S
M
T
W
T
F
S
30
84°
64°
31
83°
64°
1
83°
63°
2
84°
64°
3
82°
58°
4
81°
54°
5
80°
54°
6
81°
56°
7
85°
56°
8
86°
61°
9
87°
61°
10
82°
54°
11
79°
53°
12
80°
54°
13
82°
53°
14
79°
52°
15
77°
52°
16
78°
50°
17
77°
51°
18
78°
53°
19
82°
56°
20
80°
55°
21
83°
57°
22
83°
58°
23
84°
57°
24
80°
56°
25
79°
56°
26
80°
55°
27
82°
55°
28
82°
54°
29
83°
55°
30
82°
54°
1
81°
55°
2
82°
51°
3
82°
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 77° to 87°, with overnight lows between 44° and 64°. The average high for September is 82° with an average low of 56°. 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.
