San Salvador Weather in September

What's the weather like in San Salvador (San Salvador) in September 2023?

The climate in San Salvador during September can be summarized as warm, humid and very wet.

September is in the fall / autumn in San Salvador and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 17°C (62°F) is normal.

San Salvador weather averages (imperial / metric)
Daytime temperature 27.8°C 82°F
Nightly temperature 16.8°C 62.2°F
Average temperature 22.3°C 72.1°F
Daily sunshine 6.3 hrs
Avg rainfall 336 mm 13.2 ins
Rainy days 29 days
Sea temperature 29.5°C 85°F
Humidity 85%
Windspeed 7.6kph 5 mph

On average September is the wettest month of the year in San Salvador with around 336mm 13.2 inches of rain making it a very wet time to visit. This rainfall is typically spread over 29 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.3 hours of sunshine per day.

September temperatures in San Salvador

San Salvador average temperature in September

September rainfall

San Salvador average rain in September

September hourly sunshine

San Salvador 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 San Salvador in September 2023.

Other monthly averages

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San Salvador weather stats

San Salvador weather statistics
Hottest month: April 31.2°C 88.2°F
Driest month: February 4mm 0.2ins
Sunniest month: February 9.4hrs
Coldest month: December 28.5°C 83.3°F
Wettest month: September 336mm 13.2ins
Map showing location of San Salvador (13.68935, -89.18718)

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