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Monthly weather forecast in Helena
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
September
+33
+14
1 September, sun
+33
+14
Feels like
+24
662 mmHg
40%
3.4
m/s
E
Climate normal
+21
+14
1 September, Sunday. day, 33°; night, 14°; mostly clear
2
+33
+16
2 September, mon
+33
+16
Feels like
+22
660 mmHg
36%
4.9
m/s
SW
Climate normal
+19
+12
2 September, Monday. day, 33°; night, 16°; light rain
3
+26
+14
3 September, tue
+26
+14
Feels like
+18
659 mmHg
51%
5.4
m/s
W
Climate normal
+19
+12
3 September, Tuesday. day, 26°; night, 14°; thunderstorm with rain
4
+27
+13
4 September, wed
+27
+13
Feels like
+21
665 mmHg
53%
2.8
m/s
N
Climate normal
+16
+11
4 September, Wednesday. day, 27°; night, 13°; mostly clear
5
+28
+13
5 September, thu
+28
+13
Feels like
+19
666 mmHg
48%
2.8
m/s
NE
Climate normal
+19
+12
5 September, Thursday. day, 28°; night, 13°; clear
6
+30
+14
6 September, fri
+30
+14
Feels like
+19
662 mmHg
42%
3.2
m/s
NW
Climate normal
+18
+11
6 September, Friday. day, 30°; night, 14°; mostly clear
7
+31
+14
7 September, sat
+31
+14
Feels like
+20
660 mmHg
37%
3.6
m/s
NW
Climate normal
+18
+11
7 September, Saturday. day, 31°; night, 14°; clear
8
+30
+14
8 September, sun
+30
+14
Feels like
+20
659 mmHg
36%
3.5
m/s
SW
Climate normal
+18
+12
8 September, Sunday. day, 30°; night, 14°; mostly clear
9
+29
+14
9 September, mon
+29
+14
Feels like
+18
659 mmHg
36%
3.8
m/s
W
Climate normal
+19
+11
9 September, Monday. day, 29°; night, 14°; partly cloudy
10
+26
+13
10 September, tue
+26
+13
Feels like
+18
655 mmHg
40%
3.8
m/s
NW
Climate normal
+18
+11
10 September, Tuesday. day, 26°; night, 13°; mostly clear
11
+25
+12
11 September, wed
+25
+12
Feels like
+16
657 mmHg
51%
3.9
m/s
NW
Climate normal
+20
+11
11 September, Wednesday. day, 25°; night, 12°; mostly clear
12
+25
+14
12 September, thu
+25
+14
Feels like
+16
657 mmHg
49%
4.2
m/s
W
Climate normal
+17
+10
12 September, Thursday. day, 25°; night, 14°; mostly clear
13
+16
+7
13 September, fri
+16
+7
Feels like
+6
605 mmHg
51%
2.3
m/s
W
Climate normal
+16
+9
13 September, Friday. day, 16°; night, 7°; clear
14
+20
+9
14 September, sat
+20
+9
Feels like
+9
604 mmHg
33%
3.5
m/s
SW
Climate normal
+18
+12
14 September, Saturday. day, 20°; night, 9°; clear
15
+22
+15
15 September, sun
+22
+15
Feels like
+10
602 mmHg
34%
5.2
m/s
S
Climate normal
+18
+11
15 September, Sunday. day, 22°; night, 15°; clear
16
+16
+7
16 September, mon
+16
+7
Feels like
+9
598 mmHg
34%
4.6
m/s
W
Climate normal
+17
+10
16 September, Monday. day, 16°; night, 7°; mostly clear
17
+8
+5
17 September, tue
+8
+5
Feels like
+2
596 mmHg
79%
3.4
m/s
N
Climate normal
+17
+10
17 September, Tuesday. day, 8°; night, 5°; rain
18
+13
+5
18 September, wed
+13
+5
Feels like
+3
596 mmHg
63%
4.3
m/s
NE
Climate normal
+17
+10
18 September, Wednesday. day, 13°; night, 5°; partly cloudy
19
+9
+4
19 September, thu
