La Unión Weather in September

What's the weather like in La Unión (Zacapa) in September 2024?

The climate in La Unión during September can be summarized as hot, humid and very wet.

September is in the fall / autumn in La Unión and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 19°C (66°F) is normal.

La Unión weather averages (imperial / metric)
Daytime temperature 28°C 82.3°F
Nightly temperature 18.7°C 65.6°F
Average temperature 23.3°C 73.9°F
Daily sunshine 6 hrs
Avg rainfall 270 mm 10.6 ins
Rainy days 24 days
Sea temperature 29.5°C 85.1°F
Humidity 85%
Windspeed 13.7kph 9 mph

On average September is the 2nd wettest month of the year in La Unión with around 270mm 10.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.

On the flip side this corresponds to an average of 6 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 2024.

Other monthly averages

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La Unión weather stats

La Unión weather statistics
Hottest month: May 30.1°C 86.2°F
Driest month: March 28mm 1.1ins
Sunniest month: April 8.5hrs
Coldest month: January 24.8°C 76.6°F
Wettest month: June 283mm 11.1ins
Map showing location of La Unión (14.96667, -89.28333) La Unión map pin © Google

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