Ometepe weather in September

Nicaragua

Ometepe, Nicaragua
Photo: ROBERTO ZUNIGA · Pexels

September in Ometepe: sweltering, soaked, with clean air — a gamble, with 29 rainy days.

#10 of 12 months in Ometepe · #1044 of 1383 destinations to visit in September · comfort 64/100 (tier C)

Updated September 2026 · climate normals from ERA5 reanalysis

Traveller notes on Ometepe in September

No notes yet. Open Ometepe on the map to add the first one.

Ometepe climate normals — September

Daytime high30°C / 86°F🔥 sweltering
Nighttime low25°C / 77°F
Feels like (high)36°C / 97°F
Rainfall291 mm / 11.5 in⛈ soaked
Rainy days29 days
Humidity85%💦 very humid
Dew point24°C / 76°F
Sunshine9.8 h/day
Daylight12.2 h
Wind21 km/h / 13 mph
Air quality (US AQI)22🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Ometepe in September

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Quiettravelers describe it as quiet, school holidays in 2 of the markets that fill it

Sourced from traveler notes: “…in low spots, so sturdy footwear matters. September is also low season, meaning noticeably cheaper prices across the island.LakeNicaraguaIslandRegular

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Peak crowdsBusyShoulder seasonQuiet

Best months for Ometepe's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Toughest weatherOmetepe's weather peaks January–March, best around February.

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Best weatherFair weatherToughest weather

What's on in Ometepe in September

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Season

    Wet season

    MonsoonRisk

    29 rainy days and about 291 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in September

Nearby, and something's on

Within 300 km of Ometepe — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Ometepe?

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Ometepe in September — FAQ

Is September a good time to visit Ometepe?
September in Ometepe: sweltering, soaked, with clean air — a gamble, with 29 rainy days. It ranks #10 of 12 months for Ometepe on SeasonMap's comfort score (64/100).
What is the weather like in Ometepe in September?
In September, Ometepe averages a daily high of 30.2°C and a low of 25.2°C, with about 291 mm of rain over roughly 29.3 rainy days.
What is the air quality in Ometepe in September?
Ometepe has a mean US Air Quality Index of about 22 in September.

Other months in Ometepe

Compare Ometepe in September

Warmer or cooler than Ometepe in September

Similar destinations in Central AmericaSeptember

Within 300 km: Nosara's Arribada at Ostional around 1 Jul – 31 Dec, and Jacó's Humpback whales around 15 Jul – 15 Nov.