September Weather in Almancil, Portugal

Last updated: August 27, 2025

In Almancil, Portugal, the average temperature in September is a pleasant 22°C (72°F). Expect a range that typically varies, with minimums dipping to 15°C (60°F) and maximums reaching 28°C (82°F). Although you may encounter 11 mm (0.4 in) of precipitation over just 1 day, the average humidity sits at a comfortable 71%.

September Temperature in Almancil

In September in Almancil, the average temperature is 22°C (72°F). Maximums can reach 28°C (82°F), and minimums can be as low as 15°C (60°F). This pleasant climate makes it an ideal destination for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Almancil, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Almancil, September typically has an average temperature of 22°C (72°F), with highs reaching up to 28°C (82°F) and lows dropping to around 15°C (60°F).

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

September Precipitation in Almancil

In Almancil in September, the precipitation amount is 11 mm (0.4 in) over the course of one day.

September Precipitation Trends in Almancil

The chart displays monthly precipitation patterns in Almancil, 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 Almancil, September typically receives around 11 mm (0.4 inches) of precipitation spread over approximately 1 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 Almancil

In Almancil in September humidity is 71%. With an average temperature of 22°C (72°F), this humidity feels like the air is thick and slightly stifling, making outdoor activities require frequent breaks to stay hydrated and cool.

September Average Humidity in Almancil

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

In Almancil 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 Almancil.

Maximum UV Index Levels in Almancil for September

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

Data source: Almancil 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 Almancil Compares to Other Months

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

This table compares monthly weather conditions in Almancil, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (56°F)	27 mm (1.1 inches)	80%	moderate
February Weather	14°C (57°F)	46 mm (1.8 inches)	73%	moderate
March Weather	14°C (58°F)	74 mm (2.9 inches)	71%	high
April Weather	15°C (60°F)	54 mm (2.1 inches)	69%	very high
May Weather	18°C (65°F)	16 mm (0.6 inches)	69%	very high
June Weather	20°C (68°F)	4 mm (0.1 inches)	67%	extreme
July Weather	22°C (72°F)	2 mm (0.1 inches)	69%	very high
August Weather	23°C (73°F)	1 mm (0.0 inches)	68%	very high
September Weather	22°C (72°F)	11 mm (0.4 inches)	71%	very high
October Weather	20°C (68°F)	28 mm (1.1 inches)	75%	high
November Weather	16°C (62°F)	56 mm (2.2 inches)	78%	moderate
December Weather	15°C (58°F)	47 mm (1.9 inches)	81%	moderate