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September weather forecast in Montreal
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
+24
+18
1 September, sun
+24
+18
Feels like
+24
760 mmHg
69%
4.6
m/s
W
1 September, Sunday. day, 24°; night, 18°; clear
2
+23
+18
2 September, mon
+23
+18
Feels like
+23
759 mmHg
68%
5.5
m/s
SW
2 September, Monday. day, 23°; night, 18°; partly cloudy
3
+24
+17
3 September, tue
+24
+17
Feels like
+23
759 mmHg
64%
5.5
m/s
SW
3 September, Tuesday. day, 24°; night, 17°; partly cloudy
4
+21
+18
4 September, wed
+21
+18
Feels like
+21
760 mmHg
68%
5.5
m/s
SW
4 September, Wednesday. day, 21°; night, 18°; clear
5
+22
+16
5 September, thu
+22
+16
Feels like
+22
762 mmHg
67%
6
m/s
SW
5 September, Thursday. day, 22°; night, 16°; partly cloudy
6
+23
+17
6 September, fri
+23
+17
Feels like
+23
760 mmHg
73%
5.3
m/s
SW
6 September, Friday. day, 23°; night, 17°; rain
7
+21
+17
7 September, sat
+21
+17
Feels like
+21
760 mmHg
68%
4.9
m/s
SW
7 September, Saturday. day, 21°; night, 17°; rain
8
+22
+16
8 September, sun
+22
+16
Feels like
+21
759 mmHg
70%
6
m/s
SW
8 September, Sunday. day, 22°; night, 16°; clear
9
+20
+15
9 September, mon
+20
+15
Feels like
+18
761 mmHg
69%
4.8
m/s
W
9 September, Monday. day, 20°; night, 15°; partly cloudy
10
+21
+15
10 September, tue
+21
+15
Feels like
+20
761 mmHg
64%
5.3
m/s
W
10 September, Tuesday. day, 21°; night, 15°; rain
11
+20
+15
11 September, wed
+20
+15
Feels like
+18
761 mmHg
68%
6
m/s
SW
11 September, Wednesday. day, 20°; night, 15°; clear
12
+20
+14
12 September, thu
+20
+14
Feels like
+19
759 mmHg
75%
5.5
m/s
SW
12 September, Thursday. day, 20°; night, 14°; clear
13
+19
+13
13 September, fri
+19
+13
Feels like
+18
760 mmHg
70%
5.1
m/s
W
13 September, Friday. day, 19°; night, 13°; partly cloudy
14
+19
+15
14 September, sat
+19
+15
Feels like
+17
761 mmHg
69%
6
m/s
W
14 September, Saturday. day, 19°; night, 15°; clear
15
+17
+14
15 September, sun
+17
+14
Feels like
+14
764 mmHg
67%
6.3
m/s
NW
15 September, Sunday. day, 17°; night, 14°; rain
16
+18
+11
16 September, mon
+18
+11
Feels like
+17
765 mmHg
63%
4.3
m/s
W
16 September, Monday. day, 18°; night, 11°; clear
17
+20
+13
17 September, tue
+20
+13
Feels like
+18
763 mmHg
63%
5
m/s
SW
17 September, Tuesday. day, 20°; night, 13°; partly cloudy
18
+19
+13
18 September, wed
+19
+13
Feels like
+17
762 mmHg
64%
5.6
m/s
S
18 September, Wednesday. day, 19°; night, 13°; partly cloudy
19
+19
+13
19 September, thu
+19
+13
Feels like
+17
763 mmHg
66%
6.4
m/s
SW
19 September, Thursday. day, 19°; night, 13°; clear
20
+21
+14
20 September, fri
+21
+14
Feels like
+19
762 mmHg
63%
5.8
m/s
S
20 September, Friday. day, 21°; night, 14°; partly cloudy
21
+19
+16
21 September, sat
+19
+16
Feels like
+17
762 mmHg
68%
6.1
m/s
SW
21 September, Saturday. day, 19°; night, 16°; clear
22
+18
+13
22 September, sun
+18
+13
Feels like
+17
764 mmHg
72%
5.5
m/s
W
22 September, Sunday. day, 18°; night, 13°; clear
23
+19
+13
23 September, mon
+19
+13
Feels like
+17
764 mmHg
69%
5.4
m/s
NW
23 September, Monday. day, 19°; night, 13°; clear
24
+18
+14
24 September, tue
+18
+14
Feels like
+16
765 mmHg
64%
4.9
m/s
W
24 September, Tuesday. day, 18°; night, 14°; clear
25
+19
+14
25 September, wed
+19
+14
Feels like
+18
765 mmHg
62%
4.8
m/s
S
25 September, Wednesday. day, 19°; night, 14°; clear
26
+20
+14
26 September, thu
+20
+14
Feels like
+19
762 mmHg
70%
4.9
m/s
S
26 September, Thursday. day, 20°; night, 14°; rain
27
+19
+14
27 September, fri
+19
+14
Feels like
+18
760 mmHg
73%
5.4
m/s
S
27 September, Friday. day, 19°; night, 14°; rain
28
+18
+14
28 September, sat
+18
+14
Feels like
+16
759 mmHg
76%
5.6
m/s
SE
28 September, Saturday. day, 18°; night, 14°; clear
29
+15
+11
29 September, sun
+15
+11
Feels like
+12
761 mmHg
75%
6
m/s
N
29 September, Sunday. day, 15°; night, 11°; overcast
30
+14
+10
30 September, mon
+14
+10
Feels like
+11
762 mmHg
72%
5.5
m/s
N
30 September, Monday. day, 14°; night, 10°; clear
1
+15
+10
1 October, tue
+15
+10
Feels like
+12
762 mmHg
70%
6
m/s
N
1 October, Tuesday. day, 15°; night, 10°; clear
2
+15
+10
2 October, wed
+15
+10
Feels like
+13
763 mmHg
74%
5.3
m/s
E
2 October, Wednesday. day, 15°; night, 10°; partly cloudy
3
+15
+11
3 October, thu
+15
+11
Feels like
+12
762 mmHg
75%
6.1
m/s
NE
3 October, Thursday. day, 15°; night, 11°; overcast
4
+15
+11
4 October, fri
+15
+11
Feels like
+12
763 mmHg
68%
5.6
m/s
NW
4 October, Friday. day, 15°; night, 11°; partly cloudy
5
+15
+11
5 October, sat
+15
+11
Feels like
+12
763 mmHg
70%
5.5
m/s
W
5 October, Saturday. day, 15°; night, 11°; rain
Average data for 10 years
Montreal September
15
sunny days
6
days with precipitation
9
cloudy days
15 sunny days; 6 days with precipitation; 9 cloudy days;
68
%
air humidity
3.7
m/s
Wind
SW
81
mm of precipitation
(8% of annual average)
air humidity 68%; 81 millimeters of precipitation (8% of annual average); Wind south-westerly 3.7 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
W
SW
SW
SW
SW
SW
SW
SW
W
W
SW
SW
W
W
NW
W
SW
S
SW
S
SW
W
NW
W
S
S
S
SE
N
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
Ottawa
Quebec
Anjou
Brooklyn
Portland
Old Orchard Beach
Gatineau
Concord
Syracuse
Cities with similar weather in September
Toronto
Vancouver
Boston
Seattle
Balkhash
Bruges
San Sebastian
Rijeka
Brest
