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September weather forecast in Missoula
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
+21
+13
1 September, sun
+21
+13
Feels like
+18
653 mmHg
40%
5.1
m/s
W
1 September, Sunday. day, 21°; night, 13°; clear
2
+19
+13
2 September, mon
+19
+13
Feels like
+16
655 mmHg
44%
4
m/s
W
2 September, Monday. day, 19°; night, 13°; partly cloudy
3
+20
+13
3 September, tue
+20
+13
Feels like
+18
655 mmHg
43%
3.4
m/s
SW
3 September, Tuesday. day, 20°; night, 13°; clear
4
+18
+13
4 September, wed
+18
+13
Feels like
+15
654 mmHg
46%
4
m/s
SW
4 September, Wednesday. day, 18°; night, 13°; clear
5
+19
+12
5 September, thu
+19
+12
Feels like
+16
655 mmHg
44%
4
m/s
W
5 September, Thursday. day, 19°; night, 12°; clear
6
+19
+12
6 September, fri
+19
+12
Feels like
+16
654 mmHg
47%
4
m/s
W
6 September, Friday. day, 19°; night, 12°; clear
7
+18
+13
7 September, sat
+18
+13
Feels like
+16
654 mmHg
47%
3.9
m/s
W
7 September, Saturday. day, 18°; night, 13°; clear
8
+19
+13
8 September, sun
+19
+13
Feels like
+16
654 mmHg
47%
4.5
m/s
W
8 September, Sunday. day, 19°; night, 13°; partly cloudy
9
+19
+12
9 September, mon
+19
+12
Feels like
+16
655 mmHg
43%
4.1
m/s
W
9 September, Monday. day, 19°; night, 12°; clear
10
+20
+13
10 September, tue
+20
+13
Feels like
+16
656 mmHg
38%
4.8
m/s
W
10 September, Tuesday. day, 20°; night, 13°; clear
11
+21
+13
11 September, wed
+21
+13
Feels like
+18
655 mmHg
34%
4
m/s
W
11 September, Wednesday. day, 21°; night, 13°; clear
12
+20
+11
12 September, thu
+20
+11
Feels like
+17
653 mmHg
38%
4
m/s
W
12 September, Thursday. day, 20°; night, 11°; clear
13
+18
+12
13 September, fri
+18
+12
Feels like
+16
654 mmHg
46%
3.5
m/s
SE
13 September, Friday. day, 18°; night, 12°; rain
14
+20
+13
14 September, sat
+20
+13
Feels like
+17
654 mmHg
46%
3.9
m/s
SW
14 September, Saturday. day, 20°; night, 13°; partly cloudy
15
+18
+14
15 September, sun
+18
+14
Feels like
+16
654 mmHg
50%
3.5
m/s
SW
15 September, Sunday. day, 18°; night, 14°; clear
16
+18
+11
16 September, mon
+18
+11
Feels like
+16
653 mmHg
49%
3.7
m/s
SW
16 September, Monday. day, 18°; night, 11°; rain
17
+17
+12
17 September, tue
+17
+12
Feels like
+14
653 mmHg
54%
4.4
m/s
W
17 September, Tuesday. day, 17°; night, 12°; partly cloudy
18
+17
+11
18 September, wed
+17
+11
Feels like
+14
652 mmHg
54%
5
m/s
W
18 September, Wednesday. day, 17°; night, 11°; clear
19
+17
+11
19 September, thu
+17
+11
Feels like
+14
653 mmHg
50%
4.5
m/s
SW
19 September, Thursday. day, 17°; night, 11°; clear
20
+17
+11
20 September, fri
+17
+11
Feels like
+14
653 mmHg
46%
3.7
m/s
W
20 September, Friday. day, 17°; night, 11°; clear
21
+16
+11
21 September, sat
+16
+11
Feels like
+14
653 mmHg
54%
4.5
m/s
SW
21 September, Saturday. day, 16°; night, 11°; partly cloudy
22
+17
+12
22 September, sun
+17
+12
Feels like
+15
654 mmHg
52%
4
m/s
W
22 September, Sunday. day, 17°; night, 12°; partly cloudy
23
+18
+13
23 September, mon
+18
+13
Feels like
+16
654 mmHg
49%
3.2
m/s
SW
23 September, Monday. day, 18°; night, 13°; clear
24
+19
+12
24 September, tue
+19
+12
Feels like
+17
653 mmHg
47%
4
m/s
W
24 September, Tuesday. day, 19°; night, 12°; partly cloudy
25
+17
+11
25 September, wed
+17
+11
Feels like
+14
654 mmHg
50%
4.6
m/s
W
25 September, Wednesday. day, 17°; night, 11°; partly cloudy
26
+17
+11
26 September, thu
+17
+11
Feels like
+14
656 mmHg
50%
4.3
m/s
SW
26 September, Thursday. day, 17°; night, 11°; clear
27
+18
+12
27 September, fri
+18
+12
Feels like
+15
654 mmHg
44%
4.1
m/s
SW
27 September, Friday. day, 18°; night, 12°; partly cloudy
28
+18
+11
28 September, sat
+18
+11
Feels like
+15
653 mmHg
46%
3.9
m/s
SW
28 September, Saturday. day, 18°; night, 11°; partly cloudy
29
+16
+10
29 September, sun
+16
+10
Feels like
+13
653 mmHg
51%
4.3
m/s
SW
29 September, Sunday. day, 16°; night, 10°; partly cloudy
30
+15
+9
30 September, mon
+15
+9
Feels like
+12
655 mmHg
55%
4.1
m/s
SW
30 September, Monday. day, 15°; night, 9°; clear
1
+15
+9
1 October, tue
+15
+9
Feels like
+12
654 mmHg
51%
4.1
m/s
W
1 October, Tuesday. day, 15°; night, 9°; clear
2
+14
+7
2 October, wed
+14
+7
Feels like
+10
653 mmHg
52%
4.5
m/s
NE
2 October, Wednesday. day, 14°; night, 7°; clear
3
+10
+5
3 October, thu
+10
+5
Feels like
+7
653 mmHg
62%
4
m/s
E
3 October, Thursday. day, 10°; night, 5°; clear
4
+11
+5
4 October, fri
+11
+5
Feels like
+8
653 mmHg
62%
4
m/s
W
4 October, Friday. day, 11°; night, 5°; rain
5
+12
+6
5 October, sat
+12
+6
Feels like
+9
653 mmHg
60%
4.5
m/s
W
5 October, Saturday. day, 12°; night, 6°; clear
Average data for 10 years
Missoula September
17
sunny days
2
days with precipitation
11
cloudy days
17 sunny days; 2 days with precipitation; 11 cloudy days;
46
%
air humidity
2.9
m/s
Wind
W
22
mm of precipitation
(4% of annual average)
air humidity 46%; 22 millimeters of precipitation (4% of annual average); Wind westerly 2.9 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
SW
SW
W
W
W
W
W
W
W
W
SE
SW
SW
SW
W
W
SW
W
SW
W
SW
W
W
SW
SW
SW
SW
SW
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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