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September Weather in Vidais, Portugal

Last updated: August 27, 2025

In September, the average temperature in Vidais, Portugal is a pleasant 21°C (69°F). You'll experience a range from a cool 12°C (54°F) to a warm 35°C (95°F). Be prepared for some light showers, as there's an average precipitation of 27 mm (1.1 in) over 3 days. With an average humidity of 67%, it's the perfect time to enjoy the climate!

September Temperature in Vidais

In September in Vidais, the average temperature is 21°C (69°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 12°C (54°F). This makes Vidais a great destination for travelers seeking warm weather, but it's wise to prepare for both hot days and cooler nights.

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

The chart illustrates September temperature patterns in Vidais, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vidais, September typically has an average temperature of 21°C (69°F), with highs reaching up to 35°C (95°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec515456596466707069645754
Data source: Temperature data for Vidais 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 Vidais

In Vidais in September, the total precipitation amount is 27 mm (1.1 in) over the course of 3 days.

September Precipitation Trends in Vidais

The chart displays monthly precipitation patterns in Vidais, 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 Vidais, September typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec4153748339166627588864
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Vidais

In Vidais in September, humidity is 67%. With an average temperature of 21°C (69°F), this humidity feels like a warm, enveloping embrace, making travel enjoyable yet slightly sticky. It encourages you to seek shade and sip cool drinks while exploring, adding a tropical flair to your adventures.

September Average Humidity in Vidais

This chart illustrates the average monthly humidity levels in Vidais, 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 Vidais is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Vidais

In Vidais 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 Vidais.

Maximum UV Index Levels in Vidais for September

The chart shows the monthly maximum UV Index (UVI) for Vidais 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 Vidais typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Vidais 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 Vidais Compares to Other Months

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

This table compares monthly weather conditions in Vidais, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)41 mm (1.6 inches)85%moderate
February Weather12°C (54°F)53 mm (2.1 inches)75%moderate
March Weather13°C (56°F)74 mm (2.9 inches)72%high
April Weather15°C (59°F)82 mm (3.2 inches)70%very high
May Weather18°C (64°F)39 mm (1.5 inches)70%very high
June Weather19°C (67°F)16 mm (0.6 inches)63%extreme
July Weather21°C (70°F)6 mm (0.2 inches)60%very high
August Weather21°C (70°F)6 mm (0.2 inches)60%very high
September Weather21°C (69°F)27 mm (1.1 inches)67%very high
October Weather18°C (65°F)58 mm (2.3 inches)74%high
November Weather14°C (57°F)88 mm (3.5 inches)83%moderate
December Weather12°C (54°F)64 mm (2.5 inches)85%moderate

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