The climate in San Salvador during September can be summarized as mild and a little damp.
September is in the spring in San Salvador and is typically the 4th coldest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 9°C (48°F) is normal.
Daytime temperature | 21.1°C 70°F |
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Nightly temperature | 8.7°C 47.7°F |
Average temperature | 14.9°C 58.8°F |
Daily sunshine | 6.8 hrs |
Avg rainfall | 87 mm 3.4 ins |
Rainy days | 7 days |
Sea temperature | 15.1°C 59.2°F |
Humidity | 75% |
Windspeed | 12.2kph 8 mph |
On average September is the 5th driest month of the year in San Salvador with around 87mm 3.4 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.8 hours of sunshine per day.
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 2024.
Best places to visit in September
Hottest month: | January | 32°C 89.6°F |
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Driest month: | July | 59mm 2.3ins |
Sunniest month: | November | 9.9hrs |
Coldest month: | July | 17.5°C 63.5°F |
Wettest month: | March | 139mm 5.5ins |