10. Dodge City, Kansas
> Avg. temperature, Sept. 2021: 74.7 °F
> Change from avg. Sept. temperature, 1901-2000: +6.2
> Hottest September on record: 2019 (Avg temperature: 78.0 °F)
9. International Falls, Minnesota
> Avg. temperature, Sept. 2021: 59.0 °F
> Change from avg. Sept. temperature, 1901-2000: +6.3
> Hottest September on record: 2009 (Avg temperature: 60.1 °F)
8. Cheyenne, Wyoming
> Avg. temperature, Sept. 2021: 63.5 °F
> Change from avg. Sept. temperature, 1901-2000: +6.6
> Hottest September on record: 2015 (Avg temperature: 64.7 °F)
7. Minot, North Dakota
> Avg. temperature, Sept. 2021: 65.0 °F
> Change from avg. Sept. temperature, 1901-2000: +6.8
> Hottest September on record: 2009 (Avg temperature: 66.1 °F)
6. Carson City, Nevada
> Avg. temperature, Sept. 2021: 70.2 °F
> Change from avg. Sept. temperature, 1901-2000: +6.8
> Hottest September on record: 2012 (Avg temperature: 70.7 °F)
