S
M
T
W
T
F
S
30
72°
53°
31
75°
56°
1
72°
50°
2
77°
48°
3
69°
48°
4
67°
47°
5
67°
47°
6
68°
52°
7
75°
56°
8
77°
56°
9
76°
48°
10
69°
48°
11
69°
52°
12
70°
46°
13
72°
46°
14
67°
44°
15
65°
45°
16
67°
49°
17
70°
46°
18
73°
43°
19
65°
48°
20
67°
42°
21
64°
50°
22
63°
51°
23
72°
52°
24
73°
50°
25
72°
50°
26
69°
49°
27
72°
49°
28
71°
47°
29
69°
49°
30
68°
50°
1
71°
41°
2
71°
38°
3
66°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Christiana
Christiana's September 2026 forecast shows daily high temperatures ranging from 63° to 77°, with overnight lows between 37° and 56°. The average high for September is 70° with an average low of 48°. 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 Christiana. See also: October | November | December.
