S
M
T
W
T
F
S
30
73°
52°
31
73°
48°
1
77°
56°
2
75°
58°
3
78°
64°
4
75°
60°
5
69°
54°
6
70°
51°
7
N/A
8
70°
53°
9
69°
64°
10
72°
49°
11
67°
48°
12
72°
58°
13
76°
56°
14
69°
51°
15
72°
57°
16
68°
48°
17
64°
52°
18
66°
50°
19
64°
49°
20
62°
45°
21
60°
49°
22
61°
49°
23
66°
48°
24
68°
47°
25
69°
49°
26
68°
45°
27
61°
42°
28
66°
46°
29
68°
48°
30
69°
48°
1
69°
47°
2
68°
47°
3
66°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Farnham
Farnham's September 2026 forecast shows daily high temperatures ranging from 60° to 76°, with overnight lows between 42° and 64°. The average high for September is 67° 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 Farnham. See also: October | November | December.
