20. Lubbock, Texas
> Average temperature, September 2021: 75.9°F (5.4°F above average)
> Average September temperature, 1901-2000: 70.5°F
> Hottest September on record: 2019 (77.5°F)
> Coldest September on record: 1974 (62.7°F)
19. Minneapolis-St. Paul, Minnesota
> Average temperature, September 2021: 66.5°F (5.4°F above average)
> Average September temperature, 1901-2000: 61.1°F
> Hottest September on record: 2015 (67.9°F)
> Coldest September on record: 1965 (53.5°F)
18. Pueblo, Colorado
> Average temperature, September 2021: 70.3°F (5.6°F above average)
> Average September temperature, 1901-2000: 64.7°F
> Hottest September on record: 2019 (72.8°F)
> Coldest September on record: 1961 (59.1°F)
17. Scottsbluff, Nebraska
> Average temperature, September 2021: 67.5°F (5.6°F above average)
> Average September temperature, 1901-2000: 61.9°F
> Hottest September on record: 1998 (69.2°F)
> Coldest September on record: 1912 (53.0°F)
16. Reno, Nevada
> Average temperature, September 2021: 68.3°F (5.6°F above average)
> Average September temperature, 1901-2000: 62.7°F
> Hottest September on record: 2012 (70.4°F)
> Coldest September on record: 1965 (56.1°F)