September weather in Morrisville, NC
The average temperature in Morrisville in September is 72.6°F (62.7°F–82.5°F). Average precipitation: 5.15 inches.
September is a fall month in Morrisville, and is warmer than the annual average of 61.2°F. Daily temperatures swing about 19.8°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 13m. For travel, September is a wet month.
Avg High
82.5°F
Avg Low
62.7°F
Precipitation
5.15 in
Daylight
12h 13m
September records in Morrisville
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 96.1°F (1947) | 48.9°F (1946) | 2.68 in (2024) |
| September 2 | 96.1°F (2014) | 50.0°F (1948) | 2.21 in (1969) |
| September 3 | 99.0°F (2010) | 50.0°F (1958) | 1.62 in (1980) |
| September 4 | 99.0°F (2023) | 50.0°F (1997) | 3.83 in (2006) |
| September 5 | 98.1°F (2023) | 46.0°F (1997) | 4.84 in (1999) |
| September 6 | 104.0°F (1954) | 48.9°F (1997) | 4.96 in (1996) |
| September 7 | 102.0°F (2023) | 51.1°F (1984) | 1.23 in (1946) |
| September 8 | 97.0°F (1954) | 48.9°F (1984) | 2.60 in (1977) |
| September 9 | 96.1°F (1978) | 46.9°F (1951) | 1.87 in (2023) |
| September 10 | 100.9°F (2007) | 44.1°F (1956) | 2.75 in (1976) |
| September 11 | 99.0°F (2007) | 45.0°F (1956) | 1.48 in (1960) |
| September 12 | 96.1°F (1983) | 46.9°F (1976) | 1.82 in (1971) |
| September 13 | 91.9°F (1998) | 48.0°F (1958) | 2.36 in (1964) |
| September 14 | 96.1°F (1956) | 42.1°F (1985) | 2.50 in (2018) |
| September 15 | 93.9°F (1956) | 44.1°F (1985) | 3.95 in (1999) |
| September 16 | 97.0°F (1956) | 46.0°F (2000) | 3.05 in (1945) |
| September 17 | 95.0°F (1954) | 43.0°F (1966) | 3.41 in (1945) |
| September 18 | 95.0°F (1954) | 46.0°F (1990) | 2.42 in (1949) |
| September 19 | 93.9°F (1954) | 43.0°F (1959) | 1.80 in (1966) |
| September 20 | 93.9°F (1997) | 44.1°F (1959) | 2.21 in (1969) |
| September 21 | 96.1°F (1948) | 41.0°F (1962) | 1.62 in (1979) |
| September 22 | 98.1°F (2022) | 44.1°F (2020) | 1.45 in (2009) |
| September 23 | 99.0°F (2010) | 37.0°F (1983) | 2.38 in (2023) |
| September 24 | 96.1°F (2010) | 39.0°F (1963) | 3.18 in (2014) |
| September 25 | 98.1°F (2010) | 39.0°F (1950) | 1.90 in (2020) |
| September 26 | 93.9°F (2019) | 37.0°F (1950) | 2.31 in (1956) |
| September 27 | 93.9°F (1998) | 41.0°F (1947) | 2.68 in (1953) |
| September 28 | 95.0°F (1998) | 37.9°F (1947) | 2.17 in (1999) |
| September 29 | 95.0°F (2019) | 39.0°F (1970) | 2.70 in (1972) |
| September 30 | 89.1°F (1954) | 39.0°F (1951) | 3.35 in (2022) |