San Miguel weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in San Miguel in September. Check more long-term weather averages for San Miguel in September before you book your next holiday to El Salvador in 2025/2026.

  • 30°C maximum daytime temperature in September in San Miguel30
    30°C max day temperature
  • 6 hours of sunshine per day
  • 28 days with some rainfall in September in San Miguel28
    28 days with some rainfall
  • 19°C minimum night-time temperature in September in San Miguel19
    19°C min night temperature
  • 12 hours of daylight per day in September in San Miguel12
    12 hours of daylight per day
  • High heat & humidity in September in San MiguelH
    High heat & humidity
  • 365 mm monthly rainfall in September in San Miguel365
    365 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in San Miguel11
    11+ (Extreme) UV index

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The September weather guide for El Salvador (San Miguel) 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 / mm)  |  Imperial (°F / inches)

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How hot is it in San Miguel in September?

Daytime temperatures usually reach 30°C in San Miguel in September with high heat and humidity, falling to 19°C at night.

How sunny is it in San Miguel in September?

There are normally 6 hours of bright sunshine each day in San Miguel in September - that's 49% of daylight hours.

Does it rain in San Miguel in September?

There are usually 28 days with some rain in San Miguel in September and the average monthly rainfall is 365mm.

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

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

San Miguel September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:41 18:04
Monday, 15th September 2025 05:42 17:54
Tuesday, 30th September 2025 05:42 17:43

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