Mérida Weather in September
September in Mérida brings high temperatures, with daytime highs of 29°C (84°F) and nights around 25°C (77°F). It's part of the rainy season, with 289 mm (11 in) of rainfall on average, so an umbrella or poncho is a good idea.
Rainfall in Mérida in September
Mérida is in the rainy season in September, with rain on around 23 days and an average of 289 mm (11 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Mérida in September
Temperatures in Mérida in September top out at 29°C (84°F) and drop to 25°C (77°F) overnight. This kind of day-to-night contrast is typical for this time of year. With lows around 25°C (77°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Mérida in September
The month experiences a moderate amount of sunlight, with 150 hours of sunshine. This provides a nice balance between sunshine and rain.September in Mérida 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.
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 Mérida's climate page.
Mérida Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
29°C (84°F)
Chance of Rain
77%
Precipitation
289 mm (11 in)
Rainy days
23 days
Sunshine
150 hours *
Percentage Sunshine
*
Daily Historical Temperatures
33-year average (1983-2025)
Based on our historical records, temperatures in Mérida typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 25°C (77°F).
Average temperatures in September
Historical weather for Mérida in September
Browse day-by-day weather records for Mérida spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mérida historical weather extremes in September
The extremes listed below come from historical weather data collected in Mérida from 2004 through 2025.
- Mérida recorded its highest September temperature of 34°C (93°F) on September 18, 2019.
- The lowest daytime temperature in September was 26°C (79°F), recorded on September 26, 2010.
- The coldest night in September in Mérida was on September 12, 2009, with a minimum of 21°C (70°F).
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 Mérida 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! It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Mérida 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 Mérida's climate page.
See the full Mérida climate overview or explore weather in Nicaragua.
