What is the weather like in Indianapolis vs Niagara Falls in September?

In September, Indianapolis averages 27°C high / 16°C low with about 64 mm of rain; Niagara Falls averages 24°C high / 14°C low with about 68 mm.

Indianapolis vs Niagara Falls in September

Indianapolis and Niagara Falls are nearly tied in September — 89 vs 92 on SeasonMap's comfort score. Indianapolis is warm, a little rain, clean air; Niagara Falls is nice, a little rain, clean air.

Indianapolis vs Niagara Falls — September climate, side by side

	🇺🇸 Indianapolis	🇨🇦 Niagara Falls
Comfort score	89/100 (A)	92/100 (S)
Feels-like high	28°C	23°C
Avg high / low	27° / 16°	24° / 14°
Rainfall	64 mm	68 mm
Rainy days	5	7
Humidity	68%	74%
Air quality (AQI)	42	49

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

Month by month

Indianapolis vs Niagara Falls in September — FAQ

Is September better in Indianapolis or Niagara Falls?: Indianapolis and Niagara Falls are nearly tied in September — 89 vs 92 on SeasonMap's comfort score. Indianapolis is warm, a little rain, clean air; Niagara Falls is nice, a little rain, clean air.
What is the weather like in Indianapolis vs Niagara Falls in September?: In September, Indianapolis averages 27°C high / 16°C low with about 64 mm of rain; Niagara Falls averages 24°C high / 14°C low with about 68 mm.