Weather in Chattanooga in September
In an average September, Chattanooga sees a daily high around 83°F and a low around 63°F, based on 1980–2026 of local climate records.
| Average high | 83°F |
|---|---|
| Typical high range | 75°F to 90°F |
| Average low | 63°F |
| Typical low range | 55°F to 70°F |
| Average daily precipitation | 0.10 in |
September records
The most extreme September on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
98°F
2019-09-13
Lowest
57°F
1995-09-23
Low
Highest
74°F
2022-09-04
Lowest
40°F
2001-09-26
Feels-like
Highest
122°F
2019-09-13
Lowest
35°F
1983-09-22
Humidity
Highest
21.5 g/m³
2020-09-02
Lowest
5.8 g/m³
1993-09-30
Wind
Highest
19 mph
2011-09-06
Lowest
2 mph
1981-09-12
Gust
Highest
61 mph
2004-09-17
Lowest
8 mph
1981-09-12
Precip
Wettest
10.51 in
2011
Driest
0.22 in
2019
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