South Mountain Heights Weather Forecast
- 85
- 102
Chance Rain Showers
- 83
- 103
Chance Rain Showers
- 81
- 101
Chance Rain Showers
- 80
- 99
Chance Thunderstorms
- 82
- 101
Hot
- 83
- 104
Hot
Today 13 Sep South Mountain/Ahwatukee
Partly sunny with a slight chance of Showers and Thunderstorms in the Morning, then mostly sunny in the afternoon. Highs 98 to 103. Southeast wind around 5 Mph in the morning becoming southwest 5 to 10 Mph in the afternoon. Chance of rain 10 percent.
Tonight 13 Sep South Mountain/Ahwatukee
Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows 79 to 86. Southwest wind around 5 Mph in the evening becoming southeast after midnight. Chance of rain 20 percent.
South Mountain Heights Temperature Statistics
September Temperature
Phoenix, Phoenix Sky Harbor International Airport (6.2 miles)
Lowest 1 September, 2026
80.7 °FAverage September
96.5 °FHighest 10 September, 2026
109.7 °F
Climate (2021–2026)
Phoenix, Phoenix Sky Harbor International Airport (6.2 miles)
Average Low 2021–2026
66.8 °FAverage 2021–2026
78.1 °FAverage High 2021–2026
89.7 °F