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Llano de Los Patos Weather in September

In Llano de Los Patos, September brings very high daytime temperatures around 31°C (88°F), with nights cooling to 25°C (77°F). It is the wettest month of the year, so expect more rainfall than usual.

Rainfall in Llano de Los Patos in September

Llano de Los Patos is in the rainy season in September, with rain on around 28 days and an average of 352 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 Llano de Los Patos in September

Daytime temperatures in Llano de Los Patos reach 31°C (88°F) in September, dropping to 25°C (77°F) at night. For most visitors, the main thing to prepare for is the heat during the day. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Llano de Los Patos. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit El Salvador, check out our Llano de Los Patos's climate page.

Llano de Los Patos Temperature in September

Min TemperatureMin Temperature 25°C (77°F)  
Max TemperatureMax Temperature 31°C (88°F)  
Chance of RainChance of Rain 93%  
PrecipitationPrecipitation 352 mm (14 in)  
Rainy daysRainy days 28 days  
HumidityHumidity 80% *  
* Data from: San Miguel, El Salvador (42 KM, 26 Miles).

Daily Historical Temperatures

40-year average (1983-2025)

Based on our historical records, temperatures in Llano de Los Patos typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°F).

Average temperatures in September

Historical weather for Llano de Los Patos in September

Browse day-by-day weather records for Llano de Los Patos spanning 46 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Llano de Los Patos historical weather extremes in September

Based on weather observations in Llano de Los Patos between 2001 and 2025, these are the recorded extremes during September.

  • Llano de Los Patos recorded its highest September temperature of 37°C (99°F) on September 7, 2019.
  • On September 27, 2010, Llano de Los Patos saw its coldest September day with temperatures maxing out at 26°C (79°F).
  • The lowest overnight temperature recorded in September was 20°C (68°F) (September 1, 2005).

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 →

Map not visible? Whoops sorry! Please refresh the page.
Legend 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 Llano de Los Patos 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.

What To Do in Llano de Los Patos in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling
7/10
Walking
7/10
Camping
7/10
Outdoor sports
7/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit El Salvador, check out our Llano de Los Patos's climate page.

More climate data for Llano de Los Patos