S
M
T
W
T
F
S
30
79°
67°
31
78°
69°
1
85°
68°
2
76°
70°
3
87°
72°
4
88°
69°
5
83°
65°
6
77°
67°
7
77°
66°
8
78°
63°
9
75°
64°
10
78°
66°
11
78°
65°
12
77°
64°
13
78°
64°
14
76°
62°
15
73°
62°
16
73°
66°
17
75°
59°
18
71°
58°
19
71°
57°
20
72°
60°
21
75°
65°
22
78°
66°
23
79°
65°
24
78°
63°
25
76°
60°
26
76°
62°
27
77°
63°
28
77°
63°
29
76°
60°
30
70°
55°
1
66°
54°
2
69°
58°
3
74°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in South Slope
South Slope's September 2026 forecast shows daily high temperatures ranging from 66° to 88°, with overnight lows between 54° and 72°. The average high for September is 76° with an average low of 63°. 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 South Slope. See also: October | November | December.
