S
M
T
W
T
F
S
30
87°
66°
31
86°
67°
1
87°
68°
2
90°
66°
3
85°
63°
4
84°
62°
5
84°
62°
6
85°
61°
7
85°
62°
8
88°
62°
9
88°
64°
10
87°
61°
11
88°
61°
12
89°
65°
13
89°
64°
14
88°
63°
15
88°
64°
16
87°
64°
17
86°
63°
18
86°
63°
19
84°
62°
20
85°
63°
21
84°
61°
22
82°
62°
23
82°
57°
24
80°
61°
25
Hist. Avg.
84°
59°
26
Hist. Avg.
83°
59°
27
Hist. Avg.
83°
58°
28
Hist. Avg.
82°
58°
29
Hist. Avg.
82°
58°
30
Hist. Avg.
82°
57°
1
Hist. Avg.
82°
57°
2
Hist. Avg.
81°
56°
3
Hist. Avg.
81°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sparta
Sparta's September 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 57° and 68°. The average high for September is 86° 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 Sparta. See also: October | November | December.
