10.0 inches)	91%	moderate
September Weather	11°C (53°F)	332 mm (13.1 inches)	93%	moderate
October Weather	8°C (46°F)	363 mm (14.3 inches)	95%	low
November Weather	4°C (40°F)	251 mm (9.9 inches)	97%	low
December Weather	2°C (36°F)	256 mm (10.1 inches)	97%	low