What is the weather like in Mexico City vs Washington in September?

In September, Mexico City averages 25°C high / 14°C low with about 178 mm of rain; Washington averages 28°C high / 17°C low with about 108 mm.

Mexico City vs Washington in September

Mexico City and Washington are nearly tied in September — 81 vs 80 on SeasonMap's comfort score. Mexico City is warm, soaked, muggy air; Washington is hot, rainy, clean air.

Mexico City vs Washington — September climate, side by side

	Mexico City	Washington
Comfort score	81/100 (A)	80/100 (A)
Feels-like high	26°C	30°C
Avg high / low	25° / 14°	28° / 17°
Rainfall	178 mm	108 mm
Rainy days	21	8
Humidity	80%	74%
Air quality (AQI)	65	47

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

Mexico City vs Washington in September — FAQ

Is September better in Mexico City or Washington?: Mexico City and Washington are nearly tied in September — 81 vs 80 on SeasonMap's comfort score. Mexico City is warm, soaked, muggy air; Washington is hot, rainy, clean air.
What is the weather like in Mexico City vs Washington in September?: In September, Mexico City averages 25°C high / 14°C low with about 178 mm of rain; Washington averages 28°C high / 17°C low with about 108 mm.