September weather in Belvidere, NJ
The average temperature in Belvidere in September is 64.1°F (51.9°F–76.3°F). Average precipitation: 4.63 inches.
September is a fall month in Belvidere, and is warmer than the annual average of 50.1°F. Daily temperatures swing about 24.4°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 12h 15m. For travel, September is a comfortable month to visit.
Avg High
76.3°F
Avg Low
51.9°F
Precipitation
4.63 in
Daylight
12h 15m
September records in Belvidere
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (2010) | 43.0°F (1986) | 0.80 in (1987) |
| September 2 | 93.0°F (2010) | 41.0°F (2017) | 4.29 in (2021) |
| September 3 | 95.0°F (2010) | 41.0°F (2004) | 0.95 in (2006) |
| September 4 | 91.0°F (1983) | 46.0°F (1987) | 1.07 in (1992) |
| September 5 | 93.9°F (2008) | 43.0°F (1997) | 1.55 in (2001) |
| September 6 | 91.9°F (1985) | 43.0°F (1984) | 3.78 in (2011) |
| September 7 | 95.0°F (1983) | 37.9°F (1984) | 2.78 in (2011) |
| September 8 | 93.0°F (1985) | 39.0°F (1984) | 1.64 in (2011) |
| September 9 | 93.0°F (2015) | 41.0°F (1986) | 3.85 in (2021) |
| September 10 | 93.9°F (2002) | 41.0°F (1986) | 1.17 in (1995) |
| September 11 | 98.1°F (1983) | 39.9°F (1995) | 0.86 in (2015) |
| September 12 | 98.1°F (1983) | 39.9°F (1985) | 2.07 in (1997) |
| September 13 | 91.0°F (2005) | 39.9°F (1985) | 1.42 in (2022) |
| September 14 | 90.0°F (2005) | 39.0°F (1985) | 1.22 in (2021) |
| September 15 | 91.0°F (2016) | 37.9°F (1985) | 1.55 in (2006) |
| September 16 | 88.0°F (2005) | 37.9°F (1983) | 1.42 in (2002) |
| September 17 | 90.0°F (1991) | 37.0°F (1984) | 7.47 in (1999) |
| September 18 | 91.9°F (1991) | 21.9°F (1995) | 6.32 in (2004) |
| September 19 | 89.1°F (1998) | 37.0°F (2020) | 1.77 in (2004) |
| September 20 | 91.9°F (1983) | 35.1°F (1993) | 3.65 in (1989) |
| September 21 | 91.0°F (1983) | 34.0°F (2020) | 2.80 in (1989) |
| September 22 | 86.0°F (2008) | 34.0°F (2020) | 1.64 in (1983) |
| September 23 | 86.0°F (2010) | 37.9°F (1983) | 0.70 in (1995) |
| September 24 | 90.0°F (2017) | 35.1°F (1983) | 2.34 in (2021) |
| September 25 | 91.0°F (2017) | 35.1°F (1983) | 2.10 in (1991) |
| September 26 | 91.9°F (2017) | 34.0°F (1983) | 1.56 in (2018) |
| September 27 | 88.0°F (2007) | 37.9°F (1983) | 2.38 in (1994) |
| September 28 | 91.0°F (2017) | 35.1°F (1989) | 2.27 in (1985) |
| September 29 | 82.9°F (2014) | 34.0°F (2000) | 3.35 in (2004) |
| September 30 | 82.0°F (2019) | 32.0°F (2003) | 1.16 in (2020) |