September Weather in Amares, Portugal

Last updated: August 27, 2025

In Amares, Portugal, the average temperature in September hovers around 18°C (64°F), providing a comfortable atmosphere. The range can vary significantly, with minimums dipping to 5°C (42°F) and maximums soaring to 32°C (89°F). Expect around 66 mm (2.6 in) of precipitation spread over 7 days, contributing to an average humidity of 71%. Whether you're exploring or relaxing, this month promises a mix of weather experiences!

September Temperature in Amares

In September in Amares, the average temperature is 18°C (64°F). Maximums can reach 32°C (89°F) and minimums can be as low as 5°C (42°F). This is an ideal time for travelers who enjoy mild weather and are prepared for occasional fluctuations in temperature.

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

The chart illustrates September temperature patterns in Amares, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Amares, September typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (89°F) and lows dropping to around 5°C (42°F).

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

September Precipitation in Amares

In Amares in September, the precipitation amount is 66 mm (2.6 in) over a period of 7 days.

September Precipitation Trends in Amares

The chart displays monthly precipitation patterns in Amares, 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 Amares, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 7 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 Amares

In Amares in September, humidity is 71%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making traveling a bit sticky but still pleasant as the warmth envelops you, urging you to explore the vibrant surroundings while staying hydrated.

September Average Humidity in Amares

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

In Amares 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 Amares.

Maximum UV Index Levels in Amares for September

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

Data source: Amares 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 Amares Compares to Other Months

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

This table compares monthly weather conditions in Amares, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	155 mm (6.1 inches)	87%	low
February Weather	8°C (47°F)	230 mm (9.1 inches)	81%	moderate
March Weather	9°C (49°F)	211 mm (8.3 inches)	78%	high
April Weather	11°C (53°F)	172 mm (6.8 inches)	79%	very high
May Weather	15°C (59°F)	123 mm (4.8 inches)	78%	very high
June Weather	17°C (62°F)	77 mm (3.0 inches)	71%	extreme
July Weather	19°C (67°F)	36 mm (1.4 inches)	63%	very high
August Weather	20°C (67°F)	39 mm (1.5 inches)	64%	very high
September Weather	18°C (64°F)	66 mm (2.6 inches)	71%	very high
October Weather	14°C (57°F)	173 mm (6.8 inches)	79%	high
November Weather	9°C (49°F)	232 mm (9.1 inches)	86%	moderate
December Weather	8°C (47°F)	299 mm (11.8 inches)	87%	low