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Claytonville, IL

93°F
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Claytonville

Illinois

93°
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Claytonville, IL 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
84°
64°
31
90°
65°
1
92°
72°
2
93°
71°
3
Hot and humid with sunshine
95°
72°
4
A thunderstorm in spots
94°
70°
5
Humid with a stray t-storm
88°
64°
6
Mostly sunny and less humid
83°
58°
7
Partly sunny and pleasant
80°
61°
8
Partly sunny and warmer
88°
67°
9
An afternoon t-storm or two
89°
68°
10
A t-storm around in the a.m.
83°
60°
11
Cloudy and less humid
82°
59°
12
High clouds and warm
84°
61°
13
Plenty of sun
81°
59°
14
Plenty of sun
82°
59°
15
Mostly sunny with a shower
81°
57°
16
Sunny
78°
54°
17
Mostly sunny, warm and humid
82°
60°
18
Mostly cloudy
74°
59°
19
A t-storm around in the p.m.
78°
59°
20
Mostly cloudy and humid
79°
58°
21
A shower and thunderstorm
78°
59°
22
Sunny and less humid
78°
57°
23
Plenty of sun
74°
55°
24
Decreasing clouds
76°
54°
25
Morning rain, then t-storms
77°
57°
26
A little morning rain; cloudy
78°
52°
27
Mostly sunny
69°
47°
28
Plenty of sunshine
67°
45°
29
Mostly sunny
68°
48°
30
Plenty of sunshine
67°
44°
1
Plenty of sunshine
66°
46°
2
Cloudy
69°
53°
3
Partly sunny
68°
52°

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 Claytonville

Claytonville's September 2026 forecast shows daily high temperatures ranging from 66° to 95°, with overnight lows between 44° and 72°. The average high for September is 79° with an average low of 57°. 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 Claytonville. See also: October | November | December.

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World North America United States Illinois Claytonville

Weather Near Claytonville:

  • Champaign, IL
  • Decatur, IL
  • Springfield, IL
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