S
M
T
W
T
F
S
30
85°
66°
31
90°
65°
1
88°
64°
2
83°
66°
3
90°
70°
4
91°
69°
5
88°
68°
6
85°
58°
7
79°
60°
8
78°
58°
9
77°
56°
10
77°
52°
11
74°
53°
12
73°
52°
13
74°
53°
14
73°
50°
15
77°
55°
16
74°
50°
17
74°
55°
18
75°
55°
19
73°
52°
20
74°
53°
21
76°
55°
22
76°
55°
23
75°
54°
24
76°
55°
25
75°
54°
26
74°
52°
27
75°
53°
28
75°
53°
29
74°
52°
30
74°
53°
1
73°
53°
2
74°
52°
3
73°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in TPC Twin Cities
TPC Twin Cities's September 2026 forecast shows daily high temperatures ranging from 73° to 91°, with overnight lows between 50° and 70°. The average high for September is 77° with an average low of 56°. 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 TPC Twin Cities. See also: October | November | December.
