What is the weather like in Guatemala City vs San Salvador in September?

In September, Guatemala City averages 26°C high / 17°C low with about 101 mm of rain; San Salvador averages 30°C high / 21°C low with about 293 mm.

Guatemala City vs San Salvador in September

Guatemala City is the better pick in September — 83 vs 53 on SeasonMap's comfort score. Guatemala City is warm, rainy, clean air, while San Salvador is sweltering, soaked, muggy air.

Guatemala City vs San Salvador — September climate, side by side

	🇬🇹 Guatemala City	🇸🇻 San Salvador
Comfort score	83/100 (A)	53/100 (D)
Feels-like high	28°C	35°C
Avg high / low	26° / 17°	30° / 21°
Rainfall	101 mm	293 mm
Rainy days	17	29
Humidity	83%	87%
Air quality (AQI)	47	51

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Guatemala City vs San Salvador in September — FAQ

Is September better in Guatemala City or San Salvador?: Guatemala City is the better pick in September — 83 vs 53 on SeasonMap's comfort score. Guatemala City is warm, rainy, clean air, while San Salvador is sweltering, soaked, muggy air.
What is the weather like in Guatemala City vs San Salvador in September?: In September, Guatemala City averages 26°C high / 17°C low with about 101 mm of rain; San Salvador averages 30°C high / 21°C low with about 293 mm.