September Weather in Serpa, Portugal

Last updated: August 27, 2025

In Serpa, Portugal, the average temperature in September hovers around 24°C (75°F), making it a pleasant time to explore. However, temperatures can swing from a cool 11°C (51°F) to a sweltering 38°C (100°F). Expect a modest precipitation amount of 28 mm (1.1 in) spread over 2 days, while average humidity sits at a comfortable 71%. Ideal conditions await you in this vibrant locale!

September Temperature in Serpa

In September in Serpa, the average temperature is 24°C (75°F). Maximums can reach 38°C (100°F), while minimums can drop as low as 11°C (51°F). This makes it an ideal time for travelers who enjoy warm weather but should be prepared for a range of temperatures.

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

The chart illustrates September temperature patterns in Serpa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Serpa, September typically has an average temperature of 24°C (75°F), with highs reaching up to 38°C (100°F) and lows dropping to around 11°C (51°F).

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

September Precipitation in Serpa

In Serpa in September, the total precipitation amount is 28 mm (1.1 in) over the course of 2 days.

September Precipitation Trends in Serpa

The chart displays monthly precipitation patterns in Serpa, 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 Serpa, September typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 2 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 Serpa

In Serpa in September, humidity is 71%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making outdoor activities for traveling both refreshing and sometimes a bit stifling, prompting travelers to seek shaded spots or refreshing drinks while exploring.

September Average Humidity in Serpa

This chart illustrates the average monthly humidity levels in Serpa, 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 Serpa is approximately 71%, 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 Serpa

In Serpa 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 Serpa.

Maximum UV Index Levels in Serpa for September

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

Data source: Serpa 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 Serpa Compares to Other Months

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

This table compares monthly weather conditions in Serpa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	27 mm (1.1 inches)	80%	moderate
February Weather	12°C (54°F)	40 mm (1.6 inches)	73%	moderate
March Weather	13°C (56°F)	81 mm (3.2 inches)	71%	high
April Weather	15°C (60°F)	63 mm (2.5 inches)	69%	very high
May Weather	20°C (68°F)	28 mm (1.1 inches)	69%	very high
June Weather	22°C (72°F)	9 mm (0.3 inches)	67%	extreme
July Weather	25°C (77°F)	2 mm (0.1 inches)	69%	extreme
August Weather	26°C (79°F)	2 mm (0.1 inches)	68%	very high
September Weather	24°C (75°F)	28 mm (1.1 inches)	71%	very high
October Weather	19°C (67°F)	46 mm (1.8 inches)	75%	high
November Weather	14°C (57°F)	57 mm (2.3 inches)	78%	moderate
December Weather	11°C (53°F)	51 mm (2.0 inches)	81%	moderate