September weather in Arnett, OK
The average temperature in Arnett in September is 70.0°F (57.6°F–82.4°F). Average precipitation: 1.99 inches.
September is a fall month in Arnett, and is warmer than the annual average of 56.7°F. Daily temperatures swing about 24.8°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
82.4°F
Avg Low
57.6°F
Precipitation
1.99 in
Daylight
12h 13m
September records in Arnett
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 104.0°F (1939) | 51.1°F (1967) | 2.00 in (1935) |
| September 2 | 102.0°F (1947) | 50.0°F (1952) | 1.20 in (1934) |
| September 3 | 105.1°F (1947) | 44.1°F (1974) | 1.22 in (1988) |
| September 4 | 104.0°F (2000) | 46.9°F (1961) | 1.74 in (1943) |
| September 5 | 105.1°F (2000) | 48.0°F (1961) | 1.60 in (2012) |
| September 6 | 102.9°F (1947) | 48.9°F (1956) | 0.83 in (1967) |
| September 7 | 102.0°F (1998) | 46.9°F (1986) | 1.30 in (1929) |
| September 8 | 100.9°F (1998) | 46.9°F (1986) | 1.21 in (1993) |
| September 9 | 99.0°F (1940) | 46.0°F (1962) | 1.91 in (1972) |
| September 10 | 99.0°F (1953) | 42.1°F (1962) | 1.74 in (1917) |
| September 11 | 102.0°F (2000) | 45.0°F (1962) | 0.73 in (1989) |
| September 12 | 104.0°F (2000) | 46.9°F (1959) | 1.01 in (1997) |
| September 13 | 102.9°F (1956) | 44.1°F (1974) | 2.46 in (1989) |
| September 14 | 100.0°F (1956) | 41.0°F (1959) | 1.22 in (1957) |
| September 15 | 100.9°F (1953) | 37.0°F (1993) | 1.64 in (1988) |
| September 16 | 100.0°F (1956) | 39.9°F (1993) | 1.15 in (2013) |
| September 17 | 100.9°F (1978) | 42.1°F (1965) | 1.77 in (1962) |
| September 18 | 99.0°F (1954) | 42.1°F (1965) | 1.92 in (1971) |
| September 19 | 99.0°F (1954) | 39.9°F (1991) | 1.68 in (1944) |
| September 20 | 97.0°F (1954) | 37.0°F (1918) | 2.02 in (1962) |
| September 21 | 97.0°F (1956) | 33.1°F (1983) | 3.02 in (1931) |
| September 22 | 98.1°F (1980) | 33.1°F (1983) | 2.20 in (2024) |
| September 23 | 100.9°F (1933) | 34.0°F (1995) | 2.25 in (1997) |
| September 24 | 95.0°F (1930) | 34.0°F (1989) | 2.01 in (1960) |
| September 25 | 97.0°F (1911) | 34.0°F (1989) | 0.99 in (1971) |
| September 26 | 97.0°F (1938) | 33.1°F (2000) | 0.95 in (2017) |
| September 27 | 95.0°F (1953) | 36.0°F (2000) | 1.30 in (2012) |
| September 28 | 100.0°F (1953) | 36.0°F (1935) | 3.27 in (1945) |
| September 29 | 99.0°F (1963) | 34.0°F (1985) | 0.93 in (1982) |
| September 30 | 98.1°F (1928) | 30.0°F (1985) | 1.05 in (1986) |