September In Indiana Used To Be Hot

One hundred degree temperatures used to be common in Indiana during September prior to 1960, but they almost never happen any more.

ScreenHunter_3361 Sep. 30 16.25

The five hottest Septembers in Indiana were 1925, 1933, 1939, 1931 and 1921. September temperatures in Indiana have dropped by about 1°C  over the past 120 years.

ScreenHunter_3360 Sep. 30 16.22

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