S
M
T
W
T
F
S
30
87°
69°
31
86°
64°
1
84°
65°
2
84°
63°
3
83°
62°
4
83°
61°
5
84°
63°
6
83°
65°
7
85°
64°
8
85°
63°
9
86°
66°
10
88°
67°
11
84°
67°
12
85°
66°
13
87°
66°
14
87°
65°
15
88°
66°
16
87°
65°
17
88°
66°
18
87°
64°
19
84°
63°
20
84°
62°
21
85°
56°
22
79°
55°
23
79°
61°
24
81°
63°
25
Hist. Avg.
81°
58°
26
Hist. Avg.
81°
57°
27
Hist. Avg.
80°
57°
28
Hist. Avg.
80°
56°
29
Hist. Avg.
80°
56°
30
Hist. Avg.
79°
56°
1
Hist. Avg.
79°
55°
2
Hist. Avg.
79°
55°
3
Hist. Avg.
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Spear Lake
Spear Lake's September 2026 forecast shows daily high temperatures ranging from 79° to 88°, with overnight lows between 55° and 69°. The average high for September is 85° with an average low of 64°. 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 Spear Lake. See also: October | November | December.
