S
M
T
W
T
F
S
30
70°
49°
31
68°
48°
1
65°
51°
2
67°
53°
3
68°
51°
4
67°
53°
5
67°
50°
6
66°
49°
7
66°
51°
8
66°
51°
9
65°
52°
10
62°
51°
11
64°
48°
12
64°
49°
13
63°
50°
14
61°
47°
15
59°
48°
16
61°
49°
17
62°
50°
18
60°
49°
19
59°
50°
20
60°
46°
21
61°
47°
22
61°
49°
23
56°
48°
24
57°
47°
25
58°
46°
26
Hist. Avg.
55°
45°
27
Hist. Avg.
55°
45°
28
Hist. Avg.
54°
45°
29
Hist. Avg.
54°
45°
30
Hist. Avg.
54°
45°
1
Hist. Avg.
53°
44°
2
Hist. Avg.
53°
44°
3
Hist. Avg.
53°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sandefjord
Sandefjord's September 2026 forecast shows daily high temperatures ranging from 56° to 70°, with overnight lows between 46° and 53°. The average high for September is 63° 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 Sandefjord. See also: October | November | December.
