September weather in Lake Havasu City, AZ
The average temperature in Lake Havasu City in September is 88.2°F (74.5°F–101.9°F). Average precipitation: 0.36 inches.
September is a fall month in Lake Havasu City, and is warmer than the annual average of 74.2°F. Daily temperatures swing about 27.4°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
101.9°F
Avg Low
74.5°F
Precipitation
0.36 in
Daylight
12h 12m
September records in Lake Havasu City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 117.0°F (1995) | 70.0°F (1992) | 0.00 in (1991) |
| September 2 | 118.0°F (1995) | 71.1°F (2000) | 0.23 in (2019) |
| September 3 | 117.0°F (1995) | 69.1°F (2000) | 0.06 in (2013) |
| September 4 | 114.1°F (1993) | 70.0°F (2000) | 1.62 in (1998) |
| September 5 | 116.1°F (2020) | 70.0°F (2025) | 1.04 in (2003) |
| September 6 | 117.0°F (2020) | 69.1°F (2016) | 0.11 in (2011) |
| September 7 | 117.0°F (2020) | 68.0°F (2016) | 0.07 in (2002) |
| September 8 | 114.1°F (1994) | 71.1°F (2004) | 0.34 in (2002) |
| September 9 | 113.0°F (1993) | 61.0°F (2020) | 0.91 in (2017) |
| September 10 | 113.0°F (1993) | 66.0°F (2020) | 0.38 in (2013) |
| September 11 | 111.0°F (1993) | 66.0°F (2020) | 0.18 in (2002) |
| September 12 | 111.0°F (2000) | 60.1°F (2020) | 0.19 in (2012) |
| September 13 | 113.0°F (1999) | 63.0°F (2005) | 0.04 in (2011) |
| September 14 | 115.0°F (2000) | 64.9°F (1994) | 0.63 in (2011) |
| September 15 | 115.0°F (2000) | 64.9°F (2016) | 0.02 in (1997) |
| September 16 | 113.0°F (2000) | 64.9°F (2016) | 0.00 in (1991) |
| September 17 | 111.0°F (2020) | 66.0°F (2005) | 0.76 in (2014) |
| September 18 | 109.9°F (1994) | 64.0°F (2024) | 0.20 in (2025) |
| September 19 | 111.9°F (2000) | 64.0°F (2024) | 0.00 in (1991) |
| September 20 | 109.9°F (1995) | 64.9°F (1993) | 0.16 in (1991) |
| September 21 | 111.9°F (2012) | 60.1°F (2019) | 0.41 in (2024) |
| September 22 | 111.9°F (2012) | 61.0°F (2019) | 0.36 in (1999) |
| September 23 | 111.0°F (1992) | 60.1°F (2019) | 0.26 in (1999) |
| September 24 | 109.9°F (1992) | 59.0°F (2017) | 0.00 in (1991) |
| September 25 | 109.9°F (1991) | 61.0°F (2016) | 1.32 in (1997) |
| September 26 | 111.0°F (1991) | 63.0°F (2007) | 0.15 in (2019) |
| September 27 | 109.9°F (2024) | 60.1°F (2019) | 0.28 in (2025) |
| September 28 | 109.0°F (1994) | 60.1°F (2019) | 0.11 in (2016) |
| September 29 | 111.0°F (2024) | 59.0°F (2013) | 0.00 in (1991) |
| September 30 | 109.0°F (2024) | 55.9°F (2019) | 0.00 in (1991) |