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León Weather in September
During September, León experiences high daytime temperatures of 27°C (81°F) and cooler nights around 15°C (59°F). Expect quite a bit of rainfall. Around 126 mm (5 in) is typical.
Rainfall in León in September
Typically, about 11 days will experience rainfall, with an average of 126 mm (5 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in León in September
Daytime highs in León in September reach 27°C (81°F), with nights around 15°C (59°F). This kind of day-to-night contrast is typical for this time of year. Nights cool down to 15°C (59°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in León in September
Enjoy a sunny month with about 199 hours of sunshine, the clear skies make León even more beautiful.For León itself, January, February, March, October, November and December generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
León Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
27°C (81°F)
Chance of Rain
37%
Precipitation
126 mm (5 in)
Rainy days
11 days
Sunshine
199 hours *
Percentage Sunshine
*
* Data from: Guanajuato City, Mexico (46 KM, 28 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
49-year average (1976-2025)
Based on our historical records, temperatures in León typically stay consistent throughout September, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows typically ranging from 14°C (57°F) to 16°C (61°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
According to our 40 years of weather records for León, the following extremes were recorded between 1986 and 2026.
- León recorded its highest September temperature of 34°C (93°F) on September 24, 2023.
- The lowest daytime temperature in September was 18°C (64°F), recorded on September 29, 2003.
- Nighttime temperatures dropped to 6°C (43°F) on September 11, 1988, marking the coldest September night on record.
Best Places in Mexico in September
Find out more about the weather in Mexico and which places have the best travel conditions in this month. See all of Mexico 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 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. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
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 Mexico.
Popular in September
Where to go in September - average daytime high across popular destinations.
Puerto Peñasco
34°C (93°F) Los Cabos
32°C (90°F) Tulum31°C (88°F) Cancún30°C (86°F) Playa del Carmen31°C (88°F) Puerto Vallarta29°C (84°F) San Miguel de Allende
27°C (81°F) Mexico City23°C (73°F) Bucket list
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