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