S
M
T
W
T
F
S
30
104°
75°
31
99°
71°
1
97°
67°
2
99°
66°
3
100°
68°
4
102°
69°
5
101°
70°
6
94°
70°
7
98°
68°
8
100°
73°
9
98°
66°
10
90°
63°
11
99°
64°
12
94°
57°
13
100°
62°
14
98°
70°
15
92°
64°
16
86°
61°
17
92°
66°
18
89°
67°
19
94°
60°
20
90°
57°
21
82°
58°
22
84°
59°
23
72°
61°
24
81°
61°
25
77°
60°
26
86°
56°
27
87°
58°
28
82°
61°
29
80°
54°
30
77°
50°
1
79°
49°
2
83°
55°
3
78°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tucumcari
Tucumcari's September 2026 forecast shows daily high temperatures ranging from 77° to 87°, with overnight lows between 46° and 61°. The average high for September is 81° 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 Tucumcari. See also: October | November | December.
