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September Weather in Sant Joan Despi, Spain

Last updated: August 27, 2025

In September, the average temperature in Sant Joan Despi, Spain is a pleasant 22°C (73°F). Temperatures can range from a comfortable 15°C (59°F) to a warm 28°C (83°F). With an average precipitation of 99 mm (3.9 in) over 13 days, expect a mix of sunny and rainy spells. The average humidity hovers around 68%, creating a refreshing atmosphere. Enjoy your time in this beautiful locale!

September Temperature in Sant Joan Despi

In September in Sant Joan Despi, the average temperature is 22°C (73°F). The maximum can reach 28°C (83°F), while the minimum can be as low as 15°C (59°F). This moderate climate makes Sant Joan Despi an ideal destination for outdoor adventures and sightseeing during this time.

September Weather in Sant Joan Despi: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sant Joan Despi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sant Joan Despi, September typically has an average temperature of 22°C (73°F), with highs reaching up to 28°C (83°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec505254576370767772665853
Data source: Temperature data for Sant Joan Despi 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 Sant Joan Despi

In Sant Joan Despi in September, the precipitation amount is 99 mm (3.9 in) over the course of 13 days.

September Precipitation Trends in Sant Joan Despi

The chart displays monthly precipitation patterns in Sant Joan Despi, 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 Sant Joan Despi, September typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec5947477039312838991098130
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sant Joan Despi

In Sant Joan Despi in September humidity is 68%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace that can make outdoor activities a bit sticky, so staying hydrated is essential while exploring the sights.

September Average Humidity in Sant Joan Despi

This chart illustrates the average monthly humidity levels in Sant Joan Despi, 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 Sant Joan Despi 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 Sant Joan Despi

In Sant Joan Despi in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Sant Joan Despi.

Maximum UV Index Levels in Sant Joan Despi for September

The chart shows the monthly maximum UV Index (UVI) for Sant Joan Despi 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 Sant Joan Despi typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34579101097632
Data source: Sant Joan Despi 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 Sant Joan Despi Compares to Other Months

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

This table compares monthly weather conditions in Sant Joan Despi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)59 mm (2.3 inches)79%moderate
February Weather11°C (53°F)47 mm (1.9 inches)74%moderate
March Weather12°C (54°F)47 mm (1.9 inches)71%moderate
April Weather14°C (57°F)69 mm (2.7 inches)69%high
May Weather17°C (63°F)39 mm (1.5 inches)66%very high
June Weather21°C (71°F)31 mm (1.2 inches)65%very high
July Weather24°C (76°F)28 mm (1.1 inches)64%very high
August Weather25°C (77°F)38 mm (1.5 inches)64%very high
September Weather22°C (73°F)99 mm (3.9 inches)68%high
October Weather19°C (66°F)109 mm (4.3 inches)77%high
November Weather14°C (58°F)81 mm (3.2 inches)79%moderate
December Weather12°C (53°F)30 mm (1.2 inches)79%low

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