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September Weather in San Sebastian de la Gomera, Spain

Last updated: August 27, 2025

In September, the average temperature in San Sebastian de la Gomera, Spain hovers around 23°C (74°F), making it a pleasant time to visit. The temperature can dip to a minimum of 21°C (70°F) and peak at a comfortable 27°C (81°F). Prepare for some light rain, with 5 mm (0.2 in) of precipitation spread over just 1 day. Don't forget that the air can be quite humid, with an average humidity level of 88%!

September Temperature in San Sebastian de la Gomera

In September in San Sebastian de la Gomera, the average temperature is 23°C (74°F). Maximums can reach 27°C (81°F), and minimums can be as low as 21°C (70°F). This mild and pleasant weather makes it an ideal time for travel and outdoor activities.

September Weather in San Sebastian de la Gomera: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Sebastian de la Gomera, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Sebastian de la Gomera, September typically has an average temperature of 23°C (74°F), with highs reaching up to 27°C (81°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec656564656769727473726967
Data source: Temperature data for San Sebastian de la Gomera 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 San Sebastian de la Gomera

In San Sebastian de la Gomera in September, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.

September Precipitation Trends in San Sebastian de la Gomera

The chart displays monthly precipitation patterns in San Sebastian de la Gomera, 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 San Sebastian de la Gomera, September typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec141613945125171716
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Sebastian de la Gomera

In San Sebastian de la Gomera in September, humidity is 88%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making outdoor activities quickly exhausting and urging travelers to seek shade or refreshing drinks to stay comfortable.

September Average Humidity in San Sebastian de la Gomera

This chart illustrates the average monthly humidity levels in San Sebastian de la Gomera, 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 San Sebastian de la Gomera is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%76%81%83%82%85%89%90%88%85%80%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Sebastian de la Gomera

In San Sebastian de la Gomera in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in San Sebastian de la Gomera.

Maximum UV Index Levels in San Sebastian de la Gomera for September

The chart shows the monthly maximum UV Index (UVI) for San Sebastian de la Gomera 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 San Sebastian de la Gomera typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579111212111111975
Data source: San Sebastian de la Gomera 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 San Sebastian de la Gomera Compares to Other Months

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

This table compares monthly weather conditions in San Sebastian de la Gomera, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)13 mm (0.5 inches)73%moderate
February Weather18°C (65°F)16 mm (0.6 inches)76%high
March Weather18°C (65°F)13 mm (0.5 inches)81%very high
April Weather18°C (65°F)9 mm (0.3 inches)83%extreme
May Weather19°C (67°F)4 mm (0.2 inches)82%extreme
June Weather21°C (69°F)5 mm (0.2 inches)85%extreme
July Weather22°C (72°F)1 mm (0.0 inches)89%extreme
August Weather23°C (74°F)2 mm (0.1 inches)90%extreme
September Weather23°C (74°F)5 mm (0.2 inches)88%extreme
October Weather22°C (72°F)17 mm (0.7 inches)85%very high
November Weather21°C (70°F)17 mm (0.7 inches)80%high
December Weather19°C (67°F)16 mm (0.6 inches)74%moderate

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