SEPTEMBER 2020 THE 13TH COOLEST SEPTEMBER ON RECORD FOR DFW

September 2020 turned out to be the 13th coolest September on record for DFW with an average monthly temperature of 75°F. We were 3.3°F below normal for the month. The coolest temperature of 50°F was recorded on September 29th, only 10°F above the all-time coldest monthly low of 40°F. Pretty impressive considering that only last year, September 2019, was the all-time hottest September on record for DFW. Weather records date back 122 years to September 1898 for the DFW area.