September Weather in Nordurthing, Iceland

Last updated: August 23, 2025

In Nordurthing, Iceland, the average temperature in September hovers around 7°C (46°F), with lows dipping to a frosty -3°C (28°F) and highs reaching a mild 20°C (67°F). Expect about 140 mm (5.5 in) of precipitation spread over 19 days, contributing to an unmistakable average humidity of 99%. Prepare for a cool and damp atmosphere!

September Temperature in Nordurthing

In September in Nordurthing, the average temperature is 7°C (46°F). Maximums can reach 20°C (67°F) and minimums can be as low as -3°C (28°F). Be prepared for a mix of mild and cooler weather during your travels.

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

The chart illustrates September temperature patterns in Nordurthing, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nordurthing, September typically has an average temperature of 7°C (46°F), with highs reaching up to 20°C (67°F) and lows dropping to around -3°C (28°F).

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

September Precipitation in Nordurthing

In Nordurthing in September, the total precipitation amount is 140 mm (5.5 in) over the course of 19 days.

September Precipitation Trends in Nordurthing

The chart displays monthly precipitation patterns in Nordurthing, 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 Nordurthing, September typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 19 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 Nordurthing

In Nordurthing in September humidity is 99%. With an average temperature of 7°C (46°F), this humidity feels like trudging through a thick blanket of moisture that clings to your skin, making every step feel heavier and the air thick and suffocating, which can be quite uncomfortable for traveling.

September Average Humidity in Nordurthing

This chart illustrates the average monthly humidity levels in Nordurthing, 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 Nordurthing is approximately 99%, 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 Nordurthing

In Nordurthing in September, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Nordurthing, you can check the information here.

Maximum UV Index Levels in Nordurthing for September

The chart shows the monthly maximum UV Index (UVI) for Nordurthing 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 Nordurthing typically reaches 3, which falls under the moderate exposure category.

Data source: Nordurthing 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 Nordurthing Compares to Other Months

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

This table compares monthly weather conditions in Nordurthing, 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 (29°F)	92 mm (3.6 inches)	97%	low
February Weather	-1°C (30°F)	92 mm (3.6 inches)	97%	low
March Weather	-1°C (31°F)	85 mm (3.3 inches)	97%	low
April Weather	2°C (35°F)	64 mm (2.5 inches)	93%	moderate
May Weather	5°C (41°F)	56 mm (2.2 inches)	92%	moderate
June Weather	8°C (47°F)	83 mm (3.3 inches)	96%	high
July Weather	11°C (51°F)	90 mm (3.5 inches)	102%	moderate
August Weather	10°C (50°F)	89 mm (3.5 inches)	102%	moderate
September Weather	7°C (46°F)	140 mm (5.5 inches)	99%	moderate
October Weather	3°C (38°F)	143 mm (5.6 inches)	99%	low
November Weather	0°C (32°F)	109 mm (4.3 inches)	97%	low
December Weather	-1°C (30°F)	126 mm (5.0 inches)	97%	low