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September Weather in Biscoitos, Portugal

Last updated: August 27, 2025

In September, the average temperature in Biscoitos, Portugal hovers around 22°C (71°F), with a comfortable minimum of 19°C (66°F) and a delightful maximum of 24°C (76°F). Expect about 45 mm (1.8 in) of precipitation spread over 10 days, contributing to an average humidity of 82%. A perfect time to enjoy the mild weather!

September Temperature in Biscoitos

In September in Biscoitos, 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 Biscoitos an ideal destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Biscoitos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Biscoitos, 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).
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Data source: Temperature data for Biscoitos 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 Biscoitos

In Biscoitos in September, the precipitation amount is 45 mm (1.8 in) spread over a duration of 10 days.

September Precipitation Trends in Biscoitos

The chart displays monthly precipitation patterns in Biscoitos, 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 Biscoitos, September typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec78774976544322474683107121
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Biscoitos

In Biscoitos in September, humidity is 82%. With an average temperature of 22°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel laborious and sweat-dripping, urging travelers to stay hydrated and seek the shade more often.

September Average Humidity in Biscoitos

This chart illustrates the average monthly humidity levels in Biscoitos, 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 Biscoitos is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%84%84%83%84%86%82%82%79%80%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Biscoitos

In Biscoitos 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 Biscoitos.

Maximum UV Index Levels in Biscoitos for September

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

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

This table compares monthly weather conditions in Biscoitos, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)78 mm (3.1 inches)84%moderate
February Weather15°C (59°F)77 mm (3.0 inches)83%moderate
March Weather15°C (59°F)49 mm (1.9 inches)84%high
April Weather15°C (60°F)76 mm (3.0 inches)84%very high
May Weather16°C (62°F)54 mm (2.1 inches)83%very high
June Weather19°C (66°F)43 mm (1.7 inches)84%extreme
July Weather21°C (70°F)22 mm (0.8 inches)86%very high
August Weather22°C (72°F)47 mm (1.9 inches)82%very high
September Weather22°C (71°F)45 mm (1.8 inches)82%very high
October Weather20°C (69°F)83 mm (3.3 inches)79%high
November Weather18°C (65°F)107 mm (4.2 inches)80%moderate
December Weather17°C (63°F)121 mm (4.8 inches)85%moderate

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