September weather in Petersburg, NE
The average temperature in Petersburg in September is 63.3°F (51.4°F–75.2°F). Average precipitation: 2.33 inches.
September is a fall month in Petersburg, and is warmer than the annual average of 48.3°F. Daily temperatures swing about 23.8°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 12h 16m. For travel, September is one of the best months of the year to visit.
Avg High
75.2°F
Avg Low
51.4°F
Precipitation
2.33 in
Daylight
12h 16m
September records in Petersburg
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 93.0°F (2022) | 46.9°F (2009) | 1.12 in (1961) |
| September 2 | 93.0°F (2011) | 46.9°F (2009) | 1.95 in (1926) |
| September 3 | 97.0°F (2023) | 41.0°F (2008) | 1.90 in (1953) |
| September 4 | 96.1°F (1990) | 43.0°F (2003) | 2.08 in (1989) |
| September 5 | 99.0°F (2012) | 39.9°F (2011) | 0.77 in (1915) |
| September 6 | 93.0°F (1990) | 39.0°F (2025) | 1.31 in (1935) |
| September 7 | 91.9°F (2002) | 41.0°F (2024) | 1.22 in (1925) |
| September 8 | 91.0°F (1991) | 37.0°F (1992) | 0.93 in (1976) |
| September 9 | 91.9°F (1990) | 39.0°F (2020) | 1.89 in (1916) |
| September 10 | 95.0°F (2013) | 39.9°F (1989) | 1.94 in (2006) |
| September 11 | 91.9°F (1998) | 39.0°F (1989) | 1.25 in (1938) |
| September 12 | 95.0°F (2012) | 39.0°F (1996) | 1.30 in (1961) |
| September 13 | 91.0°F (1990) | 33.1°F (1989) | 1.41 in (1991) |
| September 14 | 93.0°F (2000) | 37.0°F (1989) | 2.50 in (1936) |
| September 15 | 90.0°F (2017) | 33.1°F (1993) | 3.11 in (2001) |
| September 16 | 90.0°F (2017) | 39.9°F (1990) | 1.37 in (2022) |
| September 17 | 90.0°F (2021) | 39.9°F (2020) | 0.58 in (1917) |
| September 18 | 91.9°F (2000) | 34.0°F (1991) | 5.65 in (1926) |
| September 19 | 89.1°F (2023) | 26.1°F (1991) | 1.98 in (1923) |
| September 20 | 89.1°F (2022) | 34.0°F (1995) | 1.18 in (1996) |
| September 21 | 95.0°F (2022) | 33.1°F (1999) | 1.03 in (1970) |
| September 22 | 93.0°F (2005) | 26.1°F (1995) | 1.05 in (2006) |
| September 23 | 91.9°F (2017) | 26.1°F (1989) | 2.88 in (2004) |
| September 24 | 88.0°F (1990) | 34.0°F (1996) | 1.48 in (1917) |
| September 25 | 89.1°F (1990) | 33.1°F (2000) | 3.35 in (1915) |
| September 26 | 93.0°F (1990) | 33.1°F (2003) | 1.40 in (1973) |
| September 27 | 91.9°F (2021) | 33.1°F (2002) | 0.66 in (1912) |
| September 28 | 89.1°F (2021) | 32.0°F (2002) | 1.65 in (1988) |
| September 29 | 91.0°F (2021) | 30.9°F (2009) | 1.38 in (2007) |
| September 30 | 90.0°F (1991) | 27.0°F (1992) | 0.83 in (1941) |