+9
+4
Feels like
+3
595 mmHg
75%
5.4
m/s
SW
Climate normal
+17
+10
19 September, Thursday. day, 9°; night, 4°; rain
20
+8
+4
20 September, fri
+8
+4
Feels like
+2
600 mmHg
67%
3.3
m/s
SW
Climate normal
+17
+10
20 September, Friday. day, 8°; night, 4°; partly cloudy
21
+13
+6
21 September, sat
+13
+6
Feels like
+3
599 mmHg
46%
4.3
m/s
S
Climate normal
+15
+10
21 September, Saturday. day, 13°; night, 6°; mostly clear
22
+13
+6
22 September, sun
+13
+6
Feels like
+5
597 mmHg
56%
4.9
m/s
SW
Climate normal
+17
+11
22 September, Sunday. day, 13°; night, 6°; light rain
23
+8
+3
23 September, mon
+8
+3
Feels like
+2
599 mmHg
69%
3.4
m/s
W
Climate normal
+17
+11
23 September, Monday. day, 8°; night, 3°; light rain
24
+8
0
24 September, tue
+8
0
Feels like
0
602 mmHg
65%
4.4
m/s
W
Climate normal
+19
+11
24 September, Tuesday. day, 8°; night, 0°; light rain
25
+17
+7
25 September, wed
+17
+7
Feels like
+6
605 mmHg
48%
2.7
m/s
SW
Climate normal
+17
+10
25 September, Wednesday. day, 17°; night, 7°; clear
26
+19
+9
26 September, thu
+19
+9
Feels like
+9
605 mmHg
46%
3.5
m/s
SW
Climate normal
+16
+10
26 September, Thursday. day, 19°; night, 9°; clear
27
+20
+12
27 September, fri
+20
+12
Feels like
+10
603 mmHg
43%
4.7
m/s
S
Climate normal
+17
+11
27 September, Friday. day, 20°; night, 12°; clear
28
+18
+14
28 September, sat
+18
+14
Feels like
+10
597 mmHg
41%
6.7
m/s
S
Climate normal
+18
+11
28 September, Saturday. day, 18°; night, 14°; partly cloudy
29
+12
+6
29 September, sun
+12
+6
Feels like
+6
593 mmHg
59%
5.2
m/s
SW
Climate normal
+15
+9
29 September, Sunday. day, 12°; night, 6°; light rain
30
+6
−3
30 September, mon
+6
−3
Feels like
0
598 mmHg
71%
2.4
m/s
W
Climate normal
+14
+8
30 September, Monday. day, 6°; night, -3°; light rain
Average data for 10 years
Next, the average data for 10 years
1 October
+13
+8
1 October, tue
+13
+8
Feels like
+10
667 mmHg
56%
4.5
m/s
W
1 October, Tuesday. day, 13°; night, 8°; clear
2
+12
+6
2 October, wed
+12
+6
Feels like
+8
667 mmHg
56%
5.6
m/s
N
2 October, Wednesday. day, 12°; night, 6°; partly cloudy
3
+9
+4
3 October, thu
+9
+4
Feels like
+5
667 mmHg
69%
5
m/s
N
3 October, Thursday. day, 9°; night, 4°; rain
4
+9
+3
4 October, fri
+9
+3
Feels like
+5
667 mmHg
73%
4.9
m/s
W
4 October, Friday. day, 9°; night, 3°; partly cloudy
5
+11
+5
5 October, sat
+11
+5
Feels like
+7
666 mmHg
62%
6
m/s
W
5 October, Saturday. day, 11°; night, 5°; partly cloudy
Average for 30 days
17
sunny days
9
days with precipitation
4
cloudy days
17 sunny days; 9 days with precipitation; 4 cloudy days;
50
%
air humidity
4
m/s
Wind
SW
7
mm of precipitation
(2% of annual average)
air humidity 50%; 7 millimeters of precipitation (2% of annual average); Wind south-westerly 4 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
E
SW
W
N
NE
NW
NW
SW
W
NW
NW
W
W
SW
S
W
N
NE
SW
SW
S
SW
W
W
SW
SW
S
S
SW
W
1
September
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
