S
M
T
W
T
F
S
30
81°
64°
31
86°
70°
1
91°
74°
2
91°
70°
3
91°
70°
4
86°
70°
5
81°
64°
6
77°
59°
7
79°
55°
8
84°
57°
9
88°
66°
10
81°
63°
11
79°
57°
12
77°
64°
13
82°
55°
14
70°
46°
15
90°
55°
16
86°
70°
17
81°
68°
18
75°
63°
19
79°
59°
20
79°
61°
21
64°
55°
22
64°
56°
23
64°
52°
24
67°
46°
25
66°
44°
26
70°
48°
27
70°
51°
28
71°
50°
29
73°
52°
30
70°
50°
1
71°
52°
2
72°
49°
3
66°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Celina
Celina's September 2026 forecast shows daily high temperatures ranging from 64° to 73°, with overnight lows between 44° and 56°. The average high for September is 68° with an average low of 51°. 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 Celina. See also: October | November | December.
