September weather in Johnstown, NE
The average temperature in Johnstown in September is 65.3°F (52.1°F–78.4°F). Average precipitation: 2.56 inches.
September is a fall month in Johnstown, and is warmer than the annual average of 50.2°F. Daily temperatures swing about 26.3°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
78.4°F
Avg Low
52.1°F
Precipitation
2.56 in
Daylight
12h 16m
September records in Johnstown
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 100.0°F (1912) | 37.0°F (1965) | 1.17 in (1994) |
| September 2 | 104.0°F (2023) | 39.0°F (1914) | 1.77 in (2019) |
| September 3 | 102.9°F (1960) | 37.0°F (1934) | 0.70 in (1954) |
| September 4 | 102.0°F (1931) | 37.9°F (1935) | 1.46 in (1999) |
| September 5 | 100.0°F (1913) | 32.0°F (1935) | 1.35 in (2018) |
| September 6 | 105.1°F (1931) | 32.0°F (1929) | 1.85 in (1915) |
| September 7 | 102.0°F (1931) | 34.0°F (1929) | 1.50 in (1925) |
| September 8 | 105.1°F (2022) | 37.0°F (1929) | 2.01 in (1997) |
| September 9 | 107.1°F (1931) | 34.0°F (1943) | 1.40 in (1947) |
| September 10 | 102.0°F (1931) | 35.1°F (1922) | 0.88 in (1919) |
| September 11 | 100.0°F (1908) | 28.0°F (1940) | 4.37 in (2019) |
| September 12 | 100.0°F (1908) | 33.1°F (1975) | 3.64 in (2019) |
| September 13 | 99.0°F (1939) | 30.0°F (1949) | 2.24 in (1991) |
| September 14 | 98.1°F (1939) | 33.1°F (1993) | 1.18 in (1998) |
| September 15 | 100.0°F (1955) | 27.0°F (1916) | 1.55 in (1987) |
| September 16 | 97.0°F (1910) | 33.1°F (1918) | 1.53 in (1913) |
| September 17 | 98.1°F (1910) | 28.0°F (1918) | 1.10 in (1923) |
| September 18 | 99.0°F (1940) | 28.9°F (1918) | 2.80 in (1967) |
| September 19 | 97.0°F (1908) | 23.0°F (1918) | 3.03 in (1988) |
| September 20 | 97.0°F (1937) | 27.0°F (1927) | 2.70 in (1986) |
| September 21 | 96.1°F (1936) | 30.0°F (1913) | 1.31 in (1977) |
| September 22 | 95.0°F (1908) | 26.1°F (1995) | 1.46 in (1969) |
| September 23 | 96.1°F (1937) | 26.1°F (1989) | 1.86 in (1948) |
| September 24 | 93.0°F (1956) | 25.0°F (1942) | 2.51 in (2017) |
| September 25 | 93.0°F (1956) | 24.1°F (1912) | 1.78 in (1908) |
| September 26 | 97.0°F (1956) | 25.0°F (1942) | 1.23 in (1973) |
| September 27 | 97.0°F (1956) | 24.1°F (1924) | 1.19 in (1945) |
| September 28 | 95.0°F (2024) | 24.1°F (1951) | 1.21 in (1973) |
| September 29 | 93.9°F (1910) | 21.0°F (1945) | 1.55 in (2021) |
| September 30 | 96.1°F (1942) | 26.1°F (1974) | 1.23 in (1995) |