September weather in Prairie Grove, AR
The average temperature in Prairie Grove in September is 69.0°F (56.5°F–81.5°F). Average precipitation: 4.26 inches.
September is a fall month in Prairie Grove, and is warmer than the annual average of 57.4°F. Daily temperatures swing about 25°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
81.5°F
Avg Low
56.5°F
Precipitation
4.26 in
Daylight
12h 13m
September records in Prairie Grove
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (2000) | 43.0°F (1967) | 2.62 in (1974) |
| September 2 | 102.9°F (2000) | 46.0°F (1952) | 1.93 in (2014) |
| September 3 | 102.9°F (2000) | 42.1°F (1952) | 3.29 in (2008) |
| September 4 | 102.9°F (1998) | 44.1°F (1974) | 1.51 in (1970) |
| September 5 | 100.9°F (1998) | 44.1°F (1953) | 1.15 in (2009) |
| September 6 | 99.0°F (1990) | 43.0°F (1974) | 0.36 in (2014) |
| September 7 | 100.0°F (1998) | 42.1°F (2011) | 1.65 in (1993) |
| September 8 | 95.0°F (2013) | 44.1°F (2024) | 1.99 in (2001) |
| September 9 | 95.0°F (1980) | 42.1°F (2024) | 2.35 in (2010) |
| September 10 | 95.0°F (2013) | 43.0°F (1968) | 0.54 in (1985) |
| September 11 | 95.0°F (2000) | 39.9°F (1976) | 2.16 in (2006) |
| September 12 | 93.9°F (1980) | 43.0°F (1968) | 1.30 in (2000) |
| September 13 | 97.0°F (1980) | 42.1°F (1953) | 2.21 in (2008) |
| September 14 | 98.1°F (1980) | 45.0°F (1951) | 2.73 in (1993) |
| September 15 | 96.1°F (1954) | 43.0°F (1979) | 2.85 in (1986) |
| September 16 | 98.1°F (1980) | 37.9°F (1979) | 1.46 in (1986) |
| September 17 | 95.0°F (1953) | 39.9°F (1951) | 2.09 in (2006) |
| September 18 | 93.0°F (1972) | 36.0°F (1981) | 4.64 in (1949) |
| September 19 | 96.1°F (1954) | 39.9°F (1981) | 2.41 in (1988) |
| September 20 | 97.0°F (1954) | 39.0°F (1991) | 2.32 in (2025) |
| September 21 | 96.1°F (2022) | 36.0°F (1983) | 2.47 in (1978) |
| September 22 | 93.0°F (2005) | 35.1°F (1982) | 2.66 in (1964) |
| September 23 | 91.0°F (2005) | 33.1°F (1995) | 2.92 in (2025) |
| September 24 | 90.0°F (2022) | 32.0°F (1989) | 4.57 in (2019) |
| September 25 | 90.0°F (1953) | 35.1°F (1965) | 2.24 in (1973) |
| September 26 | 91.9°F (1953) | 35.1°F (1975) | 7.45 in (1996) |
| September 27 | 96.1°F (1953) | 35.1°F (1985) | 0.74 in (2020) |
| September 28 | 100.0°F (1953) | 35.1°F (1967) | 1.68 in (1973) |
| September 29 | 98.1°F (1953) | 30.9°F (1967) | 2.70 in (1972) |
| September 30 | 91.9°F (1953) | 32.0°F (1984) | 5.61 in (1986) |