S
M
T
W
T
F
S
30
87°
69°
31
88°
69°
1
94°
72°
2
92°
72°
3
91°
71°
4
92°
71°
5
85°
68°
6
85°
62°
7
84°
60°
8
87°
58°
9
90°
72°
10
88°
70°
11
81°
68°
12
81°
71°
13
86°
69°
14
89°
70°
15
88°
71°
16
87°
69°
17
80°
65°
18
81°
66°
19
75°
59°
20
74°
62°
21
77°
61°
22
75°
61°
23
76°
65°
24
76°
64°
25
73°
59°
26
72°
60°
27
80°
64°
28
81°
63°
29
76°
60°
30
79°
63°
1
78°
62°
2
76°
59°
3
76°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lincolnia
Lincolnia's September 2026 forecast shows daily high temperatures ranging from 72° to 90°, with overnight lows between 59° and 72°. The average high for September is 80° with an average low of 65°. 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 Lincolnia. See also: October | November | December.