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September weather forecast in Naperville
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
31
+27
+22
31 August, sun
+27
+22
Feels like
+28
743 mmHg
61%
4.4
m/s
S
31 August, Sunday. day, 27°; night, 22°; clear
1
+25
+21
1 September, mon
+25
+21
Feels like
+26
743 mmHg
62%
4.6
m/s
E
1 September, Monday. day, 25°; night, 21°; partly cloudy
2
+26
+20
2 September, tue
+26
+20
Feels like
+27
742 mmHg
61%
4.4
m/s
W
2 September, Tuesday. day, 26°; night, 20°; clear
3
+24
+19
3 September, wed
+24
+19
Feels like
+25
742 mmHg
64%
4.6
m/s
NW
3 September, Wednesday. day, 24°; night, 19°; partly cloudy
4
+23
+19
4 September, thu
+23
+19
Feels like
+23
743 mmHg
66%
4.6
m/s
NE
4 September, Thursday. day, 23°; night, 19°; partly cloudy
5
+24
+18
5 September, fri
+24
+18
Feels like
+24
743 mmHg
60%
5
m/s
SE
5 September, Friday. day, 24°; night, 18°; clear
6
+25
+19
6 September, sat
+25
+19
Feels like
+24
743 mmHg
55%
5
m/s
W
6 September, Saturday. day, 25°; night, 19°; clear
7
+23
+19
7 September, sun
+23
+19
Feels like
+23
743 mmHg
66%
4.3
m/s
NE
7 September, Sunday. day, 23°; night, 19°; clear
8
+23
+18
8 September, mon
+23
+18
Feels like
+23
743 mmHg
68%
4
m/s
NE
8 September, Monday. day, 23°; night, 18°; partly cloudy
9
+23
+18
9 September, tue
+23
+18
Feels like
+23
743 mmHg
64%
4.6
m/s
SE
9 September, Tuesday. day, 23°; night, 18°; clear
10
+22
+18
10 September, wed
+22
+18
Feels like
+21
744 mmHg
62%
4.6
m/s
W
10 September, Wednesday. day, 22°; night, 18°; partly cloudy
11
+23
+16
11 September, thu
+23
+16
Feels like
+21
744 mmHg
60%
5.1
m/s
W
11 September, Thursday. day, 23°; night, 16°; clear
12
+22
+17
12 September, fri
+22
+17
Feels like
+21
744 mmHg
61%
4.5
m/s
SW
12 September, Friday. day, 22°; night, 17°; clear
13
+22
+16
13 September, sat
+22
+16
Feels like
+21
744 mmHg
61%
4.1
m/s
S
13 September, Saturday. day, 22°; night, 16°; partly cloudy
14
+21
+17
14 September, sun
+21
+17
Feels like
+20
745 mmHg
62%
4.1
m/s
E
14 September, Sunday. day, 21°; night, 17°; clear
15
+20
+16
15 September, mon
+20
+16
Feels like
+19
746 mmHg
62%
4.8
m/s
E
15 September, Monday. day, 20°; night, 16°; partly cloudy
16
+23
+16
16 September, tue
+23
+16
Feels like
+22
745 mmHg
62%
4.9
m/s
SE
16 September, Tuesday. day, 23°; night, 16°; clear
17
+23
+17
17 September, wed
+23
+17
Feels like
+23
743 mmHg
72%
4.9
m/s
SE
17 September, Wednesday. day, 23°; night, 17°; rain
18
+21
+17
18 September, thu
+21
+17
Feels like
+21
743 mmHg
69%
4.5
m/s
E
18 September, Thursday. day, 21°; night, 17°; clear
19
+24
+16
19 September, fri
+24
+16
Feels like
+23
742 mmHg
62%
5.3
m/s
S
19 September, Friday. day, 24°; night, 16°; clear
20
+23
+19
20 September, sat
+23
+19
Feels like
+23
742 mmHg
57%
5
m/s
SW
20 September, Saturday. day, 23°; night, 19°; clear
21
+22
+17
21 September, sun
+22
+17
Feels like
+21
745 mmHg
66%
4
m/s
SE
21 September, Sunday. day, 22°; night, 17°; clear
22
+23
+17
22 September, mon
+23
+17
Feels like
+22
745 mmHg
61%
4.6
m/s
SE
22 September, Monday. day, 23°; night, 17°; rain
23
+21
+18
23 September, tue
+21
+18
Feels like
+21
746 mmHg
68%
4.6
m/s
SE
23 September, Tuesday. day, 21°; night, 18°; rain
24
+21
+17
24 September, wed
+21
+17
Feels like
+20
745 mmHg
62%
4.1
m/s
E
24 September, Wednesday. day, 21°; night, 17°; clear
25
+22
+17
25 September, thu
+22
+17
Feels like
+22
743 mmHg
68%
4.5
m/s
E
25 September, Thursday. day, 22°; night, 17°; rain
26
+21
+16
26 September, fri
+21
+16
Feels like
+19
742 mmHg
63%
5
m/s
E
26 September, Friday. day, 21°; night, 16°; clear
27
+21
+15
27 September, sat
+21
+15
Feels like
+19
741 mmHg
61%
4.9
m/s
NW
27 September, Saturday. day, 21°; night, 15°; partly cloudy
28
+18
+16
28 September, sun
+18
+16
Feels like
+16
742 mmHg
67%
5.4
m/s
NW
28 September, Sunday. day, 18°; night, 16°; clear
29
+17
+14
29 September, mon
+17
+14
Feels like
+15
744 mmHg
64%
5
m/s
N
29 September, Monday. day, 17°; night, 14°; rain
30
+17
+12
30 September, tue
+17
+12
Feels like
+15
744 mmHg
67%
5.3
m/s
NE
30 September, Tuesday. day, 17°; night, 12°; clear
1
+17
+13
1 October, wed
+17
+13
Feels like
+15
743 mmHg
66%
5.4
m/s
NE
1 October, Wednesday. day, 17°; night, 13°; overcast
2
+17
+13
2 October, thu
+17
+13
Feels like
+14
743 mmHg
72%
5
m/s
N
2 October, Thursday. day, 17°; night, 13°; partly cloudy
3
+16
+13
3 October, fri
+16
+13
Feels like
+15
744 mmHg
75%
4.6
m/s
N
3 October, Friday. day, 16°; night, 13°; partly cloudy
4
+19
+13
4 October, sat
+19
+13
Feels like
+18
744 mmHg
62%
4.5
m/s
S
4 October, Saturday. day, 19°; night, 13°; partly cloudy
Average data for 10 years
Naperville September
17
sunny days
5
days with precipitation
8
cloudy days
17 sunny days; 5 days with precipitation; 8 cloudy days;
63
%
air humidity
3.2
m/s
Wind
SE
53
mm of precipitation
(7% of annual average)
air humidity 63%; 53 millimeters of precipitation (7% of annual average); Wind south-easterly 3.2 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
E
W
NW
NE
SE
W
NE
NE
SE
W
W
SW
S
E
E
SE
SE
E
S
SW
SE
SE
SE
E
E
E
NW
NW
N
NE
1
Average data for 10 years
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
Daytime temperature
Night-time temperature
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