S
M
T
W
T
F
S
30
67°
50°
31
66°
49°
1
69°
50°
2
70°
53°
3
71°
54°
4
70°
48°
5
67°
48°
6
65°
50°
7
69°
50°
8
70°
48°
9
70°
53°
10
69°
53°
11
70°
52°
12
69°
49°
13
67°
46°
14
64°
51°
15
63°
52°
16
64°
51°
17
64°
52°
18
67°
51°
19
65°
52°
20
66°
52°
21
68°
49°
22
66°
46°
23
62°
44°
24
61°
45°
25
62°
46°
26
64°
46°
27
63°
47°
28
60°
51°
29
63°
50°
30
63°
49°
1
64°
50°
2
65°
49°
3
59°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Farnborough
Farnborough's September 2026 forecast shows daily high temperatures ranging from 59° to 71°, with overnight lows between 42° and 54°. The average high for September is 66° with an average low of 49°. 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 Farnborough. See also: October | November | December.
