September weather in Wilkes-Barre, PA
The average temperature in Wilkes-Barre in September is 64.6°F (54.0°F–75.1°F). Average precipitation: 4.15 inches.
September is a fall month in Wilkes-Barre, and is warmer than the annual average of 51.3°F. Daily temperatures swing about 21.1°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
75.1°F
Avg Low
54.0°F
Precipitation
4.15 in
Daylight
12h 16m
September records in Wilkes-Barre
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.9°F (1953) | 42.1°F (2009) | 5.09 in (2021) |
| September 2 | 98.1°F (1953) | 43.0°F (1949) | 1.32 in (1990) |
| September 3 | 100.9°F (1953) | 42.1°F (1967) | 1.39 in (1974) |
| September 4 | 91.9°F (1953) | 39.9°F (1997) | 1.18 in (1993) |
| September 5 | 91.0°F (2018) | 43.0°F (1994) | 2.28 in (2022) |
| September 6 | 91.0°F (1983) | 41.0°F (2000) | 2.81 in (2011) |
| September 7 | 91.9°F (2015) | 37.9°F (1962) | 1.86 in (1958) |
| September 8 | 95.0°F (2015) | 42.1°F (1955) | 1.88 in (1987) |
| September 9 | 95.0°F (1959) | 39.0°F (1956) | 1.58 in (2008) |
| September 10 | 95.0°F (1983) | 34.0°F (1956) | 1.47 in (1950) |
| September 11 | 95.0°F (2013) | 37.0°F (1995) | 1.71 in (1960) |
| September 12 | 90.0°F (2005) | 37.9°F (1958) | 2.54 in (1960) |
| September 13 | 91.9°F (2005) | 37.0°F (1985) | 1.21 in (1987) |
| September 14 | 90.0°F (1952) | 37.0°F (1964) | 1.28 in (1973) |
| September 15 | 91.0°F (2005) | 37.9°F (1975) | 2.46 in (2002) |
| September 16 | 90.0°F (1991) | 37.0°F (1964) | 4.91 in (1999) |
| September 17 | 87.1°F (1991) | 36.0°F (1986) | 2.54 in (2004) |
| September 18 | 86.0°F (1955) | 36.0°F (1990) | 3.49 in (2004) |
| September 19 | 90.0°F (1983) | 34.0°F (1959) | 0.88 in (1960) |
| September 20 | 91.0°F (1983) | 33.1°F (1993) | 0.39 in (1975) |
| September 21 | 87.1°F (1980) | 32.0°F (1956) | 1.80 in (1983) |
| September 22 | 88.0°F (1965) | 34.0°F (1997) | 1.31 in (1992) |
| September 23 | 88.0°F (2019) | 35.1°F (1974) | 2.01 in (2003) |
| September 24 | 91.0°F (2017) | 30.0°F (1974) | 2.51 in (2023) |
| September 25 | 91.9°F (2017) | 35.1°F (1971) | 2.65 in (2025) |
| September 26 | 91.0°F (2017) | 36.0°F (1978) | 1.46 in (1977) |
| September 27 | 91.0°F (2017) | 30.9°F (1957) | 5.98 in (1985) |
| September 28 | 84.0°F (2019) | 30.0°F (1957) | 1.71 in (2006) |
| September 29 | 84.0°F (1954) | 28.9°F (2000) | 1.04 in (1963) |
| September 30 | 87.1°F (1953) | 32.0°F (1951) | 3.69 in (2010) |