S
M
T
W
T
F
S
30
68°
56°
31
72°
55°
1
72°
54°
2
71°
52°
3
69°
53°
4
71°
54°
5
70°
49°
6
71°
52°
7
68°
52°
8
70°
53°
9
68°
52°
10
65°
51°
11
65°
47°
12
66°
48°
13
64°
48°
14
64°
52°
15
65°
52°
16
67°
51°
17
67°
52°
18
68°
48°
19
69°
46°
20
63°
51°
21
64°
49°
22
64°
46°
23
65°
46°
24
62°
50°
25
63°
51°
26
66°
50°
27
66°
46°
28
65°
44°
29
62°
44°
30
61°
45°
1
62°
43°
2
61°
45°
3
63°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Eastleigh
Eastleigh's September 2026 forecast shows daily high temperatures ranging from 61° to 72°, with overnight lows between 43° and 56°. The average high for September is 66° with an average low of 50°. 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 Eastleigh. See also: October | November | December.
