Weather in Spokane in September
In an average September, Spokane sees a daily high around 75°F and a low around 50°F, based on 1980–2026 of local climate records.
| Average high | 75°F |
|---|---|
| Typical high range | 62°F to 87°F |
| Average low | 50°F |
| Typical low range | 43°F to 57°F |
| Average daily precipitation | 0.00 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
99°F
2025-09-02
Lowest
39°F
2019-09-29
Low
Highest
68°F
1987-09-02
Lowest
28°F
1985-09-29
Feels-like
Highest
103°F
2025-09-02
Lowest
18°F
2000-09-23
Humidity
Highest
13.9 g/m³
2013-09-05
Lowest
2.7 g/m³
1983-09-28
Wind
Highest
23 mph
1992-09-26
Lowest
3 mph
1980-09-27
Gust
Highest
51 mph
1992-09-26
Lowest
9 mph
1997-09-23
Precip
Wettest
3.59 in
1986
Driest
0.03 in
2012
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