September Weather in Illar, Spain

Last updated: August 27, 2025

In September, the average temperature in Illar, Spain is a pleasant 21°C (70°F), with a minimum of 11°C (51°F) and a maximum soaring to 34°C (93°F). Expect a moderate 41 mm (1.6 in) of precipitation over about 6 days, making it essential to carry an umbrella. The average humidity sits at a comfortable 61%, ensuring a balanced and enjoyable climate for your adventures!

September Temperature in Illar

In September in Illar, the average temperature is 21°C (70°F), with maximums reaching 34°C (93°F) and minimums dipping as low as 11°C (51°F). This pleasant weather makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Illar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Illar, September typically has an average temperature of 21°C (70°F), with highs reaching up to 34°C (93°F) and lows dropping to around 11°C (51°F).

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

September Precipitation in Illar

In Illar in September, the precipitation amount is 41 mm (1.6 in) over the course of 6 days.

September Precipitation Trends in Illar

The chart displays monthly precipitation patterns in Illar, 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 Illar, September typically receives around 41 mm (1.6 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 Illar

In Illar in September humidity is 61%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace that can leave travelers feeling a bit sticky, but with the right clothing and hydration, exploring the sights can still be quite enjoyable.

September Average Humidity in Illar

This chart illustrates the average monthly humidity levels in Illar, 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 Illar is approximately 61%, 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 Illar

In Illar in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Illar.

Maximum UV Index Levels in Illar for September

The chart shows the monthly maximum UV Index (UVI) for Illar 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 Illar typically reaches 9, which falls under the very high exposure category.

Data source: Illar 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 Illar Compares to Other Months

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

This table compares monthly weather conditions in Illar, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	31 mm (1.2 inches)	76%	moderate
February Weather	10°C (49°F)	21 mm (0.8 inches)	71%	moderate
March Weather	11°C (51°F)	59 mm (2.3 inches)	66%	high
April Weather	13°C (55°F)	63 mm (2.5 inches)	58%	very high
May Weather	18°C (64°F)	39 mm (1.5 inches)	55%	extreme
June Weather	22°C (72°F)	11 mm (0.4 inches)	50%	extreme
July Weather	26°C (78°F)	5 mm (0.2 inches)	55%	extreme
August Weather	25°C (78°F)	21 mm (0.8 inches)	54%	very high
September Weather	21°C (70°F)	41 mm (1.6 inches)	61%	very high
October Weather	16°C (61°F)	42 mm (1.7 inches)	70%	high
November Weather	11°C (52°F)	34 mm (1.3 inches)	76%	moderate
December Weather	9°C (48°F)	19 mm (0.7 inches)	79%	moderate