S
M
T
W
T
F
S
30
79°
61°
31
80°
63°
1
81°
63°
2
80°
62°
3
80°
56°
4
78°
53°
5
77°
54°
6
78°
54°
7
80°
55°
8
84°
58°
9
83°
60°
10
83°
53°
11
77°
52°
12
77°
55°
13
78°
52°
14
76°
51°
15
73°
51°
16
75°
52°
17
74°
51°
18
75°
52°
19
78°
50°
20
75°
55°
21
79°
53°
22
76°
57°
23
80°
56°
24
79°
56°
25
78°
55°
26
76°
56°
27
77°
55°
28
80°
55°
29
80°
53°
30
77°
53°
1
78°
55°
2
79°
49°
3
79°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sparta
Sparta's September 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 44° and 63°. The average high for September is 78° with an average low of 55°. 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 Sparta. See also: October | November | December.
