Sunday was hottest September day on record in Tucson

After a weekend of more weather record-breakers in the Old Pueblo, Monday marked the beginning of a return to more normal temperatures.

Tucson experienced a record-high temperature for a September day, reaching 111 degrees on Sunday. That surpassed the record of 110 set on Sept. 4, 2020, according to the National Weather Service in Tucson.

Saturday also saw a heat record fall. That day’s high of 108 topped the previous record for Sept. 9, set in 1990.

The city’s official weather records go back to 1895.

Tucson’s average high for this time of year is about 96 degrees.

Back to homepage

Subscriber Login

Keep reading with a digital access subscription.

Subscribe now

The scorching conditions began to wind down Monday, with the high topping out at 103. There’s also a chance for showers and thunderstorms through Wednesday across much of Southern Arizona, followed by a return to dry weather going into the weekend.

Expect highs in the low- to mid-90s from Tuesday onward throughout the week, with slightly above-average temperatures possible by the weekend.

Any recorded rain would add to Tucson’s official Monsoon 2023 rainfall total, which stands at 4.39 inches as of Monday. According to the weather service, the average total for this time of year is 4.94 inches.

The monsoon season ends Sept. 30.