What is the weather like in St. John's, Newfoundland vs Washington in September?

In September, St. John's, Newfoundland averages 18°C high / 9°C low with about 91 mm of rain; Washington averages 28°C high / 17°C low with about 108 mm.

St. John's, Newfoundland vs Washington in September

St. John's, Newfoundland and Washington are nearly tied in September — 77 vs 80 on SeasonMap's comfort score. St. John's, Newfoundland is nice, rainy, clean air; Washington is hot, rainy, clean air.

St. John's, Newfoundland vs Washington — September climate, side by side

	🇨🇦 St. John's, Newfoundland	🇺🇸 Washington
Comfort score	77/100 (B)	80/100 (A)
Feels-like high	17°C	30°C
Avg high / low	18° / 9°	28° / 17°
Rainfall	91 mm	108 mm
Rainy days	10	8
Humidity	81%	74%
Air quality (AQI)	36	47

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

Month by month

St. John's, Newfoundland vs Washington in September — FAQ

Is September better in St. John's, Newfoundland or Washington?: St. John's, Newfoundland and Washington are nearly tied in September — 77 vs 80 on SeasonMap's comfort score. St. John's, Newfoundland is nice, rainy, clean air; Washington is hot, rainy, clean air.
What is the weather like in St. John's, Newfoundland vs Washington in September?: In September, St. John's, Newfoundland averages 18°C high / 9°C low with about 91 mm of rain; Washington averages 28°C high / 17°C low with about 108 mm.