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September Weather in Eyrarbakki, Iceland

Last updated: August 23, 2025

In September, the average temperature in Eyrarbakki, Iceland hovers around 9°C (49°F). You can expect a minimum of 2°C (35°F) and a maximum of 14°C (57°F). During this period, precipitation totals about 210 mm (8.3 in) over 21 days, contributing to an average humidity level of 87%. Be prepared for a mix of cool conditions and frequent rain!

September Temperature in Eyrarbakki

In September in Eyrarbakki, the average temperature is 9°C (49°F). Maximums can reach 14°C (57°F), and minimums can be as low as 2°C (35°F). Travelers should prepare for cool weather and bring layers to stay comfortable during their visit.

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

The chart illustrates September temperature patterns in Eyrarbakki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Eyrarbakki, September typically has an average temperature of 9°C (49°F), with highs reaching up to 14°C (57°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec353637414449525248433936
Data source: Temperature data for Eyrarbakki generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Eyrarbakki

In Eyrarbakki in September, the precipitation amount is 210 mm (8.3 in) over the course of 21 days.

September Precipitation Trends in Eyrarbakki

The chart displays monthly precipitation patterns in Eyrarbakki, 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 Eyrarbakki, September typically receives around 210 mm (8.3 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec15417713315914097104113210147150162
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Eyrarbakki

In Eyrarbakki in September humidity is 87%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making travel uncomfortable and leaving you yearning for a dry breeze to refresh your spirit.

September Average Humidity in Eyrarbakki

This chart illustrates the average monthly humidity levels in Eyrarbakki, 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 Eyrarbakki is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%85%81%83%82%86%87%87%88%85%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Eyrarbakki

In Eyrarbakki 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 Eyrarbakki, you can check the information here.

Maximum UV Index Levels in Eyrarbakki for September

The chart shows the monthly maximum UV Index (UVI) for Eyrarbakki 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 Eyrarbakki typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112356643211
Data source: Eyrarbakki 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 Eyrarbakki Compares to Other Months

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

This table compares monthly weather conditions in Eyrarbakki, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)154 mm (6.1 inches)84%low
February Weather2°C (36°F)177 mm (7.0 inches)82%low
March Weather3°C (37°F)133 mm (5.2 inches)85%low
April Weather5°C (41°F)159 mm (6.3 inches)81%moderate
May Weather7°C (44°F)140 mm (5.5 inches)83%moderate
June Weather9°C (49°F)97 mm (3.8 inches)82%high
July Weather11°C (52°F)103 mm (4.1 inches)86%high
August Weather11°C (53°F)113 mm (4.4 inches)87%moderate
September Weather9°C (49°F)210 mm (8.3 inches)87%moderate
October Weather6°C (44°F)147 mm (5.8 inches)88%low
November Weather4°C (39°F)150 mm (5.9 inches)85%low
December Weather2°C (37°F)162 mm (6.4 inches)84%low

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