September weather in Greenbrier, AR
The average temperature in Greenbrier in September is 71.9°F (58.7°F–85.1°F). Average precipitation: 3.65 inches.
September is a fall month in Greenbrier, and is warmer than the annual average of 59.8°F. Daily temperatures swing about 26.4°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
85.1°F
Avg Low
58.7°F
Precipitation
3.65 in
Daylight
12h 13m
September records in Greenbrier
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 107.1°F (2000) | 50.0°F (1967) | 2.80 in (1989) |
| September 2 | 105.1°F (2000) | 50.0°F (1967) | 1.39 in (1962) |
| September 3 | 105.1°F (1947) | 52.0°F (1965) | 3.41 in (1974) |
| September 4 | 106.0°F (2000) | 50.0°F (1974) | 1.92 in (1976) |
| September 5 | 102.9°F (2000) | 44.1°F (1997) | 1.02 in (1972) |
| September 6 | 102.9°F (1947) | 46.9°F (1988) | 1.30 in (1973) |
| September 7 | 104.0°F (1947) | 39.9°F (1988) | 2.59 in (1949) |
| September 8 | 102.0°F (1947) | 41.0°F (1988) | 2.40 in (1967) |
| September 9 | 96.1°F (1947) | 44.1°F (1996) | 2.30 in (2001) |
| September 10 | 98.1°F (1983) | 48.9°F (1969) | 1.91 in (2019) |
| September 11 | 98.1°F (1983) | 44.1°F (1976) | 2.40 in (1965) |
| September 12 | 96.1°F (2000) | 45.0°F (1992) | 0.95 in (1999) |
| September 13 | 95.0°F (1972) | 43.0°F (1964) | 4.90 in (1945) |
| September 14 | 97.0°F (1971) | 41.0°F (1964) | 0.71 in (1998) |
| September 15 | 99.0°F (2000) | 46.9°F (1964) | 2.45 in (1950) |
| September 16 | 97.0°F (1997) | 42.1°F (1993) | 1.42 in (1975) |
| September 17 | 96.1°F (1983) | 39.9°F (1993) | 2.32 in (1964) |
| September 18 | 96.1°F (1972) | 37.0°F (1981) | 1.53 in (1968) |
| September 19 | 98.1°F (1972) | 37.0°F (1981) | 1.10 in (1996) |
| September 20 | 95.0°F (1963) | 39.0°F (1981) | 1.75 in (1990) |
| September 21 | 95.0°F (2000) | 39.9°F (1999) | 1.87 in (1947) |
| September 22 | 95.0°F (1981) | 35.1°F (1983) | 5.16 in (1965) |
| September 23 | 93.9°F (1988) | 34.0°F (1995) | 2.31 in (1988) |
| September 24 | 95.0°F (2000) | 35.1°F (1995) | 1.90 in (1940) |
| September 25 | 91.9°F (1981) | 39.0°F (1965) | 1.75 in (1960) |
| September 26 | 91.9°F (1969) | 37.0°F (2001) | 1.75 in (1996) |
| September 27 | 93.9°F (1969) | 37.0°F (1985) | 3.38 in (1964) |
| September 28 | 95.0°F (1999) | 39.0°F (1967) | 2.00 in (1944) |
| September 29 | 93.9°F (1998) | 32.0°F (1967) | 0.64 in (1989) |
| September 30 | 95.0°F (1969) | 32.0°F (1992) | 2.25 in (1988) |