September Weather in Fludir, Iceland

Last updated: August 23, 2025

In September, the average temperature in Fludir, Iceland hovers around 7°C (45°F). Expect a chilly range with minimums plunging to -5°C (23°F) and maximums peaking at 15°C (60°F). The month is marked by significant precipitation, totaling 212 mm (8.3 in) spread over 21 days, and the air remains notably humid with an average of 92%. Prepare accordingly!

September Temperature in Fludir

In September in Fludir, the average temperature is 7°C (45°F). Maximums can reach 15°C (60°F), while minimums can drop as low as -5°C (23°F). Be prepared for a mix of cool and brisk weather, ideal for layering your travel attire while exploring the area.

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

The chart illustrates September temperature patterns in Fludir, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fludir, September typically has an average temperature of 7°C (45°F), with highs reaching up to 15°C (60°F) and lows dropping to around -5°C (23°F).

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

September Precipitation in Fludir

In Fludir in September, the precipitation amount is 212 mm (8.3 in) over the course of 21 days.

September Precipitation Trends in Fludir

The chart displays monthly precipitation patterns in Fludir, 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 Fludir, September typically receives around 212 mm (8.3 inches) of precipitation spread over approximately 21 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 Fludir

In Fludir in September, humidity is 92%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that clings to your skin, making outdoor activities feel heavier and less enjoyable for traveling.

September Average Humidity in Fludir

This chart illustrates the average monthly humidity levels in Fludir, 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 Fludir is approximately 92%, 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 Fludir

In Fludir 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 Fludir, you can check the information here.

Maximum UV Index Levels in Fludir for September

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

Data source: Fludir 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 Fludir Compares to Other Months

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

This table compares monthly weather conditions in Fludir, 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 (28°F)	157 mm (6.2 inches)	96%	low
February Weather	-1°C (30°F)	182 mm (7.2 inches)	95%	low
March Weather	-1°C (31°F)	138 mm (5.4 inches)	94%	low
April Weather	2°C (36°F)	134 mm (5.3 inches)	87%	moderate
May Weather	5°C (42°F)	127 mm (5.0 inches)	85%	moderate
June Weather	9°C (48°F)	104 mm (4.1 inches)	81%	high
July Weather	11°C (52°F)	105 mm (4.1 inches)	86%	high
August Weather	10°C (51°F)	109 mm (4.3 inches)	88%	moderate
September Weather	7°C (45°F)	212 mm (8.3 inches)	92%	moderate
October Weather	3°C (39°F)	110 mm (4.3 inches)	93%	low
November Weather	0°C (31°F)	136 mm (5.4 inches)	94%	low
December Weather	-1°C (30°F)	145 mm (5.7 inches)	95%	low