10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
September weather forecast in Riverton
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
+27
+19
1 September, sun
+27
+19
Feels like
+24
637 mmHg
31%
6
m/s
W
1 September, Sunday. day, 27°; night, 19°; clear
2
+27
+20
2 September, mon
+27
+20
Feels like
+24
638 mmHg
27%
5.3
m/s
W
2 September, Monday. day, 27°; night, 20°; clear
3
+26
+19
3 September, tue
+26
+19
Feels like
+23
637 mmHg
27%
5.4
m/s
NW
3 September, Tuesday. day, 26°; night, 19°; clear
4
+26
+17
4 September, wed
+26
+17
Feels like
+22
636 mmHg
28%
6.5
m/s
NW
4 September, Wednesday. day, 26°; night, 17°; clear
5
+24
+17
5 September, thu
+24
+17
Feels like
+21
638 mmHg
33%
5.1
m/s
NW
5 September, Thursday. day, 24°; night, 17°; clear
6
+25
+18
6 September, fri
+25
+18
Feels like
+22
637 mmHg
25%
6
m/s
NW
6 September, Friday. day, 25°; night, 18°; clear
7
+24
+17
7 September, sat
+24
+17
Feels like
+21
637 mmHg
31%
5.1
m/s
NW
7 September, Saturday. day, 24°; night, 17°; clear
8
+25
+18
8 September, sun
+25
+18
Feels like
+21
637 mmHg
31%
5.5
m/s
W
8 September, Sunday. day, 25°; night, 18°; clear
9
+24
+16
9 September, mon
+24
+16
Feels like
+20
638 mmHg
30%
6.5
m/s
NW
9 September, Monday. day, 24°; night, 16°; clear
10
+22
+15
10 September, tue
+22
+15
Feels like
+20
639 mmHg
40%
5.5
m/s
NW
10 September, Tuesday. day, 22°; night, 15°; clear
11
+23
+16
11 September, wed
+23
+16
Feels like
+20
639 mmHg
34%
5.1
m/s
NW
11 September, Wednesday. day, 23°; night, 16°; clear
12
+22
+16
12 September, thu
+22
+16
Feels like
+19
637 mmHg
34%
5.5
m/s
NW
12 September, Thursday. day, 22°; night, 16°; clear
13
+22
+15
13 September, fri
+22
+15
Feels like
+19
637 mmHg
36%
6.5
m/s
N
13 September, Friday. day, 22°; night, 15°; clear
14
+21
+15
14 September, sat
+21
+15
Feels like
+18
638 mmHg
43%
4.9
m/s
NW
14 September, Saturday. day, 21°; night, 15°; partly cloudy
15
+24
+17
15 September, sun
+24
+17
Feels like
+20
638 mmHg
34%
5
m/s
W
15 September, Sunday. day, 24°; night, 17°; clear
16
+24
+16
16 September, mon
+24
+16
Feels like
+20
637 mmHg
28%
5.3
m/s
W
16 September, Monday. day, 24°; night, 16°; clear
17
+24
+18
17 September, tue
+24
+18
Feels like
+21
637 mmHg
31%
5
m/s
W
17 September, Tuesday. day, 24°; night, 18°; clear
18
+24
+17
18 September, wed
+24
+17
Feels like
+20
636 mmHg
25%
6.8
m/s
W
18 September, Wednesday. day, 24°; night, 17°; clear
19
+23
+16
19 September, thu
+23
+16
Feels like
+19
637 mmHg
27%
5.5
m/s
NW
19 September, Thursday. day, 23°; night, 16°; clear
20
+23
+16
20 September, fri
+23
+16
Feels like
+20
637 mmHg
28%
5.3
m/s
NW
20 September, Friday. day, 23°; night, 16°; clear
21
+22
+16
21 September, sat
+22
+16
Feels like
+18
636 mmHg
31%
4.8
m/s
NW
21 September, Saturday. day, 22°; night, 16°; clear
22
+21
+15
22 September, sun
+21
+15
Feels like
+18
637 mmHg
38%
4.6
m/s
NW
22 September, Sunday. day, 21°; night, 15°; clear
23
+22
+17
23 September, mon
+22
+17
Feels like
+19
638 mmHg
34%
4.1
m/s
W
23 September, Monday. day, 22°; night, 17°; clear
24
+23
+17
24 September, tue
+23
+17
Feels like
+20
637 mmHg
31%
4.4
m/s
W
24 September, Tuesday. day, 23°; night, 17°; clear
25
+23
+16
25 September, wed
+23
+16
Feels like
+20
637 mmHg
31%
5
m/s
W
25 September, Wednesday. day, 23°; night, 16°; rain
26
+20
+15
26 September, thu
+20
+15
Feels like
+17
638 mmHg
38%
3.7
m/s
N
26 September, Thursday. day, 20°; night, 15°; clear
27
+21
+15
27 September, fri
+21
+15
Feels like
+19
638 mmHg
37%
4
m/s
NW
27 September, Friday. day, 21°; night, 15°; clear
28
+22
+16
28 September, sat
+22
+16
Feels like
+19
638 mmHg
34%
4.5
m/s
S
28 September, Saturday. day, 22°; night, 16°; clear
29
+22
+15
29 September, sun
+22
+15
Feels like
+18
636 mmHg
34%
6.1
m/s
W
29 September, Sunday. day, 22°; night, 15°; clear
30
+20
+13
30 September, mon
+20
+13
Feels like
+16
638 mmHg
34%
5.1
m/s
N
30 September, Monday. day, 20°; night, 13°; clear
1
+18
+12
1 October, tue
+18
+12
Feels like
+15
637 mmHg
38%
5.3
m/s
NW
1 October, Tuesday. day, 18°; night, 12°; clear
2
+18
+12
2 October, wed
+18
+12
Feels like
+14
636 mmHg
40%
5.5
m/s
N
2 October, Wednesday. day, 18°; night, 12°; clear
3
+15
+9
3 October, thu
+15
+9
Feels like
+11
635 mmHg
50%
5.6
m/s
NW
3 October, Thursday. day, 15°; night, 9°; clear
4
+14
+9
4 October, fri
+14
+9
Feels like
+10
635 mmHg
51%
6
m/s
SW
4 October, Friday. day, 14°; night, 9°; clear
5
+14
+9
5 October, sat
+14
+9
Feels like
+11
636 mmHg
50%
5.5
m/s
W
5 October, Saturday. day, 14°; night, 9°; partly cloudy
Average data for 10 years
Riverton September
28
sunny days
1
day with precipitation
1
cloudy day
28 sunny days; 1 day with precipitation; 1 cloudy day;
33
%
air humidity
3.4
m/s
Wind
NW
13
mm of precipitation
(8% of annual average)
air humidity 33%; 13 millimeters of precipitation (8% of annual average); Wind north-westerly 3.4 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
NW
NW
NW
NW
NW
W
NW
NW
NW
NW
N
NW
W
W
W
W
NW
NW
NW
NW
W
W
W
N
NW
S
W
N
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
Bozeman
Big Sky
West Yellowstone
Billings
Jackson
Idaho Falls
Grand Junction
Carbondale
Lander
Cities with similar weather in September
Florence
Tivat
Verona
Chicago
Herceg Novi
Marseilles
Dubrovnik
Kotor
