Weather in Denver in September
In an average September, Denver sees a daily high around 78°F and a low around 50°F, based on 1980–2026 of local climate records.
| Average high | 78°F |
|---|---|
| Typical high range | 67°F to 87°F |
| Average low | 50°F |
| Typical low range | 42°F to 57°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
2020-09-05
Lowest
27°F
1985-09-29
Low
Highest
65°F
2013-09-04
Lowest
12°F
1985-09-30
Feels-like
Highest
102°F
2010-09-19
Lowest
3°F
1985-09-30
Humidity
Highest
13.9 g/m³
2013-09-13
Lowest
2.8 g/m³
1985-09-30
Wind
Highest
25 mph
2003-09-17
Lowest
4 mph
2020-09-10
Gust
Highest
46 mph
1988-09-19
Lowest
10 mph
2020-09-10
Precip
Wettest
5.10 in
2013
Driest
0.09 in
2010
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