Concepción de Ataco Weather in September
September in Concepción de Ataco typically sees daytime highs of 29°C (84°F) and nighttime lows of 22°C (72°F). As the wettest month of the year, expect more rainfall than other months.
Rainfall in Concepción de Ataco in September
Concepción de Ataco is in the rainy season in September, with rain on around 28 days and an average of 384 mm (15 in). With rain on many days and solid totals, showers are frequent and often moderately heavy. Waterproof gear is a sensible idea.
Temperature in Concepción de Ataco in September
Temperatures in Concepción de Ataco in September top out at 29°C (84°F) and drop to 22°C (72°F) overnight. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are mild at around 22°C (72°F), which is comfortable for most people.
Sunshine in Concepción de Ataco in September
Expect sunny days throughout the month, with an estimated 202 hours of sunshine. Despite being the rainy season, it could still be a nice time to visit. Rain often arrives later in the day, keeping most of the days sunny.September in Concepción de Ataco 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 El Salvador, check out our Concepción de Ataco's climate page.
Concepción de Ataco Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
29°C (84°F)
Chance of Rain
94%
Precipitation
384 mm (15 in)
Rainy days
28 days
Humidity
82% *
Sunshine
202 hours *
Percentage Sunshine
*
Historical weather for Concepción de Ataco in September
Browse day-by-day weather records for Concepción de Ataco spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Concepción de Ataco historical weather extremes in September
According to our 20 years of weather records for Concepción de Ataco, the following extremes were recorded between 2005 and 2025.
- On September 10, 2023, temperatures climbed to 36°C (97°F), marking the warmest September day on record.
- On September 3, 2010, Concepción de Ataco saw its coldest September day with temperatures maxing out at 23°C (73°F).
- The coldest night in September in Concepción de Ataco was on September 18, 2019, with a minimum of 10°C (50°F).
- Peak precipitation in September occurred on September 1, 2005, when 162 mm (6.4 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 →
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What to Wear in Concepción de Ataco 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! You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Concepción de Ataco 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 El Salvador, check out our Concepción de Ataco's climate page.
Temperature Rainfall Sunshine Humidity
See the full Concepción de Ataco climate overview or explore weather in El Salvador.
