S
M
T
W
T
F
S
30
84°
59°
31
77°
64°
1
69°
59°
2
76°
60°
3
81°
65°
4
85°
67°
5
76°
63°
6
72°
56°
7
81°
55°
8
82°
59°
9
81°
61°
10
86°
68°
11
78°
59°
12
76°
53°
13
71°
65°
14
77°
49°
15
72°
53°
16
76°
60°
17
79°
65°
18
79°
59°
19
71°
58°
20
68°
55°
21
66°
52°
22
69°
54°
23
68°
54°
24
69°
53°
25
69°
55°
26
71°
52°
27
65°
55°
28
73°
56°
29
73°
55°
30
65°
53°
1
64°
54°
2
64°
54°
3
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Providence
Providence's September 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 49° and 65°. The average high for September is 71° with an average low of 55°. 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 Providence. See also: October | November | December.