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September Weather in Manteigas, Portugal

Last updated: August 27, 2025

In Manteigas, Portugal, the average temperature in September hovers around 19°C (66°F). Expect a range that dips as low as 7°C (45°F) and can peak at 33°C (92°F). You'll experience a moderate precipitation amount of 43 mm (1.7 in) over approximately 5 days, while the average humidity remains comfortably high at 71%. Perfect for enjoying the season's charm!

September Temperature in Manteigas

In September in Manteigas, the average temperature is 19°C (66°F). Maximum temperatures can reach 33°C (92°F), while the minimum can drop to as low as 7°C (45°F). This variation makes it a great time to explore outdoor activities while packing for fluctuating temperatures.

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

The chart illustrates September temperature patterns in Manteigas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Manteigas, September typically has an average temperature of 19°C (66°F), with highs reaching up to 33°C (92°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec424649536065717166594845
Data source: Temperature data for Manteigas 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 Manteigas

In Manteigas in September, the precipitation amount is 43 mm (1.7 in) over the course of 5 days.

September Precipitation Trends in Manteigas

The chart displays monthly precipitation patterns in Manteigas, 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 Manteigas, September typically receives around 43 mm (1.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec5084106105473713144377110106
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Manteigas

In Manteigas in September humidity is 71%. With an average temperature of 19°C (66°F), this humidity feels like a warm, balmy embrace that enhances the tropical atmosphere, making it a perfect backdrop for leisurely strolls and outdoor adventures, though it may also lead to a slightly sticky feeling as you explore.

September Average Humidity in Manteigas

This chart illustrates the average monthly humidity levels in Manteigas, 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 Manteigas is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Manteigas

In Manteigas 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 Manteigas.

Maximum UV Index Levels in Manteigas for September

The chart shows the monthly maximum UV Index (UVI) for Manteigas 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 Manteigas typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910111098643
Data source: Manteigas 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 Manteigas Compares to Other Months

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

This table compares monthly weather conditions in Manteigas, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)50 mm (2.0 inches)87%moderate
February Weather8°C (47°F)84 mm (3.3 inches)81%moderate
March Weather9°C (49°F)106 mm (4.2 inches)78%high
April Weather12°C (53°F)105 mm (4.1 inches)79%very high
May Weather16°C (60°F)47 mm (1.8 inches)78%very high
June Weather18°C (65°F)37 mm (1.4 inches)71%extreme
July Weather21°C (71°F)13 mm (0.5 inches)63%very high
August Weather22°C (71°F)14 mm (0.6 inches)64%very high
September Weather19°C (66°F)43 mm (1.7 inches)71%very high
October Weather15°C (59°F)77 mm (3.0 inches)79%high
November Weather9°C (49°F)110 mm (4.3 inches)86%moderate
December Weather7°C (45°F)106 mm (4.2 inches)87%moderate

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