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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, Sunday. day, 24°; night, 18°; clear
2
+23
+18
2 September, Monday. day, 23°; night, 18°; partly cloudy
3
+24
+17
3 September, Tuesday. day, 24°; night, 17°; partly cloudy
4
+21
+18
4 September, Wednesday. day, 21°; night, 18°; clear
5
+22
+16
5 September, Thursday. day, 22°; night, 16°; partly cloudy
6
+23
+17
6 September, Friday. day, 23°; night, 17°; rain
7
+21
+17
7 September, Saturday. day, 21°; night, 17°; rain
8
+22
+16
8 September, Sunday. day, 22°; night, 16°; clear
9
+20
+15
9 September, Monday. day, 20°; night, 15°; partly cloudy
10
+21
+15
10 September, Tuesday. day, 21°; night, 15°; rain
11
+20
+15
11 September, Wednesday. day, 20°; night, 15°; clear
12
+20
+14
12 September, Thursday. day, 20°; night, 14°; clear
13
+19
+13
13 September, Friday. day, 19°; night, 13°; partly cloudy
14
+19
+15
14 September, Saturday. day, 19°; night, 15°; clear
15
+17
+14
15 September, Sunday. day, 17°; night, 14°; rain
16
+18
+11
16 September, Monday. day, 18°; night, 11°; clear
17
+20
+13
17 September, Tuesday. day, 20°; night, 13°; partly cloudy
18
+19
+13
18 September, Wednesday. day, 19°; night, 13°; partly cloudy
19
+19
+13
19 September, Thursday. day, 19°; night, 13°; clear
20
+21
+14
20 September, Friday. day, 21°; night, 14°; partly cloudy
21
+19
+16
21 September, Saturday. day, 19°; night, 16°; clear
22
+18
+13
22 September, Sunday. day, 18°; night, 13°; clear
23
+19
+13
23 September, Monday. day, 19°; night, 13°; clear
24
+18
+14
24 September, Tuesday. day, 18°; night, 14°; clear
25
+19
+14
25 September, Wednesday. day, 19°; night, 14°; clear
26
+20
+14
26 September, Thursday. day, 20°; night, 14°; rain
27
+19
+14
27 September, Friday. day, 19°; night, 14°; rain
28
+18
+14
28 September, Saturday. day, 18°; night, 14°; clear
29
+15
+11
29 September, Sunday. day, 15°; night, 11°; overcast
30
+14
+10
30 September, Monday. day, 14°; night, 10°; clear
1
+15
+10
1 October, Tuesday. day, 15°; night, 10°; clear
2
+15
+10
2 October, Wednesday. day, 15°; night, 10°; partly cloudy
3
+15
+11
3 October, Thursday. day, 15°; night, 11°; overcast
4
+15
+11
4 October, Friday. day, 15°; night, 11°; partly cloudy
5
+15
+11
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
Hartford
Colchester
Brooklyn
Portland
Anjou
Lake George
Queensbury
Cities with similar weather in September
Toronto
Vancouver
Boston
Seattle
Balkhash
Bruges
San Sebastian
Rijeka
Brest