Big Corn Island Weather in September
September in Big Corn Island typically sees daytime highs of 29°C (84°F) and nighttime lows of 26°C (79°F). September falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Big Corn Island in September
As part of the rainy season, Big Corn Island sees around 22 days of rain in September, with an average of 266 mm (10 in). The rainy season here brings regular, substantial showers. It's worth being prepared for rain on most days you're out.
Temperature in Big Corn Island in September
September in Big Corn Island brings high temperatures, with highs of 29°C (84°F) and nights around 26°C (79°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Big Corn Island. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Nicaragua, check out our Big Corn Island's climate page.
Big Corn Island Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
73%
Precipitation
266 mm (10 in)
Rainy days
22 days
Historical weather for Big Corn Island in September
Browse day-by-day weather records for Big Corn Island spanning 21 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Big Corn Island historical weather extremes in September
According to our 19 years of weather records for Big Corn Island, the following extremes were recorded between 2006 and 2025.
- The warmest day in September was on September 3, 2008, with a maximum of 30°C (86°F).
- Big Corn Island experienced its chilliest September day on September 20, 2008, reaching only 27°C (81°F).
- The coldest night in September in Big Corn Island was on September 24, 2014, with a minimum of 25°C (77°F).
- The heaviest September precipitation occurred on September 20, 2024, when 46 mm (1.8 in) of precipitation fell.
Best Places in Nicaragua in September
Find out more about the weather in Nicaragua and which places have the best travel conditions in this month. See all of Nicaragua in September →
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What to Wear in Big Corn Island in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!What To Do in Big Corn Island in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Nicaragua, check out our Big Corn Island's climate page.
See the full Big Corn Island climate overview or explore weather in Nicaragua.
