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September Weather in Arvore, Portugal

Last updated: August 27, 2025

In Arvore, Portugal, the average temperature in September hovers around 19°C (67°F), offering a pleasant climate for outdoor activities. Expect the temperatures to range from a minimum of 13°C (55°F) to a maximum of 30°C (86°F), providing a comfortable swing for both cool and warm weather enthusiasts. With an average precipitation of 33 mm (1.3 in) spread over 6 days, and humidity levels at 71%, be sure to pack accordingly for your visit!

September Temperature in Arvore

In September in Arvore, the average temperature is 19°C (67°F), with maximums reaching 30°C (86°F) and minimums dipping as low as 13°C (55°F). This pleasant climate makes it an ideal time for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Arvore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arvore, September typically has an average temperature of 19°C (67°F), with highs reaching up to 30°C (86°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec515455586264686867635754
Data source: Temperature data for Arvore 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 Arvore

In Arvore, in September, the precipitation amount is 33 mm (1.3 in) over the course of 6 days.

September Precipitation Trends in Arvore

The chart displays monthly precipitation patterns in Arvore, 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 Arvore, September typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec811141211307141181733111144161
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Arvore

In Arvore in September, humidity is 71%. With an average temperature of 19°C (67°F), this humidity feels like a warm embrace, making travel pleasant yet slightly sticky, as the air clings gently to your skin and invites you to stay hydrated while exploring.

September Average Humidity in Arvore

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

In Arvore 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 Arvore.

Maximum UV Index Levels in Arvore for September

The chart shows the monthly maximum UV Index (UVI) for Arvore 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 Arvore typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2468910998642
Data source: Arvore 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 Arvore Compares to Other Months

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

This table compares monthly weather conditions in Arvore, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)81 mm (3.2 inches)87%low
February Weather12°C (54°F)114 mm (4.5 inches)81%moderate
March Weather13°C (55°F)121 mm (4.7 inches)78%high
April Weather14°C (58°F)130 mm (5.1 inches)79%very high
May Weather17°C (63°F)71 mm (2.8 inches)78%very high
June Weather18°C (65°F)40 mm (1.6 inches)71%very high
July Weather20°C (68°F)18 mm (0.7 inches)63%very high
August Weather20°C (68°F)17 mm (0.7 inches)64%very high
September Weather19°C (67°F)33 mm (1.3 inches)71%very high
October Weather17°C (63°F)111 mm (4.4 inches)79%high
November Weather14°C (57°F)144 mm (5.7 inches)86%moderate
December Weather12°C (54°F)161 mm (6.3 inches)87%low

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