S
M
T
W
T
F
S
30
80°
60°
31
82°
58°
1
82°
58°
2
82°
64°
3
82°
57°
4
88°
69°
5
88°
64°
6
86°
64°
7
73°
57°
8
80°
55°
9
82°
55°
10
85°
55°
11
86°
66°
12
87°
61°
13
88°
62°
14
69°
53°
15
74°
49°
16
85°
63°
17
84°
65°
18
74°
58°
19
69°
53°
20
70°
49°
21
77°
51°
22
73°
56°
23
74°
52°
24
79°
53°
25
81°
56°
26
77°
56°
27
82°
60°
28
73°
56°
29
74°
52°
30
75°
52°
1
76°
53°
2
81°
53°
3
81°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Syracuse
Syracuse's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Syracuse. See also: October | November | December.
