10 day forecast
Monthly forecast
Weather map
City or area
Find
Sign up
Log in
Go to comparison
September weather forecast in Montana
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
+10
+7
1 September, sun
+10
+7
Feels like
+7
579 mmHg
79%
4.9
m/s
NW
1 September, Sunday. day, 10°; night, 7°; clear
2
+12
+8
2 September, mon
+12
+8
Feels like
+10
579 mmHg
72%
4.5
m/s
NW
2 September, Monday. day, 12°; night, 8°; partly cloudy
3
+12
+8
3 September, tue
+12
+8
Feels like
+9
578 mmHg
74%
5.4
m/s
W
3 September, Tuesday. day, 12°; night, 8°; rain
4
+11
+8
4 September, wed
+11
+8
Feels like
+8
579 mmHg
76%
4.8
m/s
NW
4 September, Wednesday. day, 11°; night, 8°; rain
5
+11
+7
5 September, thu
+11
+7
Feels like
+8
579 mmHg
74%
4.4
m/s
NW
5 September, Thursday. day, 11°; night, 7°; clear
6
+11
+8
6 September, fri
+11
+8
Feels like
+8
579 mmHg
74%
5.4
m/s
NW
6 September, Friday. day, 11°; night, 8°; partly cloudy
7
+11
+8
7 September, sat
+11
+8
Feels like
+8
579 mmHg
74%
4.9
m/s
SW
7 September, Saturday. day, 11°; night, 8°; partly cloudy
8
+11
+8
8 September, sun
+11
+8
Feels like
+8
578 mmHg
74%
3.9
m/s
NW
8 September, Sunday. day, 11°; night, 8°; partly cloudy
9
+11
+8
9 September, mon
+11
+8
Feels like
+8
578 mmHg
75%
4
m/s
NW
9 September, Monday. day, 11°; night, 8°; partly cloudy
10
+11
+8
10 September, tue
+11
+8
Feels like
+8
578 mmHg
75%
4.4
m/s
NW
10 September, Tuesday. day, 11°; night, 8°; rain
11
+9
+7
11 September, wed
+9
+7
Feels like
+6
578 mmHg
81%
4.5
m/s
NW
11 September, Wednesday. day, 9°; night, 7°; rain
12
+10
+7
12 September, thu
+10
+7
Feels like
+6
578 mmHg
81%
4.8
m/s
NW
12 September, Thursday. day, 10°; night, 7°; rain
13
+9
+6
13 September, fri
+9
+6
Feels like
+5
576 mmHg
81%
5.1
m/s
N
13 September, Friday. day, 9°; night, 6°; clear
14
+9
+5
14 September, sat
+9
+5
Feels like
+6
576 mmHg
69%
4.5
m/s
SE
14 September, Saturday. day, 9°; night, 5°; rain
15
+9
+6
15 September, sun
+9
+6
Feels like
+5
575 mmHg
77%
5.1
m/s
S
15 September, Sunday. day, 9°; night, 6°; rain
16
+7
+6
16 September, mon
+7
+6
Feels like
+4
575 mmHg
86%
5
m/s
SW
16 September, Monday. day, 7°; night, 6°; rain
17
+7
+5
17 September, tue
+7
+5
Feels like
+3
576 mmHg
81%
4.9
m/s
W
17 September, Tuesday. day, 7°; night, 5°; rain
18
+7
+4
18 September, wed
+7
+4
Feels like
+3
577 mmHg
79%
4.5
m/s
NW
18 September, Wednesday. day, 7°; night, 4°; clear
19
+8
+4
19 September, thu
+8
+4
Feels like
+5
578 mmHg
81%
4
m/s
N
19 September, Thursday. day, 8°; night, 4°; clear
20
+10
+5
20 September, fri
+10
+5
Feels like
+7
579 mmHg
66%
3.9
m/s
NE
20 September, Friday. day, 10°; night, 5°; rain
21
+10
+6
21 September, sat
+10
+6
Feels like
+6
579 mmHg
68%
4
m/s
N
21 September, Saturday. day, 10°; night, 6°; rain
22
+9
+5
22 September, sun
+9
+5
Feels like
+6
578 mmHg
69%
4
m/s
N
22 September, Sunday. day, 9°; night, 5°; rain
23
+9
+6
23 September, mon
+9
+6
Feels like
+5
577 mmHg
75%
4.1
m/s
W
23 September, Monday. day, 9°; night, 6°; clear
24
+8
+6
24 September, tue
+8
+6
Feels like
+4
577 mmHg
75%
4.8
m/s
N
24 September, Tuesday. day, 8°; night, 6°; clear
25
+8
+5
25 September, wed
+8
+5
Feels like
+5
578 mmHg
74%
4.5
m/s
N
25 September, Wednesday. day, 8°; night, 5°; partly cloudy
26
+8
+6
26 September, thu
+8
+6
Feels like
+5
579 mmHg
81%
4.3
m/s
NE
26 September, Thursday. day, 8°; night, 6°; rain
27
+9
+6
27 September, fri
+9
+6
Feels like
+6
580 mmHg
76%
3.7
m/s
NE
27 September, Friday. day, 9°; night, 6°; overcast
28
+10
+5
28 September, sat
+10
+5
Feels like
+7
580 mmHg
72%
3.7
m/s
SE
28 September, Saturday. day, 10°; night, 5°; rain
29
+9
+6
29 September, sun
+9
+6
Feels like
+6
579 mmHg
75%
3.7
m/s
SW
29 September, Sunday. day, 9°; night, 6°; clear
30
+9
+6
30 September, mon
+9
+6
Feels like
+6
578 mmHg
75%
4.3
m/s
W
30 September, Monday. day, 9°; night, 6°; overcast
1
+9
+5
1 October, tue
+9
+5
Feels like
+6
578 mmHg
75%
4.5
m/s
SW
1 October, Tuesday. day, 9°; night, 5°; partly cloudy
2
+8
+6
2 October, wed
+8
+6
Feels like
+5
578 mmHg
75%
4.3
m/s
SW
2 October, Wednesday. day, 8°; night, 6°; partly cloudy
3
+8
+5
3 October, thu
+8
+5
Feels like
+4
578 mmHg
68%
4.5
m/s
SW
3 October, Thursday. day, 8°; night, 5°; partly cloudy
4
+9
+5
4 October, fri
+9
+5
Feels like
+5
578 mmHg
68%
4.9
m/s
W
4 October, Friday. day, 9°; night, 5°; clear
5
+9
+5
5 October, sat
+9
+5
Feels like
+5
577 mmHg
72%
4.6
m/s
SW
5 October, Saturday. day, 9°; night, 5°; partly cloudy
Average data for 10 years
Montana September
8
sunny days
14
days with precipitation
8
cloudy days
8 sunny days; 14 days with precipitation; 8 cloudy days;
75
%
air humidity
3.2
m/s
Wind
NW
107
mm of precipitation
(7% of annual average)
air humidity 75%; 107 millimeters of precipitation (7% of annual average); Wind north-westerly 3.2 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
NW
NW
W
NW
NW
NW
SW
NW
NW
NW
NW
NW
N
SE
S
SW
W
NW
N
NE
N
N
W
N
N
NE
NE
SE
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
Milan
Nice
Marseilles
Zurich
Geneva
Frankfurt am Main
Bern
Genoa
Monaco
Cities with similar weather in September
Petropavlovsk
Cholpon-Ata
Reykyavik
Oslo
Santiago
Burabaj
Melbourne
Altay
Canberra
