September Weather in Barrancos, Portugal

Last updated: August 27, 2025

In September, the average temperature in Barrancos, Portugal hovers around 23°C (74°F). Expect a minimum drop to 9°C (48°F) and a peak that can reach up to 37°C (100°F). Throughout the month, a total precipitation of 22 mm (0.9 in) is likely, spread across 2 days. With an average humidity of 53%, the climate is sure to offer a comfortable experience for visitors.

September Temperature in Barrancos

In September in Barrancos, the average temperature is 23°C (74°F). Maximum temperatures can reach 37°C (100°F), while minimums can drop as low as 9°C (48°F). This variability makes it a great time for travelers to enjoy both warm days and cooler nights, so pack accordingly!

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

The chart illustrates September temperature patterns in Barrancos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barrancos, September typically has an average temperature of 23°C (74°F), with highs reaching up to 37°C (100°F) and lows dropping to around 9°C (48°F).

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

September Precipitation in Barrancos

In Barrancos in September, the precipitation amount is 22 mm (0.9 in) over a span of 2 days.

September Precipitation Trends in Barrancos

The chart displays monthly precipitation patterns in Barrancos, 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 Barrancos, September typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 2 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 Barrancos

In Barrancos in September, humidity is 53%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making it comfortable for exploring the sights while still requiring occasional breaks in the shade to stay refreshed.

September Average Humidity in Barrancos

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

In Barrancos 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 Barrancos.

Maximum UV Index Levels in Barrancos for September

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

Data source: Barrancos 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 Barrancos Compares to Other Months

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

This table compares monthly weather conditions in Barrancos, 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 (52°F)	46 mm (1.8 inches)	76%	moderate
March Weather	12°C (54°F)	86 mm (3.4 inches)	68%	high
April Weather	15°C (59°F)	67 mm (2.6 inches)	64%	very high
May Weather	19°C (67°F)	28 mm (1.1 inches)	62%	very high
June Weather	22°C (72°F)	10 mm (0.4 inches)	47%	extreme
July Weather	25°C (78°F)	2 mm (0.1 inches)	46%	very high
August Weather	26°C (79°F)	4 mm (0.2 inches)	42%	very high
September Weather	23°C (74°F)	22 mm (0.9 inches)	53%	very high
October Weather	19°C (66°F)	55 mm (2.2 inches)	69%	high
November Weather	13°C (55°F)	58 mm (2.3 inches)	85%	moderate
December Weather	10°C (51°F)	64 mm (2.5 inches)	87%	moderate