León weather in September

September in León: sweltering, soaked, with clean air — not the time — 28 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

León🇳🇮 Nicaragua · Northern Central America · City48
  1. 80Jan
  2. 77Feb
  3. 73Mar
  4. 69Apr
  5. 53May
  6. 48Jun
  7. 66Jul
  8. 56Aug
  9. 48Sep
  10. 50Oct
  11. 61Nov
  12. 78Dec

#12 of 12 months in León · #1282 of 1413 destinations to visit in September · comfort 48/100 (tier F)

Days
30°C
Nights
25°C
Wet days
28
Sun
10.2 h
Humidity
83%
Daylight
12 h
León, Nicaragua
Photo: Claudioruiz67 · CC0

Traveller notes on León in September

Other months in León

Nicaragua's forum describes July on the Pacific side, where León sits, as genuinely manageable rainy season: a hard, heavy shower for roughly an hour in the afternoon, then sunny again, rarely enough to derail a day's plans. Posters flagged a real bonus within the season - the 'veranillo' or little summer, a lull in the rain that typically runs from the last weeks of July into early August. June, the start of the rainy season, tends to run a touch cooler with a similar roughly-hour-long daily rain pattern, so July generally continues that same rhythm rather than intensifying dramatically.
NicaraguaPacificRegular · July · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe Leon as sitting in Nicaragua's hot lowlands, with January daytime temperatures commonly cited around 90F - genuinely one of the hottest spots in the country even in the cooler dry season. Posters flag a specific January quirk: a strong windy season that can pick up enough to occasionally halt ferry crossings, worth factoring into any itinerary involving nearby water crossings. For beach time near Leon, posters recommend Las Penitas - described as a small, laid-back community with beautiful beaches, a popular pairing with a colonial Leon city stay for travelers wanting both history and coastline in the same trip.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from León's card on the map.

León climate normals — September

Daytime high30°C / 86°F🔥 sweltering
Nighttime low25°C / 76°F
Feels like (high)37°C / 99°F
Sea temperature32°C / 89°F♨️ bath-warm
Rainfall349 mm / 13.7 in⛈ soaked
Rainy days28 days
Humidity83%💦 very humid
Dew point24°C / 74°F
Sunshine10.2 h/day
Daylight12.2 h
Wind13 km/h / 8 mph
Air quality (US AQI)37🍃 good

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

Crowds in León 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.

BusyIndependence Day, school holidays in 2 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for León'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 weatherLeón's weather peaks December–February, best around January.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in León in September

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

  • Holiday

    Independence Day

    14–15 SepNational holidayClosuresCrowded

    Torch relays and school bands work through the streets around the cathedral on the fourteenth and fifteenth. Banks, offices and most of the museums close for both days. Source ↗

  • Season

    Wet season

    MonsoonRisk

    28 rainy days and about 349 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 →

Where is León?

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León in September — FAQ

Is September a good time to visit León?
September in León: sweltering, soaked, with clean air — not the time — 28 rainy days. It ranks #12 of 12 months for León on SeasonMap's comfort score (48/100).
What is the weather like in León in September?
In September, León averages a daily high of 30.2°C and a low of 24.6°C, with about 349.2 mm of rain over roughly 28 rainy days.
What is the air quality in León in September?
León has a mean US Air Quality Index of about 37 in September.