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September Weather in Alp, Spain

Last updated: August 27, 2025

In September, the average temperature in Alp, Spain hovers around 14°C (58°F). Visitors can expect a minimum of 1°C (34°F) and may enjoy days with a maximum of 25°C (77°F). Alongside this mild weather, precipitation averages 90 mm (3.5 in) over about 14 days, and the average humidity is noted at a comfortable 73%.

September Temperature in Alp

In September in Alp, the average temperature is 14°C (58°F), with maximums reaching 25°C (77°F) and minimums dropping to as low as 1°C (34°F). This varied climate makes Alp a great destination for travelers seeking both mild weather and the chance to experience different seasonal activities.

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

The chart illustrates September temperature patterns in Alp, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alp, September typically has an average temperature of 14°C (58°F), with highs reaching up to 25°C (77°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec343841455360656557504036
Data source: Temperature data for Alp 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 Alp

In Alp in September, the precipitation amount is 90 mm (3.5 in) spread over a total of 14 days.

September Precipitation Trends in Alp

The chart displays monthly precipitation patterns in Alp, 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 Alp, September typically receives around 90 mm (3.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec5949771141311087286901028040
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Alp

In Alp in September, humidity is 73%. With an average temperature of 14°C (58°F), this humidity feels like a warm, damp blanket wrapping around you, making outdoor activities a bit uncomfortable for traveling unless you stay hydrated and take frequent breaks in the shade.

September Average Humidity in Alp

This chart illustrates the average monthly humidity levels in Alp, 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 Alp is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%83%80%77%75%74%72%70%73%82%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Alp

In Alp 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 Alp.

Maximum UV Index Levels in Alp for September

The chart shows the monthly maximum UV Index (UVI) for Alp 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 Alp typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689111198632
Data source: Alp 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 Alp Compares to Other Months

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

This table compares monthly weather conditions in Alp, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)59 mm (2.3 inches)87%moderate
February Weather3°C (38°F)49 mm (1.9 inches)83%moderate
March Weather5°C (41°F)77 mm (3.0 inches)80%high
April Weather7°C (45°F)114 mm (4.5 inches)77%very high
May Weather12°C (53°F)131 mm (5.2 inches)75%very high
June Weather15°C (60°F)108 mm (4.3 inches)74%extreme
July Weather18°C (65°F)72 mm (2.8 inches)72%extreme
August Weather18°C (65°F)86 mm (3.4 inches)70%very high
September Weather14°C (58°F)90 mm (3.5 inches)73%very high
October Weather10°C (50°F)102 mm (4.0 inches)82%high
November Weather4°C (40°F)80 mm (3.1 inches)87%moderate
December Weather2°C (36°F)40 mm (1.6 inches)88%low

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