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