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September weather forecast in Sioux Falls
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
+19
723 mmHg
71%
6.2
m/s
SE
31 August, Sunday. day, 27°; night, 17°; clear
1
+27
+16
1 September, mon
+27
+16
Feels like
+20
723 mmHg
72%
6
m/s
S
1 September, Monday. day, 27°; night, 16°; clear
2
+27
+17
2 September, tue
+27
+17
Feels like
+20
722 mmHg
71%
6.4
m/s
S
2 September, Tuesday. day, 27°; night, 17°; rain
3
+26
+16
3 September, wed
+26
+16
Feels like
+19
723 mmHg
70%
6.2
m/s
S
3 September, Wednesday. day, 26°; night, 16°; clear
4
+27
+16
4 September, thu
+27
+16
Feels like
+19
723 mmHg
71%
5.7
m/s
S
4 September, Thursday. day, 27°; night, 16°; clear
5
+27
+16
5 September, fri
+27
+16
Feels like
+19
723 mmHg
70%
6.3
m/s
S
5 September, Friday. day, 27°; night, 16°; clear
6
+26
+16
6 September, sat
+26
+16
Feels like
+19
723 mmHg
70%
6.2
m/s
S
6 September, Saturday. day, 26°; night, 16°; clear
7
+25
+15
7 September, sun
+25
+15
Feels like
+17
723 mmHg
70%
6
m/s
S
7 September, Sunday. day, 25°; night, 15°; partly cloudy
8
+24
+13
8 September, mon
+24
+13
Feels like
+15
724 mmHg
69%
5.8
m/s
S
8 September, Monday. day, 24°; night, 13°; clear
9
+24
+14
9 September, tue
+24
+14
Feels like
+15
723 mmHg
71%
6.3
m/s
S
9 September, Tuesday. day, 24°; night, 14°; rain
10
+24
+14
10 September, wed
+24
+14
Feels like
+16
723 mmHg
69%
6.2
m/s
S
10 September, Wednesday. day, 24°; night, 14°; clear
11
+25
+14
11 September, thu
+25
+14
Feels like
+16
723 mmHg
68%
6.2
m/s
S
11 September, Thursday. day, 25°; night, 14°; clear
12
+24
+13
12 September, fri
+24
+13
Feels like
+15
723 mmHg
69%
5.5
m/s
S
12 September, Friday. day, 24°; night, 13°; clear
13
+24
+13
13 September, sat
+24
+13
Feels like
+15
723 mmHg
68%
5.9
m/s
S
13 September, Saturday. day, 24°; night, 13°; clear
14
+23
+13
14 September, sun
+23
+13
Feels like
+14
723 mmHg
70%
6.2
m/s
S
14 September, Sunday. day, 23°; night, 13°; partly cloudy
15
+23
+13
15 September, mon
+23
+13
Feels like
+15
724 mmHg
69%
6.3
m/s
S
15 September, Monday. day, 23°; night, 13°; rain
16
+25
+13
16 September, tue
+25
+13
Feels like
+15
723 mmHg
70%
6.2
m/s
S
16 September, Tuesday. day, 25°; night, 13°; clear
17
+24
+14
17 September, wed
+24
+14
Feels like
+15
722 mmHg
69%
6.1
m/s
S
17 September, Wednesday. day, 24°; night, 14°; partly cloudy
18
+24
+14
18 September, thu
+24
+14
Feels like
+15
721 mmHg
70%
6.5
m/s
S
18 September, Thursday. day, 24°; night, 14°; rain
19
+24
+14
19 September, fri
+24
+14
Feels like
+15
721 mmHg
70%
6.9
m/s
S
19 September, Friday. day, 24°; night, 14°; rain
20
+24
+13
20 September, sat
+24
+13
Feels like
+14
721 mmHg
67%
7.4
m/s
S
20 September, Saturday. day, 24°; night, 13°; overcast
21
+22
+12
21 September, sun
+22
+12
Feels like
+13
722 mmHg
67%
7.1
m/s
SW
21 September, Sunday. day, 22°; night, 12°; overcast
22
+21
+10
22 September, mon
+21
+10
Feels like
+12
723 mmHg
70%
6.2
m/s
S
22 September, Monday. day, 21°; night, 10°; rain
23
+21
+12
23 September, tue
+21
+12
Feels like
+12
722 mmHg
71%
6.8
m/s
S
23 September, Tuesday. day, 21°; night, 12°; rain
24
+21
+11
24 September, wed
+21
+11
Feels like
+12
722 mmHg
71%
6.5
m/s
S
24 September, Wednesday. day, 21°; night, 11°; partly cloudy
25
+22
+10
25 September, thu
+22
+10
Feels like
+12
723 mmHg
70%
5.5
m/s
SW
25 September, Thursday. day, 22°; night, 10°; rain
26
+23
+10
26 September, fri
+23
+10
Feels like
+12
722 mmHg
67%
5.8
m/s
S
26 September, Friday. day, 23°; night, 10°; clear
27
+23
+11
27 September, sat
+23
+11
Feels like
+12
721 mmHg
65%
6.2
m/s
S
27 September, Saturday. day, 23°; night, 11°; clear
28
+22
+9
28 September, sun
+22
+9
Feels like
+10
724 mmHg
65%
6.3
m/s
S
28 September, Sunday. day, 22°; night, 9°; clear
29
+22
+10
29 September, mon
+22
+10
Feels like
+11
723 mmHg
64%
6.6
m/s
S
29 September, Monday. day, 22°; night, 10°; clear
30
+23
+11
30 September, tue
+23
+11
Feels like
+12
722 mmHg
62%
6.9
m/s
S
30 September, Tuesday. day, 23°; night, 11°; clear
1
+21
+11
1 October, wed
+21
+11
Feels like
+11
723 mmHg
65%
6.8
m/s
S
1 October, Wednesday. day, 21°; night, 11°; rain
2
+20
+9
2 October, thu
+20
+9
Feels like
+9
723 mmHg
67%
6.4
m/s
S
2 October, Thursday. day, 20°; night, 9°; partly cloudy
3
+19
+9
3 October, fri
+19
+9
Feels like
+9
722 mmHg
66%
6.7
m/s
S
3 October, Friday. day, 19°; night, 9°; partly cloudy
4
+18
+8
4 October, sat
+18
+8
Feels like
+7
724 mmHg
67%
6.7
m/s
S
4 October, Saturday. day, 18°; night, 8°; rain
Average data for 10 years
Sioux Falls September
16
sunny days
8
days with precipitation
4
cloudy days
16 sunny days; 8 days with precipitation; 4 cloudy days;
69
%
air humidity
4.3
m/s
Wind
S
76
mm of precipitation
(10% of annual average)
air humidity 69%; 76 millimeters of precipitation (10% of annual average); Wind southerly 4.3 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
SW
S
S
S
SW
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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