September weather in Paradise Valley, AZ
The average temperature in Paradise Valley in September is 86.7°F (75.3°F–98.2°F). Average precipitation: 0.60 inches.
September is a fall month in Paradise Valley, and is warmer than the annual average of 73.2°F. Daily temperatures swing about 22.9°F between overnight low and afternoon high. Expect about 2 days with precipitation. Daylight averages about 12h 12m. For travel, September is hot.
Avg High
98.2°F
Avg Low
75.3°F
Precipitation
0.60 in
Daylight
12h 12m
September records in Paradise Valley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 108.0°F (2007) | 73.0°F (2021) | 0.05 in (2025) |
| September 2 | 107.1°F (2025) | 73.0°F (2006) | 0.33 in (2006) |
| September 3 | 108.0°F (2010) | 73.0°F (2006) | 0.06 in (2025) |
| September 4 | 113.0°F (2020) | 73.9°F (2006) | 0.10 in (2025) |
| September 5 | 113.0°F (2020) | 70.0°F (2004) | 0.18 in (2009) |
| September 6 | 111.0°F (2020) | 68.0°F (2004) | 0.41 in (2006) |
| September 7 | 106.0°F (2011) | 72.0°F (2006) | 0.60 in (2006) |
| September 8 | 107.1°F (2023) | 70.0°F (2014) | 2.49 in (2014) |
| September 9 | 111.0°F (2023) | 66.9°F (2020) | 0.46 in (2013) |
| September 10 | 109.9°F (2023) | 66.0°F (2020) | 0.11 in (2008) |
| September 11 | 106.0°F (2004) | 66.0°F (2010) | 0.05 in (2012) |
| September 12 | 108.0°F (2017) | 68.0°F (2020) | 0.03 in (2023) |
| September 13 | 108.0°F (2021) | 68.0°F (2010) | 0.20 in (2015) |
| September 14 | 107.1°F (2018) | 69.1°F (2005) | 0.42 in (2015) |
| September 15 | 108.0°F (2018) | 64.0°F (2005) | 0.00 in (2002) |
| September 16 | 107.1°F (2020) | 64.9°F (2016) | 0.02 in (2007) |
| September 17 | 106.0°F (2018) | 64.9°F (2006) | 0.03 in (2014) |
| September 18 | 107.1°F (2010) | 66.0°F (2005) | 0.09 in (2004) |
| September 19 | 106.0°F (2010) | 64.9°F (2006) | 0.15 in (2004) |
| September 20 | 105.1°F (2020) | 68.0°F (2002) | 0.11 in (2007) |
| September 21 | 104.0°F (2003) | 59.0°F (2004) | 0.00 in (2002) |
| September 22 | 105.1°F (2012) | 59.0°F (2004) | 1.45 in (2015) |
| September 23 | 105.1°F (2011) | 60.1°F (2004) | 0.64 in (2019) |
| September 24 | 105.1°F (2025) | 59.0°F (2016) | 0.04 in (2003) |
| September 25 | 118.0°F (2009) | 57.0°F (2017) | 0.00 in (2002) |
| September 26 | 106.0°F (2024) | 57.9°F (2017) | 0.97 in (2025) |
| September 27 | 109.9°F (2024) | 63.0°F (2007) | 1.09 in (2014) |
| September 28 | 111.9°F (2024) | 59.0°F (2013) | 0.01 in (2014) |
| September 29 | 108.0°F (2024) | 63.0°F (2013) | 0.00 in (2002) |
| September 30 | 106.0°F (2024) | 62.1°F (2014) | 0.05 in (2018) |