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September Weather in Vinhais, Portugal

Last updated: August 27, 2025

In September, the average temperature in Vinhais, Portugal hovers around 18°C (65°F). Expect a minimum of 5°C (41°F) and a maximum of 32°C (91°F), creating a pleasant climate for outdoor activities. However, be prepared for some rain, as the area receives about 40 mm (1.6 in) of precipitation over 5 days. With an average humidity level of 63%, it's a month that beautifully balances warmth and freshness.

September Temperature in Vinhais

In September in Vinhais, the average temperature is 18°C (65°F). The maximum can reach 32°C (91°F), and the minimum can be as low as 5°C (41°F). This makes Vinhais an ideal destination for travelers seeking a pleasant climate with versatile weather conditions.

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

The chart illustrates September temperature patterns in Vinhais, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vinhais, September typically has an average temperature of 18°C (65°F), with highs reaching up to 32°C (91°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec414548526065717065574744
Data source: Temperature data for Vinhais 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 Vinhais

In Vinhais in September, the precipitation amount is 40 mm (1.6 in) over the course of 5 days.

September Precipitation Trends in Vinhais

The chart displays monthly precipitation patterns in Vinhais, 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 Vinhais, September typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec52949487494218154075102127
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Vinhais

In Vinhais in September, humidity is 63%. With an average temperature of 18°C (65°F), this humidity feels like a comfortable embrace, making for an enjoyable travel experience that allows for leisurely exploration without feeling overly sticky or oppressive.

September Average Humidity in Vinhais

This chart illustrates the average monthly humidity levels in Vinhais, 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 Vinhais is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%85%79%77%76%64%54%52%63%78%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Vinhais

In Vinhais 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 Vinhais.

Maximum UV Index Levels in Vinhais for September

The chart shows the monthly maximum UV Index (UVI) for Vinhais 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 Vinhais typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689111098642
Data source: Vinhais 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 Vinhais Compares to Other Months

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

This table compares monthly weather conditions in Vinhais, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)52 mm (2.1 inches)91%low
February Weather7°C (46°F)94 mm (3.7 inches)85%moderate
March Weather9°C (48°F)94 mm (3.7 inches)79%high
April Weather11°C (52°F)87 mm (3.4 inches)77%very high
May Weather15°C (60°F)49 mm (1.9 inches)76%very high
June Weather18°C (65°F)42 mm (1.7 inches)64%extreme
July Weather22°C (71°F)18 mm (0.7 inches)54%very high
August Weather21°C (71°F)15 mm (0.6 inches)52%very high
September Weather18°C (65°F)40 mm (1.6 inches)63%very high
October Weather14°C (57°F)75 mm (2.9 inches)78%high
November Weather9°C (48°F)102 mm (4.0 inches)90%moderate
December Weather7°C (44°F)126 mm (5.0 inches)91%low

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