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Mendon, MO

76°F
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Mendon, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Hourly 10-Day Radar MinuteCast®

Monthly

Air Quality Health & Activities
Heat Advisory

September

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
30
96°
75°
31
97°
74°
1
99°
68°
2
Sunshine and hot
97°
74°
3
Sunshine and hot
96°
72°
4
Hot with blazing sunshine
95°
71°
5
Mostly sunny and hot
97°
69°
6
Hot with a t-storm in spots
96°
69°
7
Mostly cloudy and hot
92°
72°
8
Mostly sunny; hot, less humid
93°
71°
9
Hot; a p.m. t-storm or two
95°
69°
10
Rain and a thunderstorm
88°
63°
11
Sunny and less humid
82°
64°
12
A t-storm around in the p.m.
83°
64°
13
Sunshine
81°
61°
14
Sunny to partly cloudy
78°
59°
15
Mostly sunny and less humid
79°
56°
16
Sunny
84°
62°
17
Mostly sunny
83°
63°
18
Partly sunny
77°
59°
19
Mostly sunny
80°
61°
20
Mostly cloudy
82°
61°
21
Rain becoming steadier; humid
78°
60°
22
Less humid with plenty of sun
80°
60°
23
Mostly sunny
79°
59°
24
Times of clouds and sun
80°
59°
25
Cloudy with occasional rain
80°
58°
26
Mostly sunny and less humid
71°
52°
27
Plenty of sunshine
68°
47°
28
Plenty of sunshine
67°
46°
29
Plenty of sunshine
68°
50°
30
Plenty of sun
72°
47°
1
Sunshine and a few clouds
71°
55°
2
Turning cloudy
73°
52°
3
Sunshine
66°
53°

Temperature Graph

°F
100° 88° 76° 64° 52° Sep
Today 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

September Weather in Mendon

Mendon's September 2026 forecast shows daily high temperatures ranging from 66° to 97°, with overnight lows between 46° and 74°. The average high for September is 82° with an average low of 61°. 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 Mendon. See also: October | November | December.

Further Ahead

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December 2026

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World North America United States Missouri Mendon

Weather Near Mendon:

  • Columbia, MO
  • Jefferson City, MO
  • Moberly, MO
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