September Weather in Branca, Portugal

Last updated: August 27, 2025

In Branca, Portugal, the average temperature in September is a pleasant 20°C (68°F). Expect a bit of variety, with temperatures dipping to a minimum of 9°C (49°F) and soaring to a maximum of 35°C (95°F). During this month, precipitation tends to amount to about 46 mm (1.8 in) over 6 days, while the atmosphere maintains a comfortable average humidity of 71%.

September Temperature in Branca

In September in Branca, the average temperature is 20°C (68°F). Maximums can reach 35°C (95°F), while minimums can drop as low as 9°C (49°F). This variation in temperature makes it an ideal time for travelers to prepare for both warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Branca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Branca, September typically has an average temperature of 20°C (68°F), with highs reaching up to 35°C (95°F) and lows dropping to around 9°C (49°F).

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

September Precipitation in Branca

In Branca in September, the precipitation amount is 46 mm (1.8 in) over a span of 6 days.

September Precipitation Trends in Branca

The chart displays monthly precipitation patterns in Branca, 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 Branca, September typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 6 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 Branca

In Branca in September, humidity is 71%. With an average temperature of 20°C (68°F), this humidity feels like a warm, moist embrace that can quickly lead to discomfort for travelers. The air clings to your skin, making even short walks feel more strenuous, while reaching for a refreshing drink becomes essential to stay hydrated.

September Average Humidity in Branca

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

In Branca 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 Branca.

Maximum UV Index Levels in Branca for September

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

Data source: Branca 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 Branca Compares to Other Months

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

This table compares monthly weather conditions in Branca, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (48°F)	88 mm (3.5 inches)	87%	low
February Weather	11°C (52°F)	134 mm (5.3 inches)	81%	moderate
March Weather	12°C (54°F)	141 mm (5.6 inches)	78%	high
April Weather	14°C (57°F)	144 mm (5.7 inches)	79%	very high
May Weather	17°C (62°F)	80 mm (3.1 inches)	78%	very high
June Weather	18°C (65°F)	52 mm (2.0 inches)	71%	extreme
July Weather	20°C (69°F)	21 mm (0.8 inches)	63%	very high
August Weather	21°C (69°F)	18 mm (0.7 inches)	64%	very high
September Weather	20°C (68°F)	46 mm (1.8 inches)	71%	very high
October Weather	16°C (62°F)	113 mm (4.5 inches)	79%	high
November Weather	12°C (54°F)	161 mm (6.4 inches)	86%	moderate
December Weather	10°C (51°F)	187 mm (7.3 inches)	87%	low