20. Lubbock, Texas
> Avg. temperature, Sept. 2021: 75.9 °F
> Change from avg. Sept. temperature, 1901-2000: +5.4
> Hottest September on record: 2019 (Avg temperature: 77.5 °F)
19. Minneapolis-St. Paul, Minnesota
> Avg. temperature, Sept. 2021: 66.5 °F
> Change from avg. Sept. temperature, 1901-2000: +5.4
> Hottest September on record: 2015 (Avg temperature: 67.9 °F)
18. Pueblo, Colorado
> Avg. temperature, Sept. 2021: 70.3 °F
> Change from avg. Sept. temperature, 1901-2000: +5.6
> Hottest September on record: 2019 (Avg temperature: 72.8 °F)
17. Scottsbluff, Nebraska
> Avg. temperature, Sept. 2021: 67.5 °F
> Change from avg. Sept. temperature, 1901-2000: +5.6
> Hottest September on record: 1998 (Avg temperature: 69.2 °F)
16. Reno, Nevada
> Avg. temperature, Sept. 2021: 68.3 °F
> Change from avg. Sept. temperature, 1901-2000: +5.6
> Hottest September on record: 2012 (Avg temperature: 70.4 °F)
