September weather in Johnson City, NY
The average temperature in Johnson City in September is 60.0°F (50.6°F–69.5°F). Average precipitation: 4.01 inches.
September is a fall month in Johnson City, and is warmer than the annual average of 46.3°F. Daily temperatures swing about 18.9°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 12h 16m. For travel, September is a comfortable month to visit.
Avg High
69.5°F
Avg Low
50.6°F
Precipitation
4.01 in
Daylight
12h 16m
September records in Johnson City
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 91.9°F (1953) | 42.1°F (2017) | 2.04 in (2003) |
| September 2 | 96.1°F (1953) | 39.0°F (2001) | 1.65 in (1979) |
| September 3 | 96.1°F (1953) | 37.9°F (1994) | 1.19 in (1974) |
| September 4 | 91.0°F (1953) | 39.9°F (1987) | 1.06 in (1988) |
| September 5 | 88.0°F (2023) | 37.9°F (2000) | 2.53 in (2022) |
| September 6 | 90.0°F (1998) | 39.0°F (1988) | 1.83 in (1979) |
| September 7 | 90.0°F (2007) | 35.1°F (1984) | 7.49 in (2011) |
| September 8 | 88.0°F (1964) | 39.9°F (1952) | 2.04 in (2004) |
| September 9 | 90.0°F (1959) | 37.9°F (1979) | 1.20 in (1967) |
| September 10 | 91.9°F (1964) | 36.0°F (1956) | 2.70 in (2018) |
| September 11 | 88.0°F (2013) | 37.9°F (1995) | 2.15 in (1968) |
| September 12 | 84.9°F (1952) | 37.0°F (1985) | 2.32 in (1960) |
| September 13 | 87.1°F (1952) | 37.0°F (1964) | 0.91 in (1965) |
| September 14 | 89.1°F (1952) | 33.1°F (1963) | 1.38 in (1977) |
| September 15 | 82.0°F (1958) | 36.0°F (2013) | 1.05 in (2003) |
| September 16 | 90.0°F (1991) | 35.1°F (1964) | 3.45 in (1999) |
| September 17 | 84.0°F (1972) | 35.1°F (1959) | 2.92 in (2004) |
| September 18 | 82.9°F (1955) | 35.1°F (1990) | 1.45 in (2018) |
| September 19 | 89.1°F (1983) | 35.1°F (1959) | 1.12 in (1989) |
| September 20 | 89.1°F (1983) | 28.9°F (1993) | 0.90 in (1977) |
| September 21 | 82.9°F (1965) | 30.9°F (1956) | 1.35 in (1983) |
| September 22 | 84.9°F (1965) | 35.1°F (1991) | 1.53 in (1995) |
| September 23 | 84.9°F (1959) | 32.0°F (1963) | 1.29 in (2021) |
| September 24 | 88.0°F (2010) | 25.0°F (1974) | 1.95 in (2001) |
| September 25 | 87.1°F (2017) | 30.9°F (1989) | 2.83 in (1975) |
| September 26 | 84.9°F (2017) | 34.0°F (1957) | 1.94 in (1975) |
| September 27 | 84.9°F (2017) | 30.9°F (1957) | 3.50 in (1985) |
| September 28 | 80.1°F (2019) | 30.0°F (1989) | 1.63 in (2006) |
| September 29 | 79.0°F (1954) | 27.0°F (2000) | 1.66 in (2011) |
| September 30 | 84.9°F (1953) | 28.9°F (1991) | 4.24 in (2010) |