S
M
T
W
T
F
S
30
78°
68°
31
90°
71°
1
94°
77°
2
98°
77°
3
92°
69°
4
77°
68°
5
82°
64°
6
79°
60°
7
82°
60°
8
85°
62°
9
89°
71°
10
83°
69°
11
81°
62°
12
78°
69°
13
78°
60°
14
68°
57°
15
83°
69°
16
81°
70°
17
82°
66°
18
73°
63°
19
73°
60°
20
66°
56°
21
67°
58°
22
68°
57°
23
69°
57°
24
68°
56°
25
67°
56°
26
75°
61°
27
76°
62°
28
76°
61°
29
75°
60°
30
73°
61°
1
74°
61°
2
74°
59°
3
70°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Erie Side
Erie Side's September 2026 forecast shows daily high temperatures ranging from 66° to 83°, with overnight lows between 56° and 70°. The average high for September is 73° with an average low of 61°. 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 Erie Side. See also: October | November | December.
