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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
1
+25
+20
1 September, sun
+25
+20
Feels like
+24
724 mmHg
56%
7.5
m/s
S
1 September, Sunday. day, 25°; night, 20°; clear
2
+25
+19
2 September, mon
+25
+19
Feels like
+22
724 mmHg
52%
8.3
m/s
S
2 September, Monday. day, 25°; night, 19°; clear
3
+25
+19
3 September, tue
+25
+19
Feels like
+22
724 mmHg
46%
6.6
m/s
S
3 September, Tuesday. day, 25°; night, 19°; rain
4
+24
+17
4 September, wed
+24
+17
Feels like
+22
724 mmHg
55%
7.5
m/s
SE
4 September, Wednesday. day, 24°; night, 17°; clear
5
+24
+18
5 September, thu
+24
+18
Feels like
+22
723 mmHg
54%
7.3
m/s
S
5 September, Thursday. day, 24°; night, 18°; clear
6
+24
+17
6 September, fri
+24
+17
Feels like
+21
724 mmHg
49%
7.1
m/s
S
6 September, Friday. day, 24°; night, 17°; clear
7
+23
+17
7 September, sat
+23
+17
Feels like
+21
725 mmHg
60%
6.4
m/s
E
7 September, Saturday. day, 23°; night, 17°; partly cloudy
8
+25
+17
8 September, sun
+25
+17
Feels like
+23
724 mmHg
54%
6.8
m/s
SE
8 September, Sunday. day, 25°; night, 17°; partly cloudy
9
+22
+18
9 September, mon
+22
+18
Feels like
+19
725 mmHg
58%
7
m/s
SE
9 September, Monday. day, 22°; night, 18°; partly cloudy
10
+24
+17
10 September, tue
+24
+17
Feels like
+21
726 mmHg
50%
7.6
m/s
SW
10 September, Tuesday. day, 24°; night, 17°; partly cloudy
11
+24
+18
11 September, wed
+24
+18
Feels like
+22
725 mmHg
44%
6.5
m/s
SW
11 September, Wednesday. day, 24°; night, 18°; clear
12
+22
+16
12 September, thu
+22
+16
Feels like
+19
725 mmHg
56%
6.8
m/s
SE
12 September, Thursday. day, 22°; night, 16°; partly cloudy
13
+22
+16
13 September, fri
+22
+16
Feels like
+19
724 mmHg
52%
6.9
m/s
S
13 September, Friday. day, 22°; night, 16°; clear
14
+21
+16
14 September, sat
+21
+16
Feels like
+18
726 mmHg
52%
8
m/s
E
14 September, Saturday. day, 21°; night, 16°; rain
15
+21
+14
15 September, sun
+21
+14
Feels like
+18
726 mmHg
61%
6.4
m/s
S
15 September, Sunday. day, 21°; night, 14°; clear
16
+22
+15
16 September, mon
+22
+15
Feels like
+20
724 mmHg
56%
6.4
m/s
S
16 September, Monday. day, 22°; night, 15°; clear
17
+22
+16
17 September, tue
+22
+16
Feels like
+19
724 mmHg
57%
5.8
m/s
E
17 September, Tuesday. day, 22°; night, 16°; partly cloudy
18
+23
+16
18 September, wed
+23
+16
Feels like
+20
723 mmHg
52%
7.1
m/s
S
18 September, Wednesday. day, 23°; night, 16°; partly cloudy
19
+24
+17
19 September, thu
+24
+17
Feels like
+20
722 mmHg
47%
9.1
m/s
SW
19 September, Thursday. day, 24°; night, 17°; clear
20
+22
+16
20 September, fri
+22
+16
Feels like
+18
723 mmHg
50%
7.9
m/s
W
20 September, Friday. day, 22°; night, 16°; rain
21
+23
+17
21 September, sat
+23
+17
Feels like
+20
723 mmHg
57%
7.5
m/s
SE
21 September, Saturday. day, 23°; night, 17°; partly cloudy
22
+21
+17
22 September, sun
+21
+17
Feels like
+18
724 mmHg
67%
7
m/s
SE
22 September, Sunday. day, 21°; night, 17°; clear
23
+21
+16
23 September, mon
+21
+16
Feels like
+18
725 mmHg
64%
7.5
m/s
SE
23 September, Monday. day, 21°; night, 16°; clear
24
+21
+15
24 September, tue
+21
+15
Feels like
+19
725 mmHg
62%
6.3
m/s
SE
24 September, Tuesday. day, 21°; night, 15°; partly cloudy
25
+22
+16
25 September, wed
+22
+16
Feels like
+19
724 mmHg
57%
6.5
m/s
S
25 September, Wednesday. day, 22°; night, 16°; clear
26
+23
+16
26 September, thu
+23
+16
Feels like
+19
723 mmHg
47%
8.1
m/s
SW
26 September, Thursday. day, 23°; night, 16°; clear
27
+21
+17
27 September, fri
+21
+17
Feels like
+17
724 mmHg
46%
7.4
m/s
NW
27 September, Friday. day, 21°; night, 17°; clear
28
+20
+15
28 September, sat
+20
+15
Feels like
+16
726 mmHg
50%
7.5
m/s
NE
28 September, Saturday. day, 20°; night, 15°; clear
29
+20
+13
29 September, sun
+20
+13
Feels like
+15
726 mmHg
47%
7.8
m/s
SE
29 September, Sunday. day, 20°; night, 13°; partly cloudy
30
+20
+15
30 September, mon
+20
+15
Feels like
+17
724 mmHg
50%
7.3
m/s
S
30 September, Monday. day, 20°; night, 15°; clear
1
+17
+13
1 October, tue
+17
+13
Feels like
+13
725 mmHg
61%
7.9
m/s
NE
1 October, Tuesday. day, 17°; night, 13°; partly cloudy
2
+16
+12
2 October, wed
+16
+12
Feels like
+12
725 mmHg
55%
7
m/s
NE
2 October, Wednesday. day, 16°; night, 12°; clear
3
+18
+11
3 October, thu
+18
+11
Feels like
+13
725 mmHg
52%
7.4
m/s
SE
3 October, Thursday. day, 18°; night, 11°; partly cloudy
4
+15
+12
4 October, fri
+15
+12
Feels like
+10
723 mmHg
62%
8.3
m/s
S
4 October, Friday. day, 15°; night, 12°; clear
5
+16
+12
5 October, sat
+16
+12
Feels like
+11
722 mmHg
62%
8.6
m/s
NW
5 October, Saturday. day, 16°; night, 12°; partly cloudy
Average data for 10 years
Sioux Falls September
17
sunny days
3
days with precipitation
10
cloudy days
17 sunny days; 3 days with precipitation; 10 cloudy days;
54
%
air humidity
5.5
m/s
Wind
S
47
mm of precipitation
(8% of annual average)
air humidity 54%; 47 millimeters of precipitation (8% of annual average); Wind southerly 5.5 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
S
S
S
SE
S
S
E
SE
SE
SW
SW
SE
S
E
S
S
E
S
SW
W
SE
SE
SE
SE
S
SW
NW
NE
SE
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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