El Salvador weather in September 2025
El Salvador weather in September 2025
Day
30 °C
Night
19 °C
Sea
29 °C
Precipitation
302 mm
in month
Rainy days
23 days
in month
Daylight
12 hours
average
Sunshine
6 hours
average
Humidity
85 %
Day
30 °C
Night
19 °C
Sea
29 °C
Precipitation
302 mm
in month
Rainy days
23 days
in month
Daylight
12 hours
average
Sunshine
6 hours
average
Humidity
85 %
Overview: El Salvador
Travel information
Flights
to
Activities
in El Salvador
Weather charts for El Salvador
Data backed by 40 years of history
We make the most from 40 years of historical weather data to predict the best weather conditions.
Selection of world's favourite destinations
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
16 500 000 weather records
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Find more destinations like this
Activities in El Salvador
Destinations in El Salvador
Destinations with similar weather to El Salvador
Weather overview and FAQs
Weather overview
In September in El Salvador, the average air temperature ranges from 30 °C (85 °F) during the day to 19 °C (65 °F) at night. There are 24 days of rain on average, where the rainfall is 302 mm (11.87 in).
Are there good conditions to visit in El Salvador in September?
El Salvador can be visited in September - the weather will be moderate. In El Salvador in September, there is a wet season, which means that it could rain more often there during your stay.
What temperature can I expect during the day in El Salvador in September?
In El Salvador in September, the average daily temperatures will be 30 °C (85 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
What is the air temperature in El Salvador in September at night?
The average night temperature in El Salvador in September is 19 °C (65 °F). This temperature is pleasant for a wide range of evening, night, and morning activities from sports to sitting outside in restaurants or evening walks.
How many days of precipitation on average can I expect in El Salvador in September?
In El Salvador in September, we can expect 24 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 5.5 days of the week, or in general - 78 % days.
What is the rainfall intensity in El Salvador in September?
In El Salvador in September, there is 302 mm (11.87 in) rainfall, which means on average 10 mm (0.40 in) rainfall per day.
How many sunny hours can I expect in El Salvador in September?
In El Salvador in September, you can expect around 6 hours of sunshine.
How long is the day (from dawn till dusk) in El Salvador in September?
The length of daylight in El Salvador in September is 12 hours.
Is September part of the wet season in El Salvador?
Yes, in El Salvador in September there is a wet season with 24 days, when there is rain in a month.
Is it hot in El Salvador in September?
In El Salvador in September, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
Is the weather in El Salvador warmer in September than in August?
No, in El Salvador in September the temperature is not higher than in August.
How humid is El Salvador in September?
Humidity in El Salvador in September is 85 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
Is El Salvador rainier in September than in October?
Yes, El Salvador is a rainier September than in October.