September
Weather in El Salvador for September 2025
Your guide to El Salvador weather in September - trends and predictions
In general, the average temperature in El Salvador at the beginning of September is 28.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 27.1 °C by the end of September.
El Salvador experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 466.2 mm.
Temperatures
Rain 🌧️
0
Dry days
30
Rainy days
0
Snow days
28°/20°
Temperatures
6 km/h
Avg max wind
88 %
Avg humidity
El Salvador in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  29° | 2 28° | 3 29° | 4 28° | 5  28° | 6 29° | 7 28° |
| 8 28° | 9 28° | 10 29° | 11 29° | 12  30° | 13  30° | 14 29° |
| 15 28° | 16  29° | 17 30° | 18 29° | 19 30° | 20 28° | 21 27° |
| 22 28° | 23 27° | 24 27° | 25 28° | 26 28° | 27 28° | 28 26° |
| 29 26° | 30 27° |
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Temperatures trend during September in El Salvador
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy light rain with thunder | 29° /20° | 31.2 mm | 7 | |
| 2 Sept. | Patchy light rain with thunder | 28° /20° | 34 mm | 6 | |
| 3 Sept. | Patchy light rain with thunder | 29° /20° | 25.1 mm | 6 | |
| 4 Sept. | Patchy light rain with thunder | 28° /20° | 25.8 mm | 6 | |
| 5 Sept. | Moderate or heavy rain shower | 28° /19° | 32 mm | 6 | |
| 6 Sept. | Patchy light rain with thunder | 29° /20° | 12.1 mm | 7 | |
| 7 Sept. | Patchy light rain with thunder | 28° /20° | 5.3 mm | 7 | |
| 8 Sept. | Patchy light rain with thunder | 28° /20° | 13.3 mm | 7 | |
| 9 Sept. | Patchy light rain with thunder | 28° /20° | 18.4 mm | 6 | |
| 10 Sept. | Moderate or heavy rain shower | 29° /20° | 25.6 mm | 7 | |
| 11 Sept. | Moderate or heavy rain shower | 29° /19° | 19.3 mm | 7 | |
| 12 Sept. | Mist | 30° /20° | 2.3 mm | 7 | |
| 13 Sept. | Partly cloudy | 30° /20° | 11.4 mm | 7 | |
| 14 Sept. | Fog | 29° /20° | 11.9 mm | 7 | |
| 15 Sept. | Mist | 28° /20° | 9.3 mm | 6 | |
| 16 Sept. | Patchy rain possible | 29° /20° | 15 mm | 7 | |
| 17 Sept. | Light rain shower | 30° /20° | 9.7 mm | 7 | |
| 18 Sept. | Patchy light rain with thunder | 29° /20° | 12.2 mm | 7 | |
| 19 Sept. | Patchy rain possible | 30° /19° | 8.3 mm | 7 | |
| 20 Sept. | Patchy rain possible | 28° /20° | 25.2 mm | 6 | |
| 21 Sept. | Light rain shower | 27° /20° | 18.6 mm | 6 | |
| 22 Sept. | Patchy light rain with thunder | 28° /19° | 19.5 mm | 7 | |
| 23 Sept. | Patchy light rain with thunder | 27° /19° | 9.9 mm | 6 | |
| 24 Sept. | Patchy light rain with thunder | 27° /20° | 14 mm | 6 | |
| 25 Sept. | Patchy light rain with thunder | 28° /20° | 7.6 mm | 6 | |
| 26 Sept. | Patchy rain possible | 28° /19° | 3.1 mm | 7 | |
| 27 Sept. | Patchy rain possible | 28° /20° | 11.7 mm | 7 | |
| 28 Sept. | Fog | 26° /20° | 9.5 mm | 6 | |
| 29 Sept. | Light rain shower | 26° /19° | 8.2 mm | 6 | |
| 30 Sept. | Patchy light rain with thunder | 27° /20° | 16.8 mm | 6 | |
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Important Notice
Our weather forecast for El Salvador in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the El Salvador forecast closer to your planned date for the most up-to-date weather information.
El Salvador in September - FAQ
What are the expected maximum and minimum temperatures in El Salvador during September?
During September, expect a variety of temperatures with highs around 28° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in El Salvador during September?
Significant rainfall exceeding 466.2 mm is expected in El Salvador during September, occurring over more than 30 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in El Salvador during September?
The average wind speed in El Salvador during September is 6 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in El Salvador
Explore the daily rainfall trends and prepare for El Salvadors September weather 💧
UV exposure in El Salvador during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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