September Weather in Alegrete, Portugal

Last updated: August 27, 2025

In Alegrete, Portugal, the average temperature in September hovers around 23°C (73°F), providing a comfortable climate for visitors. However, be prepared for temperature fluctuations, as the minimum can drop to 10°C (50°F) and the maximum can soar to 37°C (98°F). During this month, expect about a modest 31 mm (1.2 in) of precipitation spread over 4 days, alongside an average humidity level of 53%. Whether you're packing for a warm day or a cooler evening, this climate is sure to delight!

September Temperature in Alegrete

In September in Alegrete, the average temperature is 23°C (73°F). Maximums can reach 37°C (98°F) and minimums can be as low as 10°C (50°F). It's a great time to visit, as the weather offers a warm climate ideal for both outdoor activities and relaxation.

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

The chart illustrates September temperature patterns in Alegrete, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alegrete, September typically has an average temperature of 23°C (73°F), with highs reaching up to 37°C (98°F) and lows dropping to around 10°C (50°F).

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

September Precipitation in Alegrete

In Alegrete in September, the total precipitation amount is 31 mm (1.2 in) over a span of 4 days.

September Precipitation Trends in Alegrete

The chart displays monthly precipitation patterns in Alegrete, 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 Alegrete, September typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 4 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 Alegrete

In Alegrete in September, humidity is 53%. With an average temperature of 23°C (73°F), this humidity feels like a comfortable embrace, making it ideal for leisurely strolls or exploring the sights without feeling overwhelmed.

September Average Humidity in Alegrete

This chart illustrates the average monthly humidity levels in Alegrete, 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 Alegrete is approximately 53%, 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 Alegrete

In Alegrete 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 Alegrete.

Maximum UV Index Levels in Alegrete for September

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

Data source: Alegrete 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 Alegrete Compares to Other Months

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

This table compares monthly weather conditions in Alegrete, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	32 mm (1.3 inches)	87%	moderate
February Weather	11°C (51°F)	47 mm (1.9 inches)	76%	moderate
March Weather	12°C (54°F)	87 mm (3.4 inches)	68%	high
April Weather	14°C (58°F)	81 mm (3.2 inches)	64%	very high
May Weather	19°C (66°F)	41 mm (1.6 inches)	62%	very high
June Weather	22°C (71°F)	13 mm (0.5 inches)	47%	extreme
July Weather	25°C (77°F)	4 mm (0.2 inches)	46%	very high
August Weather	25°C (78°F)	7 mm (0.3 inches)	42%	very high
September Weather	23°C (73°F)	31 mm (1.2 inches)	53%	very high
October Weather	18°C (65°F)	51 mm (2.0 inches)	69%	high
November Weather	12°C (54°F)	72 mm (2.9 inches)	85%	moderate
December Weather	10°C (50°F)	69 mm (2.7 inches)	87%	moderate