What is the weather like in Antigua Guatemala vs San Juan del Sur in September?

In September, Antigua Guatemala averages 26°C high / 18°C low with about 306 mm of rain; San Juan del Sur averages 31°C high / 25°C low with about 252 mm.

Antigua Guatemala vs San Juan del Sur in September

San Juan del Sur is the better pick in September — 68 vs 59 on SeasonMap's comfort score. San Juan del Sur is sweltering, soaked, clean air, while Antigua Guatemala is hot, soaked, muggy air.

Antigua Guatemala vs San Juan del Sur — September climate, side by side

	🇬🇹 Antigua Guatemala	🇳🇮 San Juan del Sur
Comfort score	59/100 (D)	68/100 (C)
Feels-like high	29°C	37°C
Avg high / low	26° / 18°	31° / 25°
Rainfall	306 mm	252 mm
Rainy days	27	27
Humidity	84%	85%
Air quality (AQI)	74	26

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

Month by month

Antigua Guatemala vs San Juan del Sur in September — FAQ

Is September better in Antigua Guatemala or San Juan del Sur?: San Juan del Sur is the better pick in September — 68 vs 59 on SeasonMap's comfort score. San Juan del Sur is sweltering, soaked, clean air, while Antigua Guatemala is hot, soaked, muggy air.
What is the weather like in Antigua Guatemala vs San Juan del Sur in September?: In September, Antigua Guatemala averages 26°C high / 18°C low with about 306 mm of rain; San Juan del Sur averages 31°C high / 25°C low with about 252 mm.