S
M
T
W
T
F
S
30
83°
63°
31
77°
58°
1
76°
57°
2
76°
58°
3
79°
62°
4
83°
63°
5
82°
64°
6
82°
63°
7
81°
60°
8
84°
62°
9
83°
61°
10
84°
57°
11
81°
60°
12
77°
62°
13
82°
55°
14
84°
49°
15
79°
48°
16
71°
49°
17
71°
50°
18
72°
57°
19
75°
59°
20
76°
58°
21
75°
56°
22
78°
56°
23
81°
55°
24
81°
58°
25
80°
58°
26
81°
57°
27
81°
46°
28
79°
45°
29
68°
48°
30
67°
46°
1
68°
50°
2
67°
46°
3
67°
44°
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 67° to 84°, with overnight lows between 44° and 64°. The average high for September is 77° 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 Celina. See also: October | November | December.
