San Salvador weather in September 2025

Expect 82°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in San Salvador in September. Check more long-term weather averages for San Salvador in September before you book your next holiday to El Salvador in 2025/2026.

  • 82°F maximum daytime temperature in September in San Salvador82
    82°F max day temperature
  • 6 hours of sunshine per day
  • 29 days with some rainfall in September in San Salvador29
    29 days with some rainfall
  • 63°F minimum night-time temperature in September in San Salvador63
    63°F min night temperature
  • 12 hours of daylight per day in September in San Salvador12
    12 hours of daylight per day
  • Moderate heat & humidity in September in San SalvadorM
    Moderate heat & humidity
  • 13.2 inches monthly rainfall in September in San Salvador13.2
    13.2 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in San Salvador11
    11+ (Extreme) UV index

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The September weather guide for El Salvador (San Salvador) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in San Salvador in September?

Daytime temperatures usually reach 82°F in San Salvador in September with moderate heat and humidity, falling to 63°F at night.

How sunny is it in San Salvador in September?

There are normally 6 hours of bright sunshine each day in San Salvador in September - that's 48% of daylight hours.

Does it rain in San Salvador in September?

There are usually 29 days with some rain in San Salvador in September and the average monthly rainfall is 13.2 inches.

What is the chance of a hurricane in San Salvador in September?

On average less than 1 day in September in San Salvador is likely to be affected by the passage of one or more tropical storms.

San Salvador September sunrise & sunset times

Browse the sunrise and sunset times for San Salvador in September 2025. Select a month to view San Salvador sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:45 18:08
Monday, 15th September 2025 05:46 17:58
Tuesday, 30th September 2025 05:46 17:47

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