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September weather forecast in Iowa City
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
+17
31 August, sun
+27
+17
Feels like
+21
742 mmHg
73%
4.4
m/s
SE
31 August, Sunday. day, 27°; night, 17°; clear
1
+27
+17
1 September, mon
+27
+17
Feels like
+21
742 mmHg
73%
4.9
m/s
SE
1 September, Monday. day, 27°; night, 17°; clear
2
+27
+17
2 September, tue
+27
+17
Feels like
+21
742 mmHg
71%
4.69
m/s
S
2 September, Tuesday. day, 27°; night, 17°; clear
3
+27
+17
3 September, wed
+27
+17
Feels like
+21
741 mmHg
71%
4.9
m/s
S
3 September, Wednesday. day, 27°; night, 17°; rain
4
+27
+17
4 September, thu
+27
+17
Feels like
+20
742 mmHg
71%
4.8
m/s
S
4 September, Thursday. day, 27°; night, 17°; clear
5
+27
+17
5 September, fri
+27
+17
Feels like
+20
742 mmHg
71%
5.2
m/s
S
5 September, Friday. day, 27°; night, 17°; clear
6
+27
+17
6 September, sat
+27
+17
Feels like
+20
742 mmHg
70%
5.3
m/s
S
6 September, Saturday. day, 27°; night, 17°; clear
7
+26
+17
7 September, sun
+26
+17
Feels like
+20
741 mmHg
71%
5.2
m/s
S
7 September, Sunday. day, 26°; night, 17°; partly cloudy
8
+25
+15
8 September, mon
+25
+15
Feels like
+18
741 mmHg
71%
5
m/s
S
8 September, Monday. day, 25°; night, 15°; rain
9
+25
+15
9 September, tue
+25
+15
Feels like
+17
742 mmHg
73%
5
m/s
S
9 September, Tuesday. day, 25°; night, 15°; clear
10
+25
+15
10 September, wed
+25
+15
Feels like
+18
742 mmHg
71%
5.6
m/s
S
10 September, Wednesday. day, 25°; night, 15°; rain
11
+25
+15
11 September, thu
+25
+15
Feels like
+18
742 mmHg
71%
5.5
m/s
S
11 September, Thursday. day, 25°; night, 15°; clear
12
+25
+15
12 September, fri
+25
+15
Feels like
+17
742 mmHg
71%
5.3
m/s
SW
12 September, Friday. day, 25°; night, 15°; partly cloudy
13
+25
+14
13 September, sat
+25
+14
Feels like
+17
741 mmHg
71%
5.1
m/s
S
13 September, Saturday. day, 25°; night, 14°; partly cloudy
14
+24
+13
14 September, sun
+24
+13
Feels like
+16
742 mmHg
69%
5.1
m/s
S
14 September, Sunday. day, 24°; night, 13°; partly cloudy
15
+24
+14
15 September, mon
+24
+14
Feels like
+16
743 mmHg
69%
5.2
m/s
S
15 September, Monday. day, 24°; night, 14°; overcast
16
+24
+14
16 September, tue
+24
+14
Feels like
+17
743 mmHg
70%
5
m/s
SE
16 September, Tuesday. day, 24°; night, 14°; clear
17
+24
+14
17 September, wed
+24
+14
Feels like
+17
742 mmHg
70%
5.3
m/s
S
17 September, Wednesday. day, 24°; night, 14°; clear
18
+25
+15
18 September, thu
+25
+15
Feels like
+17
741 mmHg
70%
5.4
m/s
SE
18 September, Thursday. day, 25°; night, 15°; partly cloudy
19
+25
+16
19 September, fri
+25
+16
Feels like
+17
740 mmHg
72%
6.3
m/s
S
19 September, Friday. day, 25°; night, 16°; rain
20
+25
+15
20 September, sat
+25
+15
Feels like
+17
740 mmHg
72%
5.8
m/s
S
20 September, Saturday. day, 25°; night, 15°; rain
21
+23
+14
21 September, sun
+23
+14
Feels like
+15
741 mmHg
69%
6.6
m/s
SW
21 September, Sunday. day, 23°; night, 14°; partly cloudy
22
+22
+13
22 September, mon
+22
+13
Feels like
+14
742 mmHg
71%
5.7
m/s
SW
22 September, Monday. day, 22°; night, 13°; rain
23
+22
+12
23 September, tue
+22
+12
Feels like
+14
742 mmHg
71%
5.5
m/s
S
23 September, Tuesday. day, 22°; night, 12°; rain
24
+22
+13
24 September, wed
+22
+13
Feels like
+14
742 mmHg
70%
5.4
m/s
S
24 September, Wednesday. day, 22°; night, 13°; rain
25
+23
+13
25 September, thu
+23
+13
Feels like
+15
741 mmHg
69%
5.1
m/s
S
25 September, Thursday. day, 23°; night, 13°; clear
26
+23
+12
26 September, fri
+23
+12
Feels like
+14
740 mmHg
69%
5.4
m/s
S
26 September, Friday. day, 23°; night, 12°; clear
27
+23
+12
27 September, sat
+23
+12
Feels like
+14
740 mmHg
69%
5.5
m/s
S
27 September, Saturday. day, 23°; night, 12°; clear
28
+21
+12
28 September, sun
+21
+12
Feels like
+13
741 mmHg
69%
5.5
m/s
S
28 September, Sunday. day, 21°; night, 12°; clear
29
+22
+11
29 September, mon
+22
+11
Feels like
+12
742 mmHg
68%
6
m/s
S
29 September, Monday. day, 22°; night, 11°; clear
30
+23
+12
30 September, tue
+23
+12
Feels like
+13
742 mmHg
65%
6.2
m/s
S
30 September, Tuesday. day, 23°; night, 12°; clear
1
+22
+12
1 October, wed
+22
+12
Feels like
+13
742 mmHg
66%
6.1
m/s
S
1 October, Wednesday. day, 22°; night, 12°; clear
2
+21
+11
2 October, thu
+21
+11
Feels like
+12
742 mmHg
70%
6
m/s
S
2 October, Thursday. day, 21°; night, 11°; rain
3
+21
+11
3 October, fri
+21
+11
Feels like
+12
741 mmHg
69%
6.2
m/s
S
3 October, Friday. day, 21°; night, 11°; rain
4
+20
+11
4 October, sat
+20
+11
Feels like
+11
743 mmHg
67%
6.1
m/s
S
4 October, Saturday. day, 20°; night, 11°; partly cloudy
Average data for 10 years
Iowa City September
15
sunny days
8
days with precipitation
4
cloudy days
15 sunny days; 8 days with precipitation; 4 cloudy days;
70
%
air humidity
3.7
m/s
Wind
S
89
mm of precipitation
(10% of annual average)
air humidity 70%; 89 millimeters of precipitation (10% of annual average); Wind southerly 3.7 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SE
S
S
S
S
S
S
S
S
S
S
SW
S
S
S
SE
S
SE
S
S
SW
SW
S
S
S
S
S
S
S
S
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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