September weather in Sulphur Rock, AR
The average temperature in Sulphur Rock in September is 71.9°F (60.1°F–83.7°F). Average precipitation: 3.60 inches.
September is a fall month in Sulphur Rock, and is warmer than the annual average of 59.6°F. Daily temperatures swing about 23.6°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 13m. For travel, September is a comfortable month to visit.
Avg High
83.7°F
Avg Low
60.1°F
Precipitation
3.60 in
Daylight
12h 13m
September records in Sulphur Rock
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 102.0°F (1980) | 45.0°F (1967) | 1.40 in (1965) |
| September 2 | 100.0°F (1980) | 46.9°F (1967) | 2.45 in (1952) |
| September 3 | 105.1°F (1954) | 46.0°F (1952) | 2.00 in (1973) |
| September 4 | 106.0°F (2000) | 48.0°F (1952) | 1.98 in (1933) |
| September 5 | 105.1°F (1954) | 46.9°F (1952) | 1.13 in (1985) |
| September 6 | 100.0°F (1954) | 46.0°F (1953) | 2.50 in (1973) |
| September 7 | 100.0°F (1980) | 46.9°F (1968) | 1.35 in (1973) |
| September 8 | 100.0°F (1990) | 43.0°F (1956) | 4.27 in (1967) |
| September 9 | 100.0°F (1980) | 41.0°F (1956) | 6.10 in (2007) |
| September 10 | 98.1°F (1953) | 44.1°F (1976) | 3.12 in (1907) |
| September 11 | 99.0°F (1953) | 43.0°F (1976) | 3.85 in (1965) |
| September 12 | 102.9°F (1980) | 46.0°F (1954) | 1.80 in (1925) |
| September 13 | 100.9°F (1980) | 43.0°F (1955) | 3.75 in (1945) |
| September 14 | 100.9°F (2025) | 41.0°F (1964) | 1.04 in (1978) |
| September 15 | 100.0°F (1954) | 45.0°F (1979) | 1.50 in (1925) |
| September 16 | 102.9°F (1980) | 37.0°F (1961) | 3.00 in (1914) |
| September 17 | 98.1°F (1953) | 39.0°F (1961) | 2.82 in (1968) |
| September 18 | 100.0°F (2025) | 41.0°F (1961) | 1.36 in (1968) |
| September 19 | 98.1°F (1954) | 41.0°F (1981) | 2.27 in (1970) |
| September 20 | 99.0°F (1954) | 42.1°F (1961) | 2.39 in (1975) |
| September 21 | 100.9°F (2005) | 42.1°F (1962) | 2.25 in (1979) |
| September 22 | 100.0°F (2022) | 36.0°F (1983) | 3.21 in (1965) |
| September 23 | 93.9°F (2005) | 36.0°F (1953) | 1.65 in (1980) |
| September 24 | 93.9°F (2005) | 36.0°F (1995) | 1.90 in (1993) |
| September 25 | 100.0°F (2005) | 37.0°F (1965) | 2.64 in (1968) |
| September 26 | 100.0°F (2005) | 39.0°F (1952) | 1.40 in (1996) |
| September 27 | 98.1°F (1954) | 39.0°F (1952) | 2.55 in (1964) |
| September 28 | 100.0°F (1953) | 39.9°F (1967) | 1.96 in (2012) |
| September 29 | 100.0°F (1953) | 30.9°F (1967) | 1.77 in (1933) |
| September 30 | 97.0°F (1953) | 35.1°F (1963) | 2.84 in (1990) |