Over the last 15 years, temperatures on Sept. 15 have ranged from a high of 87.3°F in 2010 and 2024 to a low of 51.3°F in 2014, according to Open-Meteo.
Over the last 15 years, temperatures on Sept. 12 have ranged from a high of 92.5°F in 2019 to a low of 56.9°F in 2015 and 2022, according to Open-Meteo.