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September weather forecast in Spearfish
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
+17
1 September, sun
+25
+17
Feels like
+21
666 mmHg
44%
7.5
m/s
SW
1 September, Sunday. day, 25°; night, 17°; clear
2
+24
+16
2 September, mon
+24
+16
Feels like
+20
666 mmHg
40%
6.5
m/s
W
2 September, Monday. day, 24°; night, 16°; clear
3
+22
+16
3 September, tue
+22
+16
Feels like
+18
667 mmHg
41%
7
m/s
W
3 September, Tuesday. day, 22°; night, 16°; clear
4
+23
+16
4 September, wed
+23
+16
Feels like
+20
666 mmHg
43%
6
m/s
W
4 September, Wednesday. day, 23°; night, 16°; clear
5
+21
+15
5 September, thu
+21
+15
Feels like
+18
667 mmHg
46%
6.1
m/s
W
5 September, Thursday. day, 21°; night, 15°; clear
6
+21
+15
6 September, fri
+21
+15
Feels like
+18
667 mmHg
43%
6
m/s
N
6 September, Friday. day, 21°; night, 15°; clear
7
+21
+16
7 September, sat
+21
+16
Feels like
+17
667 mmHg
47%
5.6
m/s
SW
7 September, Saturday. day, 21°; night, 16°; rain
8
+21
+14
8 September, sun
+21
+14
Feels like
+18
666 mmHg
44%
5.9
m/s
SW
8 September, Sunday. day, 21°; night, 14°; rain
9
+20
+14
9 September, mon
+20
+14
Feels like
+17
667 mmHg
51%
6.6
m/s
W
9 September, Monday. day, 20°; night, 14°; partly cloudy
10
+20
+15
10 September, tue
+20
+15
Feels like
+17
668 mmHg
49%
6
m/s
W
10 September, Tuesday. day, 20°; night, 15°; clear
11
+20
+14
11 September, wed
+20
+14
Feels like
+17
668 mmHg
50%
5.9
m/s
W
11 September, Wednesday. day, 20°; night, 14°; partly cloudy
12
+19
+13
12 September, thu
+19
+13
Feels like
+15
666 mmHg
51%
6.4
m/s
S
12 September, Thursday. day, 19°; night, 13°; partly cloudy
13
+18
+12
13 September, fri
+18
+12
Feels like
+14
667 mmHg
57%
6
m/s
NW
13 September, Friday. day, 18°; night, 12°; clear
14
+18
+12
14 September, sat
+18
+12
Feels like
+14
667 mmHg
58%
7
m/s
SW
14 September, Saturday. day, 18°; night, 12°; partly cloudy
15
+20
+14
15 September, sun
+20
+14
Feels like
+17
667 mmHg
47%
5.8
m/s
SW
15 September, Sunday. day, 20°; night, 14°; clear
16
+20
+13
16 September, mon
+20
+13
Feels like
+17
666 mmHg
47%
6
m/s
S
16 September, Monday. day, 20°; night, 13°; partly cloudy
17
+20
+15
17 September, tue
+20
+15
Feels like
+17
666 mmHg
44%
6.9
m/s
SW
17 September, Tuesday. day, 20°; night, 15°; clear
18
+20
+14
18 September, wed
+20
+14
Feels like
+16
664 mmHg
41%
7.3
m/s
W
18 September, Wednesday. day, 20°; night, 14°; clear
19
+19
+13
19 September, thu
+19
+13
Feels like
+14
666 mmHg
38%
8.1
m/s
W
19 September, Thursday. day, 19°; night, 13°; rain
20
+19
+13
20 September, fri
+19
+13
Feels like
+15
666 mmHg
40%
7
m/s
W
20 September, Friday. day, 19°; night, 13°; clear
21
+19
+13
21 September, sat
+19
+13
Feels like
+15
665 mmHg
49%
6.8
m/s
SW
21 September, Saturday. day, 19°; night, 13°; clear
22
+17
+12
22 September, sun
+17
+12
Feels like
+14
666 mmHg
57%
5.8
m/s
NW
22 September, Sunday. day, 17°; night, 12°; partly cloudy
23
+19
+14
23 September, mon
+19
+14
Feels like
+15
667 mmHg
49%
6
m/s
S
23 September, Monday. day, 19°; night, 14°; clear
24
+19
+14
24 September, tue
+19
+14
Feels like
+16
666 mmHg
46%
6.1
m/s
S
24 September, Tuesday. day, 19°; night, 14°; partly cloudy
25
+22
+16
25 September, wed
+22
+16
Feels like
+18
665 mmHg
38%
6.1
m/s
W
25 September, Wednesday. day, 22°; night, 16°; clear
26
+18
+12
26 September, thu
+18
+12
Feels like
+14
667 mmHg
44%
6.3
m/s
NW
26 September, Thursday. day, 18°; night, 12°; partly cloudy
27
+18
+13
27 September, fri
+18
+13
Feels like
+14
668 mmHg
50%
6.3
m/s
SW
27 September, Friday. day, 18°; night, 13°; clear
28
+18
+13
28 September, sat
+18
+13
Feels like
+13
668 mmHg
50%
6.9
m/s
S
28 September, Saturday. day, 18°; night, 13°; clear
29
+20
+13
29 September, sun
+20
+13
Feels like
+16
665 mmHg
46%
7.4
m/s
SW
29 September, Sunday. day, 20°; night, 13°; clear
30
+17
+11
30 September, mon
+17
+11
Feels like
+12
666 mmHg
50%
6.8
m/s
W
30 September, Monday. day, 17°; night, 11°; clear
1
+15
+9
1 October, tue
+15
+9
Feels like
+10
667 mmHg
52%
7
m/s
SW
1 October, Tuesday. day, 15°; night, 9°; clear
2
+14
+9
2 October, wed
+14
+9
Feels like
+10
666 mmHg
52%
6.8
m/s
SW
2 October, Wednesday. day, 14°; night, 9°; clear
3
+13
+9
3 October, thu
+13
+9
Feels like
+9
665 mmHg
64%
7.3
m/s
SW
3 October, Thursday. day, 13°; night, 9°; rain
4
+11
+8
4 October, fri
+11
+8
Feels like
+6
665 mmHg
68%
8
m/s
W
4 October, Friday. day, 11°; night, 8°; clear
5
+12
+8
5 October, sat
+12
+8
Feels like
+8
665 mmHg
68%
6.9
m/s
W
5 October, Saturday. day, 12°; night, 8°; clear
Average data for 10 years
Spearfish September
19
sunny days
3
days with precipitation
8
cloudy days
19 sunny days; 3 days with precipitation; 8 cloudy days;
46
%
air humidity
4.5
m/s
Wind
SW
44
mm of precipitation
(7% of annual average)
air humidity 46%; 44 millimeters of precipitation (7% of annual average); Wind south-westerly 4.5 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
W
W
W
W
N
SW
SW
W
W
W
S
NW
SW
SW
S
SW
W
W
W
SW
NW
S
S
W
NW
SW
S
SW
W
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
Cities near you
Denver
Colorado Springs
Cheyenne
Littleton
Bismarck
Boulder
Billings
Dickinson
Aberdeen
Cities with similar weather in September
Vienna
Sofia
Bratislava
Strasbourg
Montreal
Rogaška Slatina
Minneapolis
Rijeka
Mannheim
