S
M
T
W
T
F
S
30
71°
54°
31
71°
54°
1
70°
52°
2
67°
50°
3
64°
48°
4
65°
49°
5
65°
48°
6
68°
50°
7
69°
51°
8
69°
52°
9
70°
53°
10
70°
52°
11
68°
51°
12
67°
52°
13
67°
49°
14
64°
47°
15
63°
47°
16
63°
46°
17
64°
47°
18
63°
50°
19
65°
46°
20
62°
44°
21
61°
45°
22
61°
50°
23
63°
50°
24
66°
48°
25
65°
46°
26
62°
46°
27
61°
48°
28
60°
49°
29
61°
48°
30
60°
44°
1
59°
44°
2
59°
42°
3
60°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Slip End
Slip End's September 2026 forecast shows daily high temperatures ranging from 59° to 71°, with overnight lows between 41° and 54°. The average high for September is 65° 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 Slip End. See also: October | November | December.
