El Salvador

El Salvador Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in El Salvador in September.

Planning a getaway to El Salvador this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in El Salvador in September

September in El Salvador generally has temperatures that range from warm to very warm, with heavy precipitation.

Temperatures

During the day the temperature is warm in Apaneca at 29°C (84°F) and very warm in San Miguel at 32°C (90°F). As night falls, temperatures generally drop to 23°C (73°F) in San Miguel and 21°C (70°F) in Apaneca. These night and day temperatures are average and some days may be even warmer. So be prepared and dress for the heat.

For specific regional insights in El Salvador, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From heavy rainfall in Metapán with an average of 240 mm (9.4 in) to heavy rainfall in Juayúa with 386 mm (15 in). It experiences its highest rainfall in this month of the year. Come prepared by bringing an umbrella.

Average sunshine

Most areas see decent amounts of sunshine this month. San Salvador gets around 181 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore El Salvador by month

Best Places to Visit in El Salvador in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across El Salvador.

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).

Popular Destinations in El Salvador

What is the weather like in September for some of the most popular destinations in El Salvador?

Temperature range in El Salvador (September)

Precipitation variation in El Salvador (September)

San Salvador

In September San Salvador generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
32°C (90°F)
31°C (88°F)
31°C (88°F)
Min temperature
23°C (73°F)
22°C (72°F)
22°C (72°F)
Monthly sun hours
259 hours
181 hours
210 hours
Monthly rainfall
237 mm (9.3 in)
322 mm (13 in)
252 mm (9.9 in)
Monthly rainy days
27 days
29 days
23 days
Weather conditions

La Libertad

In September La Libertad generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
30°C (86°F)
29°C (84°F)
29°C (84°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
259 hours
181 hours
210 hours
Monthly rainfall
254 mm (10 in)
340 mm (13 in)
287 mm (11 in)
Monthly rainy days
25 days
28 days
22 days
Weather conditions

El Cuco

In September El Cuco generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
32°C (90°F)
31°C (88°F)
30°C (86°F)
Min temperature
26°C (79°F)
25°C (77°F)
25°C (77°F)
Monthly rainfall
246 mm (9.7 in)
348 mm (14 in)
328 mm (13 in)
Monthly rainy days
22 days
28 days
23 days
Weather conditions

Concepción de Ataco

In September Concepción de Ataco generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
30°C (86°F)
29°C (84°F)
29°C (84°F)
Min temperature
22°C (72°F)
22°C (72°F)
21°C (70°F)
Monthly sun hours
258 hours
202 hours
233 hours
Monthly rainfall
269 mm (11 in)
384 mm (15 in)
298 mm (12 in)
Monthly rainy days
27 days
28 days
21 days
Weather conditions

El Sunzal

In September El Sunzal generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

August
September
October
Max temperature
30°C (86°F)
29°C (84°F)
29°C (84°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
259 hours
181 hours
210 hours
Monthly rainfall
258 mm (10 in)
346 mm (14 in)
287 mm (11 in)
Monthly rainy days
27 days
28 days
22 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in El Salvador.

In our records: El Salvador September extremes

Notable September records observed across cities in El Salvador in our climate database (1995 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest September day in El Salvador brought 298 mm (12 in) in Acajutla on September 1, 2005.

Popular cities in September

Day & night temperatures, rainfall and average weather in El Salvador in September.

City Weather Day temp Night temp Rainfall
San Salvador 31°C (88°F) 22°C (72°F) 322 mm (13 in)
La Libertad 29°C (84°F) 24°C (75°F) 340 mm (13 in)
Concepción de Ataco 29°C (84°F) 22°C (72°F) 384 mm (15 in)
El Cuco 31°C (88°F) 25°C (77°F) 348 mm (14 in)
Santa Ana 31°C (88°F) 21°C (70°F) 267 mm (11 in)
San Miguel 32°C (90°F) 23°C (73°F) 347 mm (14 in)

El Salvador weather in September: frequently asked questions

What is the weather like in El Salvador in September?

El Salvador typically experiences poor weather in September, part of the season. Daytime highs in San Salvador average around 31°C (88°F), and temperatures drop to about 22°C (72°F) at night.

What is the average temperature in El Salvador in September?

Daytime temperatures in San Salvador peak at roughly 31°C (88°F) in September, dropping to about 22°C (72°F) overnight.

Does El Salvador get a lot of rain in September?

Yes. September brings heavy rainfall to El Salvador, with San Salvador averaging around 322 mm (13 in). Expect frequent showers and pack accordingly.

Is September a Good Time to Visit El Salvador?

In our opinion, September may not be the ideal time to visit El Salvador due to the typically poor weather in San Salvador.

Generally speaking, the best visiting conditions can be found in December offering mostly pleasant weather in San Salvador. In contrast, February, March, April, May, June, July, August, September and October tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in El Salvador.

Weather and climate has detailed information for every country in the world. Are you going to El Salvador? Get detailed historical weather averages for many cities in El Salvador.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.