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September Weather in Alpens, Spain

Last updated: August 27, 2025

In September, the average temperature in Alpens, Spain is a comfortable 18°C (64°F). Expect daily variations with minimums dipping to 6°C (43°F) and maximums reaching 28°C (83°F). Be prepared for 96 mm (3.8 in) of precipitation over approximately 14 days, and enjoy the refreshing average humidity of 68%.

September Temperature in Alpens

In September, in Alpens, the average temperature is 18°C (64°F). The maximum can reach 28°C (83°F), and the minimum can be as low as 6°C (43°F). This mild and varied climate makes Alpens an ideal destination for travelers seeking comfortable weather and enjoyable outdoor activities.

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

The chart illustrates September temperature patterns in Alpens, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alpens, September typically has an average temperature of 18°C (64°F), with highs reaching up to 28°C (83°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec404447515966727164564642
Data source: Temperature data for Alpens 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 Alpens

In Alpens in September, the total precipitation amount is 96 mm (3.8 in) over the course of 14 days.

September Precipitation Trends in Alpens

The chart displays monthly precipitation patterns in Alpens, 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 Alpens, September typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec5369771131221006383961308031
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Alpens

In Alpens in September, humidity is 68%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making for a slightly muggy experience that can leave you feeling sticky as you explore, so it’s best to stay hydrated and take frequent breaks in the shade.

September Average Humidity in Alpens

This chart illustrates the average monthly humidity levels in Alpens, 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 Alpens is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%74%71%69%66%65%64%64%68%77%79%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Alpens

In Alpens 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 Alpens.

Maximum UV Index Levels in Alpens for September

The chart shows the monthly maximum UV Index (UVI) for Alpens 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 Alpens typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098632
Data source: Alpens 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 Alpens Compares to Other Months

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

This table compares monthly weather conditions in Alpens, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)53 mm (2.1 inches)79%moderate
February Weather7°C (45°F)68 mm (2.7 inches)74%moderate
March Weather8°C (47°F)77 mm (3.0 inches)71%high
April Weather11°C (52°F)113 mm (4.5 inches)69%very high
May Weather15°C (59°F)122 mm (4.8 inches)66%very high
June Weather19°C (66°F)100 mm (3.9 inches)65%very high
July Weather22°C (72°F)63 mm (2.5 inches)64%very high
August Weather22°C (72°F)82 mm (3.2 inches)64%very high
September Weather18°C (64°F)96 mm (3.8 inches)68%very high
October Weather14°C (57°F)130 mm (5.1 inches)77%high
November Weather8°C (47°F)80 mm (3.1 inches)79%moderate
December Weather5°C (42°F)31 mm (1.2 inches)79%low

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