Guayaquil weather in September 2025

Expect 90°F daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in Guayaquil in September. Check more long-term weather averages for Guayaquil in September before you book your next holiday to Ecuador in 2025/2026.

  • 90°F maximum daytime temperature in September in Guayaquil90
    90°F max day temperature
  • 3 hours of sunshine per day
  • 2 days with some rainfall in September in Guayaquil2
    2 days with some rainfall
  • 66°F minimum night-time temperature in September in Guayaquil66
    66°F min night temperature
  • 12 hours of daylight per day in September in Guayaquil12
    12 hours of daylight per day
  • High heat & humidity in September in GuayaquilH
    High heat & humidity
  • 0.0 inches monthly rainfall in September in Guayaquil0.0
    0.0 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Guayaquil11
    11+ (Extreme) UV index
  • 70°F sea temperature in September in Guayaquil70
    70°F sea temperature

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The September weather guide for Ecuador (Guayaquil) 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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More about Ecuador

How hot is it in Guayaquil in September?

Daytime temperatures usually reach 90°F in Guayaquil in September with high heat and humidity, falling to 66°F at night.

How sunny is it in Guayaquil in September?

There are normally 3 hours of bright sunshine each day in Guayaquil in September - that's 22% of daylight hours.

How warm is the sea around Guayaquil in September?

The average sea temperature around Guayaquil in September is 70°F.

Does it ever rain in Guayaquil in September?

There are usually 2 days with some rain in Guayaquil in September and the average monthly rainfall is 0.0 inches.

Guayaquil September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:17 18:21
Monday, 15th September 2025 06:12 18:17
Tuesday, 30th September 2025 06:06 18:13

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