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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Fort Smith, AR
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September
Average Temperature
High
30°
Feels 32
Low
18°
Feels 18
Average Precipitation
8 Days
Rain amount
74.8mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
38°
3
38°
4
38°
5
39°
6
40°
7
39°
8
39°
9
38°
10
37°
11
35°
12
36°
13
35°
14
36°
15
35°
16
35°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Wednesday, September 2, 2026
Day
38°
Feels 42
Wind
16 km/h S
Gust
25 km/h
Humidity
31%
P.O.P
0%
Night
25°
Feels 25
Wind
18 km/h SE
Gust
26 km/h
Humidity
80%
P.O.P
0%
Historical Averages
Sep 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.