Corn Islands weather in September 2025

Expect 84°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Corn Islands in September. Check more long-term weather averages for Corn Islands in September before you book your next holiday to Nicaragua in 2025/2026.

  • 84°F maximum daytime temperature in September in Corn Islands84
    84°F max day temperature
  • 6 hours of sunshine per day
  • 22 days with some rainfall in September in Corn Islands22
    22 days with some rainfall
  • 72°F minimum night-time temperature in September in Corn Islands72
    72°F 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
  • 12.6 inches monthly rainfall in September in Corn Islands12.6
    12.6 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in September in Corn Islands11
    11+ (Extreme) UV index
  • 84°F sea temperature in September in Corn Islands84
    84°F 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)  |  Imperial (°F)

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How hot is it in Corn Islands in September?

Daytime temperatures usually reach 84°F in Corn Islands in September with high heat and humidity, falling to 72°F at night.

How sunny is it in Corn Islands in September?

There are normally 6 hours of bright sunshine each day in Corn Islands in September - that's 46% of daylight hours.

How warm is the sea around Corn Islands in September?

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

Does it rain in Corn Islands in September?

There are usually 22 days with some rain in Corn Islands in September and the average monthly rainfall is 12.6 inches.

What is the chance of a hurricane in Corn Islands in September?

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

Corn Islands September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:22 17:42
Monday, 15th September 2025 05:21 17:33
Tuesday, 30th September 2025 05:21 17:23

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