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September Weather in San Fernando, Spain

Last updated: August 27, 2025

In San Fernando, Spain, the average temperature in September is a pleasant 24°C (75°F). Expect minimums of around 17°C (63°F) and maximums reaching 32°C (89°F), creating a nice range for outdoor activities. With an average humidity of 59%, the air feels comfortable, although be prepared for some light precipitation totaling 13 mm (0.5 in) over about 2 days. Perfect for exploring and enjoying the seasonal charm!

September Temperature in San Fernando

In September, in San Fernando, the average temperature is 24°C (75°F). Maximum temperatures can reach 32°C (89°F) and minimums can drop as low as 17°C (63°F). This pleasant climate makes San Fernando an ideal destination for travelers seeking comfortable weather.

September Weather in San Fernando: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, September typically has an average temperature of 24°C (75°F), with highs reaching up to 32°C (89°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec545759616771757774696157
Data source: Temperature data for San Fernando 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 Fernando

In San Fernando in September, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.

September Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, 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 Fernando, September typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec493987662550213499254
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Fernando

In San Fernando in September humidity is 59%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making outdoor activities refreshing yet slightly sticky, perfect for leisurely strolls but reminding travelers to stay hydrated.

September Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, 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 Fernando is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%71%67%60%59%52%54%52%59%68%77%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Fernando

In San Fernando 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 San Fernando.

Maximum UV Index Levels in San Fernando for September

The chart shows the monthly maximum UV Index (UVI) for San Fernando 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 Fernando typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110108743
Data source: San Fernando 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 Fernando Compares to Other Months

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

This table compares monthly weather conditions in San Fernando, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)49 mm (1.9 inches)79%moderate
February Weather14°C (58°F)39 mm (1.5 inches)71%moderate
March Weather15°C (59°F)87 mm (3.4 inches)67%high
April Weather16°C (62°F)66 mm (2.6 inches)60%very high
May Weather20°C (68°F)25 mm (1.0 inches)59%very high
June Weather22°C (71°F)5 mm (0.2 inches)52%extreme
July Weather24°C (75°F)0 mm (0.0 inches)54%very high
August Weather25°C (77°F)2 mm (0.1 inches)51%very high
September Weather24°C (75°F)13 mm (0.5 inches)59%very high
October Weather21°C (69°F)49 mm (1.9 inches)68%high
November Weather16°C (62°F)92 mm (3.6 inches)77%moderate
December Weather14°C (58°F)54 mm (2.1 inches)81%moderate

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