September Weather in Arta, Spain

Last updated: August 27, 2025

In September, the average temperature in Arta, Spain is a pleasant 24°C (75°F). Expect comfortable warmth with minimum temperatures dipping to 15°C (60°F) and highs reaching up to 31°C (87°F). However, be prepared for some rain, as 77 mm (3.0 in) of precipitation is expected over 11 days, along with an average humidity of 77%.

September Temperature in Arta

In September in Arta, the average temperature is 24°C (75°F). Maximums can reach up to 31°C (87°F), while minimums can drop as low as 15°C (60°F). This pleasant climate makes it an ideal time to explore the outdoor attractions and enjoy the vibrant local culture.

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

The chart illustrates September temperature patterns in Arta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arta, September typically has an average temperature of 24°C (75°F), with highs reaching up to 31°C (87°F) and lows dropping to around 15°C (60°F).

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

September Precipitation in Arta

In Arta in September, the precipitation amount is 77 mm (3.0 in) over the course of 11 days.

September Precipitation Trends in Arta

The chart displays monthly precipitation patterns in Arta, 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 Arta, September typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 11 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 Arta

In Arta in September humidity is 77%. With an average temperature of 24°C (75°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel stifling and may require frequent breaks to stay hydrated while exploring.

September Average Humidity in Arta

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

In Arta 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 Arta.

Maximum UV Index Levels in Arta for September

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

Data source: Arta 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 Arta Compares to Other Months

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

This table compares monthly weather conditions in Arta, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (53°F)	63 mm (2.5 inches)	76%	moderate
February Weather	12°C (55°F)	29 mm (1.1 inches)	73%	moderate
March Weather	14°C (57°F)	37 mm (1.5 inches)	76%	high
April Weather	15°C (60°F)	50 mm (2.0 inches)	79%	very high
May Weather	19°C (66°F)	37 mm (1.4 inches)	79%	very high
June Weather	23°C (74°F)	28 mm (1.1 inches)	82%	very high
July Weather	26°C (80°F)	8 mm (0.3 inches)	84%	very high
August Weather	27°C (80°F)	18 mm (0.7 inches)	81%	very high
September Weather	24°C (75°F)	77 mm (3.0 inches)	77%	very high
October Weather	20°C (68°F)	71 mm (2.8 inches)	78%	high
November Weather	16°C (60°F)	84 mm (3.3 inches)	73%	moderate
December Weather	13°C (56°F)	43 mm (1.7 inches)	73%	low