La Unión Weather in September

What's the weather like in La Unión (Murcia) in September 2025?

The climate in La Unión during September can be summarized as hot and dry.

September is in the fall / autumn in La Unión and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (82°F), whilst at night 19°C (66°F) is normal.

La Unión weather averages (imperial / metric)
Daytime temperature 27.6°C 81.7°F
Nightly temperature 18.6°C 65.5°F
Average temperature 23.1°C 73.6°F
Daily sunshine 7.7 hrs
Avg rainfall 26 mm 1 ins
Rainy days 5 days
Sea temperature 24.4°C 75.9°F
Humidity 70%
Windspeed 9.7kph 6 mph

On average September is the 5th driest month of the year in La Unión with around 26mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.7 hours of sunshine per day.

September temperatures in La Unión

La Unión average temperature in September

September rainfall

La Unión average rain in September

September hourly sunshine

La Unión average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in La Unión in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

La Unión weather stats

La Unión weather statistics
Hottest month: August 28.9°C 84°F
Driest month: July 5mm 0.2ins
Sunniest month: July 10.5hrs
Coldest month: January 15.4°C 59.7°F
Wettest month: October 52mm 2ins
Map showing location of La Unión (37.61915, -0.87799) La Unión map pin © Google

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