September Weather in Ona, Spain

Last updated: August 27, 2025

In September, the average temperature in Ona, Spain is a pleasant 17°C (62°F). Temperatures can vary, with minimums dipping to 3°C (38°F) and maximums reaching a sweltering 32°C (91°F). Expect some rain, as the area sees about 38 mm (1.5 in) of precipitation over 9 days, contributing to an average humidity of 77%. Stay prepared for varied weather while enjoying the charm of Ona!

September Temperature in Ona

In September in Ona, the average temperature is 17°C (62°F), with maximums reaching 32°C (91°F) and minimums dropping as low as 3°C (38°F). This offers travelers a pleasant climate, perfect for exploring and enjoying outdoor activities.

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

The chart illustrates September temperature patterns in Ona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ona, September typically has an average temperature of 17°C (62°F), with highs reaching up to 32°C (91°F) and lows dropping to around 3°C (38°F).

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

September Precipitation in Ona

In Ona in September, the total precipitation amount is 38 mm (1.5 in) spread over a duration of 9 days.

September Precipitation Trends in Ona

The chart displays monthly precipitation patterns in Ona, 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 Ona, September typically receives around 38 mm (1.5 inches) of precipitation spread over approximately 9 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 Ona

In Ona in September humidity is 77%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, creating a lush, almost tropical atmosphere that can be quite stifling for traveling, making it essential to stay hydrated and take frequent breaks in the shade.

September Average Humidity in Ona

This chart illustrates the average monthly humidity levels in Ona, 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 Ona is approximately 77%, 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 Ona

In Ona 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 Ona.

Maximum UV Index Levels in Ona for September

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

Data source: Ona 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 Ona Compares to Other Months

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

This table compares monthly weather conditions in Ona, 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 (39°F)	54 mm (2.1 inches)	85%	low
February Weather	6°C (44°F)	54 mm (2.1 inches)	83%	moderate
March Weather	8°C (46°F)	58 mm (2.3 inches)	82%	high
April Weather	10°C (50°F)	78 mm (3.1 inches)	81%	very high
May Weather	13°C (56°F)	55 mm (2.2 inches)	81%	very high
June Weather	17°C (62°F)	69 mm (2.7 inches)	83%	extreme
July Weather	19°C (66°F)	38 mm (1.5 inches)	87%	very high
August Weather	19°C (66°F)	30 mm (1.2 inches)	82%	very high
September Weather	17°C (62°F)	38 mm (1.5 inches)	77%	very high
October Weather	13°C (55°F)	61 mm (2.4 inches)	80%	high
November Weather	8°C (46°F)	73 mm (2.9 inches)	83%	moderate
December Weather	6°C (43°F)	63 mm (2.5 inches)	85%	low