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September in Los Cóbanos averages 30°C (86°F) during the day and 25°C (77°F) at night. It is the wettest month of the year, with 341 mm (13 in) of rainfall on average, so waterproof gear is a must.
September in Los Cóbanos 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.
Pick a month to see the average temperature, rainfall and sunshine in Los Cóbanos - and find the best time to visit.
Browse day-by-day weather records for Los Cóbanos spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 21 years of weather records for Los Cóbanos, the following extremes were recorded between 2005 and 2026.
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).
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! Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Los Cóbanos climate overview or explore weather in El Salvador.
Where to go in September - average daytime high across popular destinations.
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