September weather in Monticello, AR
The average temperature in Monticello in September is 76.2°F (64.9°F–87.4°F). Average precipitation: 2.84 inches.
September is a fall month in Monticello, and is warmer than the annual average of 64.1°F. Daily temperatures swing about 22.5°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 12h 12m. For travel, September is a comfortable month to visit.
Avg High
87.4°F
Avg Low
64.9°F
Precipitation
2.84 in
Daylight
12h 12m
September records in Monticello
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 108.0°F (2000) | 42.1°F (1887) | 3.20 in (1957) |
| September 2 | 107.1°F (2000) | 45.0°F (1887) | 3.67 in (2008) |
| September 3 | 108.0°F (2000) | 53.1°F (1887) | 3.38 in (2008) |
| September 4 | 104.0°F (1947) | 48.9°F (1974) | 2.30 in (1972) |
| September 5 | 105.1°F (1947) | 46.0°F (1891) | 1.88 in (2007) |
| September 6 | 105.1°F (1947) | 48.9°F (1953) | 1.35 in (1898) |
| September 7 | 100.9°F (1947) | 48.0°F (1883) | 1.50 in (1894) |
| September 8 | 100.9°F (2013) | 46.0°F (1988) | 0.69 in (1973) |
| September 9 | 100.9°F (1980) | 48.9°F (1898) | 1.05 in (2019) |
| September 10 | 100.0°F (1887) | 46.9°F (1883) | 3.55 in (1965) |
| September 11 | 100.0°F (1887) | 43.0°F (1976) | 2.70 in (1987) |
| September 12 | 100.0°F (1939) | 44.1°F (1883) | 2.48 in (1957) |
| September 13 | 100.9°F (1980) | 39.9°F (1883) | 1.92 in (2009) |
| September 14 | 102.9°F (1980) | 43.0°F (1964) | 1.93 in (2009) |
| September 15 | 102.0°F (1980) | 46.9°F (1964) | 1.58 in (2009) |
| September 16 | 102.0°F (1980) | 39.0°F (1961) | 4.90 in (1968) |
| September 17 | 102.9°F (1980) | 39.0°F (1961) | 1.68 in (1964) |
| September 18 | 102.0°F (2005) | 39.9°F (1961) | 1.44 in (1952) |
| September 19 | 100.9°F (2005) | 39.9°F (1961) | 1.76 in (1958) |
| September 20 | 105.1°F (2005) | 39.9°F (1961) | 2.84 in (1983) |
| September 21 | 105.1°F (2005) | 41.0°F (1981) | 2.24 in (1979) |
| September 22 | 100.9°F (2005) | 35.1°F (1982) | 2.82 in (1957) |
| September 23 | 97.0°F (1997) | 37.0°F (1982) | 2.10 in (1887) |
| September 24 | 97.0°F (1993) | 33.1°F (1887) | 2.56 in (2005) |
| September 25 | 97.0°F (1993) | 37.0°F (1887) | 2.40 in (1884) |
| September 26 | 95.0°F (2005) | 39.9°F (1975) | 0.98 in (2002) |
| September 27 | 98.1°F (1886) | 36.0°F (1942) | 2.03 in (1996) |
| September 28 | 102.0°F (1953) | 39.9°F (1985) | 3.75 in (1980) |
| September 29 | 100.9°F (1953) | 41.0°F (1942) | 1.81 in (1954) |
| September 30 | 97.0°F (1953) | 37.9°F (1963) | 2.25 in (2012) |