El Sunzal Weather in September
El Sunzal in September sees high daytime temperatures of 29°C (84°F) and nighttime lows of 24°C (75°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.
Rainfall in El Sunzal in September
As part of the rainy season, El Sunzal sees around 28 days of rain in September, with an average of 346 mm (14 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in El Sunzal in September
Temperatures in El Sunzal in September top out at 29°C (84°F) and drop to 24°C (75°F) overnight. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in El Sunzal in September
The area enjoys a balanced 181 hours of sunlight, ensuring it's neither too rainy nor too sunny.September in El Sunzal has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
El Sunzal Temperature in September
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El Sunzal Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in El Sunzal - and find the best time to visit.
Daily Historical Temperatures
35-year average (1981-2025)
Based on our historical records, temperatures in El Sunzal typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 22°C (72°F).
Average temperatures in September
Daily Historical Precipitation
35-year average (1981-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for El Sunzal in September
Browse day-by-day weather records for El Sunzal spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
El Sunzal historical weather extremes in September
Based on weather observations in El Sunzal between 2005 and 2025, these are the recorded extremes during September.
- The warmest day in September was on September 14, 2023, with a maximum of 34°C (93°F).
- On September 3, 2010, El Sunzal saw its coldest September day with temperatures maxing out at 25°C (77°F).
- The coldest night in September in El Sunzal was on September 14, 2005, with a minimum of 18°C (64°F).
- Peak precipitation in September occurred on September 15, 2016, when 172 mm (6.8 in) of precipitation was measured.
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 El Sunzal 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. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in El Sunzal 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
El Sunzal 3-Day Forecast
Temperature Rainfall Sunshine Humidity
See the full El Sunzal 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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