S
M
T
W
T
F
S
30
81°
62°
31
83°
56°
1
82°
62°
2
80°
60°
3
82°
62°
4
81°
59°
5
73°
56°
6
75°
56°
7
77°
56°
8
73°
54°
9
77°
56°
10
79°
57°
11
77°
56°
12
77°
54°
13
72°
55°
14
72°
53°
15
65°
50°
16
64°
53°
17
74°
51°
18
72°
54°
19
74°
54°
20
75°
53°
21
71°
52°
22
72°
48°
23
61°
46°
24
62°
45°
25
69°
50°
26
67°
51°
27
72°
52°
28
72°
52°
29
70°
51°
30
69°
50°
1
69°
48°
2
66°
48°
3
64°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Upsala
Upsala's September 2026 forecast shows daily high temperatures ranging from 61° to 83°, with overnight lows between 45° and 62°. The average high for September is 73° with an average low of 53°. 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 Upsala. See also: October | November | December.
