Corn Islands weather in September 2026

Expect daytime maximum temperatures of 29°C in Corn Islands, Nicaragua in September and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 22 days with some rainfall and typically 321 mm of rainfall in the month.

  • 29°C maximum daytime temperature in September in Corn Islands29
    29°C max day temperature
  • 6 hours of sunshine per day
  • 22 days with some rainfall in September in Corn Islands22
    22 days with some rainfall
  • 22°C minimum night-time temperature in September in Corn Islands22
    22°C min night temperature
  • 12 hours of daylight per day in September in Corn Islands12
    12 hours of daylight per day
  • High heat & humidity in September in Corn IslandsH
    High heat & humidity
  • 321 mm monthly rainfall in September in Corn Islands321
    321 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Corn Islands11
    11+ (Extreme) UV index
  • 29°C sea temperature in September in Corn Islands29
    29°C sea temperature

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The September weather guide for Nicaragua (Corn Islands) 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 Corn Islands in September?

Daytime temperatures usually reach 30°C in Corn Islands in September with high heat and humidity, falling to 21°C at night.

How sunny is it in Corn Islands in September?

There are normally 7 hours of bright sunshine each day in Corn Islands in September - that's 53% of daylight hours.

Does it rain in Corn Islands in September?

There are usually 24 days with some rain in Corn Islands in September and the average monthly rainfall is 233mm.

Corn Islands September sunrise & sunset times

Browse the sunrise and sunset times for Corn Islands in September 2026. Select a month to view Corn Islands sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 05:22 17:42
Tuesday, 15th September 2026 05:21 17:33
Wednesday, 30th September 2026 05:21 17:23

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