Warm
Average highs sit around 29°C, giving warm days by monthly-average standards.
September verdict
El Salvador in September
Weather score57Good
Good for holiday weather
Average highs sit around 29°C, giving warm days by monthly-average standards. Sunshine averages 5h per day, enough for a balanced month. Rainfall averages 298mm, so showers are a real planning factor.
September weather
Monthly averages
Temp
29°C
Rain
298mm
Sun
5h
Sea
25°C
Weather score
57
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 298mm, so showers are a real planning factor.
Some sun
Sunshine averages 5h per day, enough for a balanced month.
Swimmable
Sea temperatures average 25°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare El Salvador with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September29°C average high
September is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsFebruary to May
This stretch sets the upper range for average daytime heat.
Rain
September298mm average rain
September is one of El Salvador's wettest months, so rain is likely to be a major planning factor.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September5 hours average sun
September is one of El Salvador's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsJanuary to May and December
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September25°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaApril to November
Sea temperatures are usually near 24°C in this stretch, so swimming comfort is at its strongest.
Weather score
September57 weather score
September is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to April and December
These months have the strongest weather score in the monthly averages.
