Johnson City, Sunday, 9 August, 00:27
Overcast. Feels like 68°. High 84°, low 68°.
In September, Johnson City, TN averages a high of 76.5° and a low of 58.9°. About 3.6 inches of precipitation fall over the month (10 wet days). The record high is 92.7° (2011) and the record low 38.1° (1967). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 80.1° | 63.1° | 40% | 89.8° (1973) | 52.3° (1999) |
| 2 | 80.1° | 62.6° | 35% | 90.7° (2011) | 48.6° (1967) |
| 3 | 80.4° | 62.4° | 42% | 92.7° (2011) | 49.1° (1967) |
| 4 | 79.3° | 62.2° | 38% | 91.6° (2019) | 49.8° (1997) |
| 5 | 78.6° | 61.9° | 40% | 91.4° (1975) | 46.9° (1997) |
| 6 | 78.8° | 61.7° | 38% | 88.5° (2023) | 50.9° (1984) |
| 7 | 79° | 60.8° | 32% | 90.5° (1990) | 49.3° (2017) |
| 8 | 79° | 60.1° | 25% | 88.2° (2007) | 47.5° (2017) |
| 9 | 78.8° | 60.3° | 32% | 89.6° (2019) | 48.7° (2024) |
| 10 | 78.3° | 60.3° | 37% | 92.1° (2019) | 48.7° (1998) |
| 11 | 77.7° | 59.9° | 32% | 89.8° (2019) | 47.3° (1969) |
| 12 | 78.3° | 59.5° | 33% | 91.8° (2019) | 47.3° (1976) |
| 13 | 77.7° | 59.2° | 32% | 90.1° (2019) | 47.1° (1968) |
| 14 | 77.5° | 59.7° | 25% | 91.8° (1998) | 45.1° (1985) |
| 15 | 77° | 58.8° | 32% | 90° (2016) | 45.1° (1985) |
| 16 | 75.9° | 58.6° | 28% | 89.6° (2019) | 45.7° (1961) |
| 17 | 75.4° | 59° | 40% | 87.8° (2019) | 44.1° (2000) |
| 18 | 75.6° | 58.3° | 33% | 84.7° (1978) | 46.9° (1961) |
| 19 | 76.5° | 57.9° | 30% | 88.9° (2005) | 45.5° (1984) |
| 20 | 76.6° | 58.5° | 35% | 87.6° (2005) | 46.4° (2004) |
| 21 | 76.1° | 58.3° | 38% | 87.1° (2010) | 42.8° (1962) |
| 22 | 74.7° | 57.6° | 33% | 89.4° (2019) | 43.5° (1983) |
| 23 | 74.3° | 56.3° | 27% | 87.8° (2007) | 42.6° (1983) |
| 24 | 73.9° | 56.5° | 30% | 88.7° (2005) | 38.7° (1983) |
| 25 | 74.1° | 56.7° | 37% | 86.4° (2016) | 42.4° (1963) |
| 26 | 73.4° | 57.4° | 42% | 86.9° (1998) | 40.1° (2001) |
| 27 | 73.2° | 56.7° | 42% | 87.6° (2019) | 43.3° (2000) |
| 28 | 72.7° | 55.9° | 38% | 85.8° (1998) | 43.3° (2022) |
| 29 | 71.1° | 53.6° | 33% | 88.3° (2019) | 41.9° (2001) |
| 30 | 71.2° | 53.2° | 28% | 86.5° (2019) | 38.1° (1967) |