Click on a day for an hourly weather forecast
The weather in El Salvador in September is very hot. The average temperatures are between 24°C and 31°C, drinking water regularly is advisable.
There’s going to be many days of rain during the month of September in El Salvador.
El Salvador should expect an average of 15 to 22 days of rain, so be sure to bring along a waterproof jacket to stay dry this month!
Our weather forecast can give you a great sense of what weather to expect in El Salvador in September 2025.
If you’re planning to visit El Salvador in the near future, we highly recommend that you review the 14 day weather forecast for El Salvador before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 33° / 23° | 0 | 31 | 0 | 6 mm | Good | El Salvador in January |
| February | 33° / 23° | 1 | 28 | 0 | 12 mm | Good | El Salvador in February |
| March | 33° / 24° | 1 | 30 | 0 | 16 mm | Good | El Salvador in March |
| April | 32° / 25° | 5 | 25 | 0 | 97 mm | Good | El Salvador in April |
| May | 32° / 25° | 13 | 18 | 0 | 337 mm | Ok | El Salvador in May |
| June | 31° / 24° | 14 | 16 | 0 | 377 mm | Ok | El Salvador in June |
| July | 32° / 24° | 12 | 19 | 0 | 233 mm | Ok | El Salvador in July |
| August | 32° / 24° | 15 | 16 | 0 | 357 mm | Ok | El Salvador in August |
| September | 31° / 24° | 17 | 13 | 0 | 383 mm | Ok | El Salvador in September |
| October | 31° / 24° | 14 | 17 | 0 | 385 mm | Ok | El Salvador in October |
| November | 32° / 23° | 4 | 26 | 0 | 82 mm | Good | El Salvador in November |
| December | 33° / 22° | 0 | 31 | 0 | 14 mm | Good | El Salvador in December |