September Weather in Erroibar, Spain

Last updated: August 27, 2025

In Erroibar, Spain, the average temperature in September hovers around 17°C (62°F), with a minimum dipping to 4°C (39°F) and a maximum soaring to 32°C (89°F). Expect 76 mm (3.0 in) of precipitation over 12 days, contributing to an average humidity of 75%. Enjoy the diverse climate while you explore!

September Temperature in Erroibar

In September in Erroibar, the average temperature is 17°C (62°F), with maximums reaching up to 32°C (89°F) and minimums dipping as low as 4°C (39°F). Be prepared for a range of temperatures when traveling during this month.

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

The chart illustrates September temperature patterns in Erroibar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Erroibar, September typically has an average temperature of 17°C (62°F), with highs reaching up to 32°C (89°F) and lows dropping to around 4°C (39°F).

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

September Precipitation in Erroibar

In Erroibar in September, the total precipitation amount is 76 mm (3.0 in), occurring over the course of 12 days.

September Precipitation Trends in Erroibar

The chart displays monthly precipitation patterns in Erroibar, 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 Erroibar, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 12 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 Erroibar

In Erroibar in September, humidity is 75%. With an average temperature of 17°C (62°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and a bit sluggish as they navigate the sights.

September Average Humidity in Erroibar

This chart illustrates the average monthly humidity levels in Erroibar, 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 Erroibar is approximately 75%, 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 Erroibar

In Erroibar in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Erroibar.

Maximum UV Index Levels in Erroibar for September

The chart shows the monthly maximum UV Index (UVI) for Erroibar 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 Erroibar typically reaches 7, which falls under the high exposure category.

Data source: Erroibar 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 Erroibar Compares to Other Months

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

This table compares monthly weather conditions in Erroibar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	111 mm (4.4 inches)	86%	low
February Weather	7°C (45°F)	95 mm (3.7 inches)	85%	moderate
March Weather	8°C (47°F)	112 mm (4.4 inches)	82%	high
April Weather	10°C (51°F)	113 mm (4.5 inches)	81%	high
May Weather	14°C (57°F)	112 mm (4.4 inches)	80%	very high
June Weather	17°C (63°F)	115 mm (4.5 inches)	81%	very high
July Weather	19°C (66°F)	75 mm (2.9 inches)	80%	very high
August Weather	19°C (66°F)	88 mm (3.5 inches)	76%	very high
September Weather	17°C (62°F)	76 mm (3.0 inches)	75%	high
October Weather	13°C (55°F)	101 mm (4.0 inches)	81%	moderate
November Weather	8°C (46°F)	134 mm (5.3 inches)	85%	moderate
December Weather	6°C (43°F)	163 mm (6.4 inches)	87%	low