September Weather in Montemor-o-Velho, Portugal

Last updated: August 27, 2025

In September, the average temperature in Montemor-o-Velho, Portugal is a pleasant 20°C (67°F), with a minimum of 11°C (52°F) and a maximum of 32°C (89°F). Expect 30 mm (1.2 in) of precipitation over about 3 days, accompanied by an average humidity of 71%. Whether you’re exploring or relaxing, this climate offers a comfortable experience!

September Temperature in Montemor-o-Velho

In September in Montemor-o-Velho, the average temperature is 20°C (67°F). Maximums can reach 32°C (89°F), while minimums can drop to as low as 11°C (52°F). This pleasant climate makes Montemor-o-Velho an ideal destination for outdoor activities and exploration during this time of year.

September Weather in Montemor-o-Velho: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Montemor-o-Velho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Montemor-o-Velho, September typically has an average temperature of 20°C (67°F), with highs reaching up to 32°C (89°F) and lows dropping to around 11°C (52°F).

Data source: Temperature data for Montemor-o-Velho generated using information from the Copernicus Climate Change Service.

September Precipitation in Montemor-o-Velho

In Montemor-o-Velho in September, the precipitation amount is 30 mm (1.2 in) over the course of 3 days.

September Precipitation Trends in Montemor-o-Velho

The chart displays monthly precipitation patterns in Montemor-o-Velho, 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 Montemor-o-Velho, September typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Montemor-o-Velho

In Montemor-o-Velho in September humidity is 71%. With an average temperature of 20°C (67°F), this humidity feels like a warm, enveloping embrace that can make outdoor activities feel a bit sticky, urging travelers to stay hydrated and seek shade during the hottest parts of the day.

September Average Humidity in Montemor-o-Velho

This chart illustrates the average monthly humidity levels in Montemor-o-Velho, 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 Montemor-o-Velho 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 Montemor-o-Velho

In Montemor-o-Velho 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 Montemor-o-Velho.

Maximum UV Index Levels in Montemor-o-Velho for September

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

Data source: Montemor-o-Velho 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 Montemor-o-Velho Compares to Other Months

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

This table compares monthly weather conditions in Montemor-o-Velho, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	63 mm (2.5 inches)	87%	moderate
February Weather	12°C (54°F)	85 mm (3.3 inches)	81%	moderate
March Weather	13°C (55°F)	103 mm (4.1 inches)	78%	high
April Weather	14°C (58°F)	104 mm (4.1 inches)	79%	very high
May Weather	17°C (63°F)	58 mm (2.3 inches)	78%	very high
June Weather	18°C (65°F)	29 mm (1.1 inches)	71%	very high
July Weather	20°C (68°F)	9 mm (0.4 inches)	63%	very high
August Weather	20°C (68°F)	9 mm (0.3 inches)	64%	very high
September Weather	20°C (67°F)	30 mm (1.2 inches)	71%	very high
October Weather	17°C (63°F)	90 mm (3.5 inches)	79%	high
November Weather	14°C (57°F)	122 mm (4.8 inches)	86%	moderate
December Weather	12°C (54°F)	110 mm (4.3 inches)	87%	low