S
M
T
W
T
F
S
31
66°
54°
1
66°
57°
2
66°
55°
3
64°
54°
4
65°
58°
5
64°
54°
6
69°
49°
7
67°
48°
8
65°
49°
9
69°
59°
10
69°
60°
11
63°
56°
12
62°
49°
13
60°
49°
14
57°
44°
15
58°
44°
16
62°
51°
17
67°
50°
18
65°
50°
19
61°
55°
20
63°
54°
21
59°
48°
22
55°
42°
23
57°
38°
24
59°
37°
25
59°
38°
26
60°
36°
27
58°
40°
28
58°
45°
29
58°
48°
30
54°
45°
1
54°
45°
2
55°
44°
3
56°
50°
4
54°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sandefjord
Sandefjord's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.
