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León Weather in September
León in September averages 32°C (90°F) during the day and 24°C (75°F) at night. September is part of the rainy season, so frequent rainfall is typical.
Rainfall in León in September
León is in the rainy season in September, with rain on around 24 days and an average of 331 mm (13 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in León in September
If you're visiting León in September, expect highs of 32°C (90°F) and overnight lows around 24°C (75°F). For most visitors, the main thing to prepare for is the heat during the day. With lows around 24°C (75°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in León in September
The area enjoys a moderate level of sunlight, with around 174 hours. It's a good balance between sunny and rainy days.September in León has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
León Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
32°C (90°F)
Chance of Rain
81%
Precipitation
331 mm (13 in)
Rainy days
24 days
Sunshine
174 hours *
Percentage Sunshine
*
* Data from: Chinandega, Nicaragua (35 KM, 22 Miles).
León Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in León - and find the best time to visit.
Daily Historical Temperatures
34-year average (1983-2026)
Based on our historical records, temperatures in León typically stay consistent throughout September, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Historical weather records for León in September
Browse day-by-day weather records for León spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
León historical weather extremes in September
Based on weather observations in León between 2004 and 2026, these are the recorded extremes during September.
- On September 12, 2026, temperatures climbed to 40°C (104°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 25°C (77°F), recorded on September 26, 2010.
- Nighttime temperatures dropped to 20°C (68°F) on September 15, 2025, marking the coldest September night on record.
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 →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in León in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in León in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
León 3-Day Forecast
More climate data for León
See the full León climate overview or explore weather in Nicaragua.
Popular in September
Where to go in September - average daytime high across popular destinations.
Managua
33°C (91°F) León32°C (90°F) Popoyo30°C (86°F) Estelí30°C (86°F) Granada31°C (88°F) Big Corn Island29°C (84°F) Moyogalpa29°C (84°F) San Juan del Sur29°C (84°F) Bucket list
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