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September Weather in Bandeiras, Portugal

Last updated: August 27, 2025

In September, the average temperature in Bandeiras, Portugal is a pleasant 22°C (71°F). Expect a minimum of 19°C (66°F) and a maximum of 24°C (76°F), creating a comfortable atmosphere. However, be prepared for some rain, with an average precipitation of 55 mm (2.2 in) over 11 days. Humidity is notably high at 83%, adding a touch of tropical warmth to the air.

September Temperature in Bandeiras

In September in Bandeiras, the average temperature is 22°C (71°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop to as low as 19°C (66°F). This pleasant climate makes Bandeiras an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Bandeiras, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bandeiras, September typically has an average temperature of 22°C (71°F), with highs reaching up to 24°C (76°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec605959596165697271686462
Data source: Temperature data for Bandeiras generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Bandeiras

In Bandeiras, in September, the total precipitation amount is 55 mm (2.2 in) over the course of 11 days.

September Precipitation Trends in Bandeiras

The chart displays monthly precipitation patterns in Bandeiras, 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 Bandeiras, September typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec92816176633925535577130116
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Bandeiras

In Bandeiras in September humidity is 83%. With an average temperature of 22°C (71°F), this humidity feels like a warm blanket wrapping around you, making travel a bit sticky but still enjoyable, as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Bandeiras

This chart illustrates the average monthly humidity levels in Bandeiras, 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 Bandeiras is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%85%85%83%85%86%83%83%79%80%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bandeiras

In Bandeiras 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 Bandeiras.

Maximum UV Index Levels in Bandeiras for September

The chart shows the monthly maximum UV Index (UVI) for Bandeiras 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 Bandeiras typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110109743
Data source: Bandeiras 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 Bandeiras Compares to Other Months

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

This table compares monthly weather conditions in Bandeiras, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)92 mm (3.6 inches)84%moderate
February Weather15°C (59°F)81 mm (3.2 inches)83%moderate
March Weather15°C (59°F)61 mm (2.4 inches)85%high
April Weather15°C (60°F)76 mm (3.0 inches)85%very high
May Weather16°C (62°F)63 mm (2.5 inches)83%very high
June Weather19°C (66°F)39 mm (1.5 inches)85%extreme
July Weather21°C (70°F)25 mm (1.0 inches)86%very high
August Weather22°C (72°F)53 mm (2.1 inches)83%very high
September Weather22°C (71°F)55 mm (2.2 inches)83%very high
October Weather20°C (68°F)77 mm (3.0 inches)79%high
November Weather18°C (65°F)130 mm (5.1 inches)80%moderate
December Weather17°C (62°F)115 mm (4.5 inches)85%moderate

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