Monterrico weather in September 2025

Expect 90°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Monterrico in September. Check more long-term weather averages for Monterrico in September before you book your next holiday to Guatemala in 2025/2026.

  • 90°F maximum daytime temperature in September in Monterrico90
    90°F max day temperature
  • 6 hours of sunshine per day
  • 24 days with some rainfall in September in Monterrico24
    24 days with some rainfall
  • 72°F minimum night-time temperature in September in Monterrico72
    72°F min night temperature
  • 12 hours of daylight per day in September in Monterrico12
    12 hours of daylight per day
  • Very high heat & humidity in September in MonterricoVH
    Very High heat & humidity
  • 13.9 inches monthly rainfall in September in Monterrico13.9
    13.9 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Monterrico11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Monterrico84
    84°F sea temperature

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The September weather guide for Guatemala (Monterrico) 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 Guatemala

How hot is it in Monterrico in September?

Daytime temperatures usually reach 90°F in Monterrico in September with very high heat and humidity, falling to 72°F at night.

How sunny is it in Monterrico in September?

There are normally 6 hours of bright sunshine each day in Monterrico in September - that's 52% of daylight hours.

How warm is the sea around Monterrico in September?

The average sea temperature around Monterrico in September is 84°F.

Does it rain in Monterrico in September?

There are usually 24 days with some rain in Monterrico in September and the average monthly rainfall is 13.9 inches.

What is the chance of a hurricane in Monterrico in September?

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

Monterrico September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:50 18:13
Monday, 15th September 2025 05:51 18:03
Tuesday, 30th September 2025 05:51 17:52

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