Metapán Weather in September
September in Metapán sees daytime temperatures around 30°C (86°F) and lows of 20°C (68°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.
Rainfall in Metapán in September
Known for its peak rainfall, this month often has intense showers. It's wise to carry a poncho to protect yourself from the rain. Based on our climate data of the past 30 years, about 27 days of rain are anticipated, with 240 mm (9.4 in) on average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Metapán in September
Metapán in September gets highs of 30°C (86°F) during the day and drops to 20°C (68°F) at night. Mornings and evenings are often more comfortable than the peak afternoon hours. At 20°C (68°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Metapán in September
Enjoy a sunny month with about 202 hours of sunshine, the clear skies make Metapán even more beautiful.September in Metapán 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.
Metapán Temperature in September
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Metapán Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Metapán - and find the best time to visit.
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Metapán typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 20°C (68°F).
Average temperatures in September
Daily Historical Precipitation
45-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Metapán in September
Browse day-by-day weather records for Metapán spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Metapán historical weather extremes in September
Based on 25 years of weather observations in Metapán between 2000 and 2025, these are the recorded extremes.
- Metapán recorded its highest September temperature of 36°C (97°F) on September 18, 2007.
- Metapán experienced its chilliest September day on September 3, 2000, reaching only 20°C (68°F).
- The lowest overnight temperature recorded in September was 16°C (61°F) (September 10, 2011).
Best Places in El Salvador in September
Find out more about the weather in El Salvador and which places have the best travel conditions in this month. See all of El Salvador in September →
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 Metapán 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. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Metapán in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming8/10 -
Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Metapán 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full Metapán climate overview or explore weather in El Salvador.
Popular in September
Where to go in September - average daytime high across popular destinations.
San Miguel
32°C (90°F) San Salvador31°C (88°F) El Cuco31°C (88°F) Santa Ana31°C (88°F) El Zonte29°C (84°F) Concepción de Ataco29°C (84°F) La Libertad29°C (84°F) El Sunzal29°C (84°F) 
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