El Salvador weather
Our guide to the weather in El Salvador during September
We've looked at the most up-to-date weather data for El Salvador, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about El Salvador weather in September.
How warm is it in El Salvador during September?
The temperature reaches around 29℃ during the daytime in September, falling away to 20℃ at night. Of course, the high humidity will make it feel even hotter. The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.
Does it rain in El Salvador during September?
September is typically the wettest month in El Salvador. On average, there will be 18 rainy days during the month, amounting to 354.2mm in total. That's a lot of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. Due to the high temperature and humidity, you might expect lots of thunderstorms, however they're actually fairly infrequent at this time of year. On average, September will see just 6 days that produce a storm.
Is it windy in El Salvador during September?
No - there is very light air movement in September so conditions should be calm with light breezes at times.
How warm is the sea in El Salvador during September?
The water around El Salvador reaches a very pleasant 30℃ during September. This is very warm, and will feel bath-like. People who normally feel the cold will find this temperature perfectly acceptable. The hot air temperature and relatively high humidity will mean that you will feel comfortably warm when coming out of the water.
Weather in El Salvador
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