nomadseason

September Weather in Ulldecona, Spain

Last updated: August 27, 2025

In September, the average temperature in Ulldecona, Spain hovers around 23°C (74°F), with a comfortable minimum of 13°C (56°F) and a warm maximum reaching 32°C (89°F). Expect about 62 mm (2.4 in) of precipitation over 8 days, contributing to an average humidity of 68%. Whether you’re enjoying the sunny days or preparing for a drizzle, this month's weather offers a little bit of everything!

September Temperature in Ulldecona

In September in Ulldecona, the average temperature is 23°C (74°F), with maximums reaching 32°C (89°F) and minimums dropping as low as 13°C (56°F). This pleasant temperature range makes Ulldecona an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates September temperature patterns in Ulldecona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ulldecona, September typically has an average temperature of 23°C (74°F), with highs reaching up to 32°C (89°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec505355586673787973665753
Data source: Temperature data for Ulldecona generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Ulldecona

In Ulldecona in September, the precipitation amount is 62 mm (2.4 in) over the course of 8 days.

September Precipitation Trends in Ulldecona

The chart displays monthly precipitation patterns in Ulldecona, 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 Ulldecona, September typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec59213762382794162736327
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Ulldecona

In Ulldecona in September, humidity is 68%. With an average temperature of 23°C (74°F), this humidity feels like a warm embrace, making traveling quite uncomfortable if you're not prepared. The air is thick and muggy, leaving you yearning for a cool breeze and frequent breaks in the shade.

September Average Humidity in Ulldecona

This chart illustrates the average monthly humidity levels in Ulldecona, 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 Ulldecona 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 Ulldecona

In Ulldecona 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 Ulldecona.

Maximum UV Index Levels in Ulldecona for September

The chart shows the monthly maximum UV Index (UVI) for Ulldecona 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 Ulldecona typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34589111098642
Data source: Ulldecona 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 Ulldecona Compares to Other Months

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

This table compares monthly weather conditions in Ulldecona, 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 Weather12°C (53°F)21 mm (0.8 inches)74%moderate
March Weather13°C (56°F)37 mm (1.5 inches)71%moderate
April Weather15°C (59°F)62 mm (2.4 inches)69%very high
May Weather19°C (66°F)38 mm (1.5 inches)66%very high
June Weather23°C (73°F)27 mm (1.1 inches)65%extreme
July Weather26°C (79°F)9 mm (0.4 inches)64%very high
August Weather26°C (79°F)41 mm (1.6 inches)64%very high
September Weather23°C (74°F)62 mm (2.4 inches)68%very high
October Weather19°C (66°F)73 mm (2.9 inches)77%high
November Weather14°C (58°F)63 mm (2.5 inches)79%moderate
December Weather12°C (53°F)27 mm (1.1 inches)79%low

Compare Ulldecona's Climate with Cities Worldwide