S
M
T
W
T
F
S
30
80°
54°
31
69°
54°
1
72°
52°
2
73°
52°
3
74°
56°
4
81°
60°
5
75°
53°
6
69°
49°
7
69°
50°
8
70°
53°
9
69°
52°
10
67°
51°
11
66°
47°
12
64°
45°
13
65°
46°
14
66°
40°
15
71°
49°
16
70°
50°
17
70°
49°
18
69°
48°
19
70°
48°
20
70°
49°
21
69°
47°
22
68°
46°
23
68°
48°
24
71°
48°
25
66°
47°
26
67°
45°
27
68°
46°
28
66°
46°
29
63°
45°
30
64°
45°
1
65°
44°
2
64°
43°
3
63°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dauphin
Dauphin's September 2026 forecast shows daily high temperatures ranging from 63° to 81°, with overnight lows between 40° and 60°. The average high for September is 69° with an average low of 48°. 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 Dauphin. See also: October | November | December.
