September Weather in Aibar, Spain

Last updated: August 27, 2025

In September, the average temperature in Aibar, Spain hovers around 19°C (66°F). Don’t be surprised by the temperature fluctuations; it can dip to a cool 5°C (41°F) or soar up to a sweltering 33°C (92°F). During this month, expect about 49 mm (1.9 in) of precipitation over 6 days, with an average humidity of 75%. Prepare for diverse weather, making it a unique time to experience all that Aibar has to offer!

September Temperature in Aibar

In September in Aibar, the average temperature is 19°C (66°F). The maximum can reach 33°C (92°F), while the minimum can drop as low as 5°C (41°F). This makes it a perfect time for travelers to enjoy a variety of outdoor activities, so be sure to pack accordingly!

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

The chart illustrates September temperature patterns in Aibar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aibar, September typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 5°C (41°F).

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

September Precipitation in Aibar

In Aibar in September, the precipitation amount is 49 mm (1.9 in) over the course of 6 days.

September Precipitation Trends in Aibar

The chart displays monthly precipitation patterns in Aibar, 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 Aibar, September typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 6 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 Aibar

In Aibar in September humidity is 75%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it slightly uncomfortable for traveling as you navigate through the thick, muggy air.

September Average Humidity in Aibar

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

In Aibar in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Aibar.

Maximum UV Index Levels in Aibar for September

The chart shows the monthly maximum UV Index (UVI) for Aibar 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 Aibar typically reaches 8, which falls under the very high exposure category.

Data source: Aibar 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 Aibar Compares to Other Months

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

This table compares monthly weather conditions in Aibar, 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)	64 mm (2.5 inches)	86%	moderate
February Weather	7°C (45°F)	52 mm (2.1 inches)	85%	moderate
March Weather	9°C (48°F)	73 mm (2.9 inches)	82%	moderate
April Weather	11°C (53°F)	91 mm (3.6 inches)	81%	very high
May Weather	16°C (60°F)	68 mm (2.7 inches)	80%	very high
June Weather	20°C (68°F)	60 mm (2.4 inches)	81%	extreme
July Weather	23°C (73°F)	21 mm (0.8 inches)	80%	very high
August Weather	23°C (73°F)	34 mm (1.3 inches)	76%	very high
September Weather	19°C (66°F)	49 mm (1.9 inches)	75%	very high
October Weather	14°C (57°F)	62 mm (2.4 inches)	81%	high
November Weather	8°C (47°F)	84 mm (3.3 inches)	85%	moderate
December Weather	6°C (43°F)	88 mm (3.5 inches)	87%	low