September weather in Moreno Valley, CA
The average temperature in Moreno Valley in September is 75.1°F (58.7°F–91.5°F). Average precipitation: 0.16 inches.
September is a fall month in Moreno Valley, and is warmer than the annual average of 63.3°F. Daily temperatures swing about 32.8°F between overnight low and afternoon high. Daylight averages about 12h 12m. For travel, September is hot.
Avg High
91.5°F
Avg Low
58.7°F
Precipitation
0.16 in
Daylight
12h 12m
September records in Moreno Valley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 109.9°F (2022) | 53.1°F (1953) | 0.30 in (1967) |
| September 2 | 106.0°F (1955) | 48.0°F (1964) | 0.06 in (2023) |
| September 3 | 109.0°F (2022) | 51.1°F (1970) | 0.00 in (1949) |
| September 4 | 108.0°F (2022) | 46.9°F (1970) | 0.36 in (1963) |
| September 5 | 115.0°F (2020) | 48.9°F (1970) | 0.08 in (1958) |
| September 6 | 116.1°F (2020) | 48.0°F (1970) | 0.15 in (1969) |
| September 7 | 109.9°F (2024) | 46.9°F (1964) | 0.00 in (1949) |
| September 8 | 106.0°F (2024) | 48.0°F (1964) | 0.14 in (2024) |
| September 9 | 105.1°F (2024) | 46.9°F (1961) | 0.18 in (2022) |
| September 10 | 104.0°F (1956) | 48.9°F (2020) | 0.02 in (2023) |
| September 11 | 102.9°F (1955) | 48.0°F (1952) | 0.36 in (2022) |
| September 12 | 104.0°F (1953) | 48.0°F (1952) | 0.42 in (2022) |
| September 13 | 105.1°F (2014) | 45.0°F (1966) | 0.51 in (1959) |
| September 14 | 106.0°F (2014) | 44.1°F (1966) | 0.00 in (1949) |
| September 15 | 106.0°F (2014) | 48.9°F (1970) | 0.43 in (2015) |
| September 16 | 104.0°F (2014) | 46.9°F (1970) | 0.00 in (1949) |
| September 17 | 102.0°F (1951) | 48.9°F (2019) | 1.94 in (1963) |
| September 18 | 102.9°F (2016) | 48.9°F (2024) | 0.67 in (1963) |
| September 19 | 99.0°F (1958) | 46.9°F (1970) | 1.14 in (1952) |
| September 20 | 102.0°F (2015) | 44.1°F (1965) | 0.07 in (2024) |
| September 21 | 100.0°F (2021) | 45.0°F (1970) | 0.00 in (1949) |
| September 22 | 107.1°F (1949) | 45.0°F (2017) | 0.00 in (1949) |
| September 23 | 105.1°F (1949) | 46.0°F (1970) | 0.06 in (1958) |
| September 24 | 100.0°F (1949) | 43.0°F (2017) | 0.11 in (2021) |
| September 25 | 102.9°F (1963) | 44.1°F (2017) | 0.00 in (1949) |
| September 26 | 100.0°F (1963) | 46.9°F (2017) | 0.01 in (1952) |
| September 27 | 100.9°F (1963) | 44.1°F (2013) | 0.03 in (1951) |
| September 28 | 102.0°F (1963) | 44.1°F (2013) | 0.53 in (1951) |
| September 29 | 102.0°F (1963) | 46.0°F (1955) | 0.09 in (1966) |
| September 30 | 104.0°F (2020) | 43.0°F (2019) | 0.05 in (2023) |