September Weather in Bloenduos, Iceland

Last updated: August 23, 2025

In September, the average temperature in Bloenduos, Iceland hovers around 8°C (46°F). Expect chilly nights with minimum temperatures dipping to -1°C (30°F), while daytime highs can reach a comfortable 16°C (62°F). Be prepared for wet weather, with 170 mm (6.7 in) of precipitation spread across 20 days, and the air remains quite humid, averaging 92%.

September Temperature in Bloenduos

In September in Bloenduos, the average temperature is 8°C (46°F). The maximum can reach 16°C (62°F), while the minimum can drop as low as -1°C (30°F). Be sure to pack layers to stay comfortable during your travels.

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

The chart illustrates September temperature patterns in Bloenduos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bloenduos, September typically has an average temperature of 8°C (46°F), with highs reaching up to 16°C (62°F) and lows dropping to around -1°C (30°F).

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

September Precipitation in Bloenduos

In Bloenduos in September, the precipitation amount reaches 170 mm (6.7 in) over a period of 20 days.

September Precipitation Trends in Bloenduos

The chart displays monthly precipitation patterns in Bloenduos, 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 Bloenduos, September typically receives around 170 mm (6.7 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 Bloenduos

In Bloenduos in September, humidity is 92%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that settles deep into your bones, making outdoor adventures uncomfortable and necessitating extra layers to stay warm while you explore.

September Average Humidity in Bloenduos

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

In Bloenduos 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 Bloenduos, you can check the information here.

Maximum UV Index Levels in Bloenduos for September

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

Data source: Bloenduos 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 Bloenduos Compares to Other Months

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

This table compares monthly weather conditions in Bloenduos, 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 (30°F)	83 mm (3.3 inches)	96%	low
February Weather	-1°C (30°F)	83 mm (3.3 inches)	95%	low
March Weather	0°C (32°F)	77 mm (3.0 inches)	94%	low
April Weather	2°C (36°F)	68 mm (2.7 inches)	87%	moderate
May Weather	5°C (41°F)	57 mm (2.3 inches)	85%	moderate
June Weather	8°C (46°F)	72 mm (2.8 inches)	81%	high
July Weather	10°C (50°F)	79 mm (3.1 inches)	86%	moderate
August Weather	10°C (50°F)	80 mm (3.1 inches)	88%	moderate
September Weather	8°C (46°F)	170 mm (6.7 inches)	92%	moderate
October Weather	4°C (40°F)	109 mm (4.3 inches)	93%	low
November Weather	1°C (34°F)	87 mm (3.4 inches)	94%	low
December Weather	-1°C (31°F)	101 mm (4.0 inches)	95%	low