Weather in Chattanooga, Tennessee, United States in September
In an average September, Chattanooga sees a daily high around 84°F and a low around 61°F, based on 1981–2026 of local climate records.
| Average high | 84°F |
|---|---|
| Typical high range | 76°F to 92°F |
| Average low | 61°F |
| Typical low range | 52°F to 68°F |
| Average daily precipitation | 0.10 in |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
100°F
2019-09-13
Lowest
61°F
1989-09-28
Low
Highest
74°F
1991-09-15
Lowest
38°F
2001-09-26
Feels-like
Highest
124°F
2019-09-13
Lowest
34°F
2001-09-26
Humidity
Highest
20.8 g/m³
2002-09-21
Lowest
4.8 g/m³
1983-09-22
Wind
Highest
17 mph
2004-09-16
Lowest
2 mph
2012-09-04
Precip
Wettest
10.02 in
1989
Driest
0.49 in
1984
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