S
M
T
W
T
F
S
30
71°
48°
31
69°
47°
1
70°
52°
2
72°
54°
3
71°
53°
4
77°
54°
5
79°
52°
6
74°
53°
7
Hist. Avg.
72°
47°
8
Hist. Avg.
71°
46°
9
Hist. Avg.
71°
46°
10
Hist. Avg.
70°
46°
11
Hist. Avg.
70°
45°
12
Hist. Avg.
70°
45°
13
Hist. Avg.
69°
44°
14
Hist. Avg.
69°
44°
15
Hist. Avg.
68°
44°
16
Hist. Avg.
68°
43°
17
Hist. Avg.
67°
43°
18
Hist. Avg.
67°
42°
19
Hist. Avg.
66°
42°
20
Hist. Avg.
66°
42°
21
Hist. Avg.
65°
41°
22
Hist. Avg.
65°
41°
23
Hist. Avg.
64°
40°
24
Hist. Avg.
64°
40°
25
Hist. Avg.
63°
40°
26
Hist. Avg.
63°
39°
27
Hist. Avg.
62°
39°
28
Hist. Avg.
62°
38°
29
Hist. Avg.
61°
38°
30
Hist. Avg.
61°
38°
1
Hist. Avg.
60°
37°
2
Hist. Avg.
60°
37°
3
Hist. Avg.
59°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Park River
Park River's September 2026 forecast shows daily high temperatures ranging from 69° to 79°, with overnight lows between 47° and 54°. The average high for September is 73° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Park River. See also: October | November | December.
