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Monthly weather forecast in Ottawa
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
+23
+12
1 September, sun
+23
+12
Feels like
+17
750 mmHg
70%
6.6
m/s
NW
Climate normal
+23
+17
1 September, Sunday. day, 23°; night, 12°; rain
2
+17
+10
2 September, mon
+17
+10
Feels like
+10
759 mmHg
56%
5.7
m/s
NW
Climate normal
+22
+17
2 September, Monday. day, 17°; night, 10°; light rain
3
+22
+13
3 September, tue
+22
+13
Feels like
+15
763 mmHg
53%
4.5
m/s
W
Climate normal
+22
+16
3 September, Tuesday. day, 22°; night, 13°; mostly clear
4
+25
+12
4 September, wed
+25
+12
Feels like
+19
764 mmHg
67%
3.1
m/s
SW
Climate normal
+20
+17
4 September, Wednesday. day, 25°; night, 12°; clear
5
+25
+14
5 September, thu
+25
+14
Feels like
+19
762 mmHg
62%
4.1
m/s
S
Climate normal
+21
+15
5 September, Thursday. day, 25°; night, 14°; clear
6
+25
+17
6 September, fri
+25
+17
Feels like
+19
757 mmHg
65%
5.1
m/s
S
Climate normal
+21
+16
6 September, Friday. day, 25°; night, 17°; light rain
7
+18
+13
7 September, sat
+18
+13
Feels like
+15
754 mmHg
81%
4.7
m/s
NW
Climate normal
+20
+16
7 September, Saturday. day, 18°; night, 13°; heavy rain
8
+17
+12
8 September, sun
+17
+12
Feels like
+14
757 mmHg
86%
4.6
m/s
SE
Climate normal
+20
+15
8 September, Sunday. day, 17°; night, 12°; partly cloudy
9
+19
+13
9 September, mon
+19
+13
Feels like
+16
757 mmHg
85%
4.1
m/s
S
Climate normal
+19
+14
9 September, Monday. day, 19°; night, 13°; partly cloudy
10
+21
+15
10 September, tue
+21
+15
Feels like
+17
755 mmHg
84%
4.4
m/s
S
Climate normal
+20
+15
10 September, Tuesday. day, 21°; night, 15°; overcast
11
+22
+15
11 September, wed
+22
+15
Feels like
+18
754 mmHg
75%
3.1
m/s
SW
Climate normal
+18
+14
11 September, Wednesday. day, 22°; night, 15°; partly cloudy
12
+23
+14
12 September, thu
+23
+14
Feels like
+19
755 mmHg
68%
3.4
m/s
SW
Climate normal
+18
+14
12 September, Thursday. day, 23°; night, 14°; partly cloudy
13
+19
+15
13 September, fri
+19
+15
Feels like
+15
752 mmHg
86%
2.4
m/s
SE
Climate normal
+19
+12
13 September, Friday. day, 19°; night, 15°; partly cloudy
14
+20
+18
14 September, sat
+20
+18
Feels like
+16
749 mmHg
82%
5.2
m/s
SE
Climate normal
+18
+14
14 September, Saturday. day, 20°; night, 18°; light rain
15
+18
+16
15 September, sun
+18
+16
Feels like
+13
745 mmHg
89%
8.1
m/s
SE
Climate normal
+15
+13
15 September, Sunday. day, 18°; night, 16°; rain
16
+18
+11
16 September, mon
+18
+11
Feels like
+16
745 mmHg
92%
1.6
m/s
SW
Climate normal
+17
+10
16 September, Monday. day, 18°; night, 11°; light rain
17
+21
+17
17 September, tue
+21
+17
Feels like
+18
747 mmHg
88%
2.6
m/s
E
Climate normal
+18
+12
17 September, Tuesday. day, 21°; night, 17°; light rain
18
+17
+14
18 September, wed
+17
+14
Feels like
+14
752 mmHg
95%
7.5
m/s
E
Climate normal
+18
+12
18 September, Wednesday. day, 17°; night, 14°; rain
19
+18
+15
19 September, thu
+18
+15
Feels like
+14
755 mmHg
85%
4.9
m/s
E
Climate normal
+19
+12
19 September, Thursday. day, 18°; night, 15°; light rain
20
+20
+13
20 September, fri
+20
+13
Feels like
+16
755 mmHg
78%
3
m/s
E
Climate normal
+19
+14
20 September, Friday. day, 20°; night, 13°; partly cloudy
21
+21
+14
21 September, sat
+21
+14
Feels like
+15
753 mmHg
84%
2.6
m/s
NE
Climate normal
+18
+14
21 September, Saturday. day, 21°; night, 14°; partly cloudy
22
+22
+13
22 September, sun
+22
+13
Feels like
+17
753 mmHg
85%
1.7
m/s
NW
Climate normal
+18
+13
22 September, Sunday. day, 22°; night, 13°; partly cloudy
23
+23
+15
23 September, mon
+23
+15
Feels like
+17
753 mmHg
83%
1.6
m/s
E
Climate normal
+18
+12
23 September, Monday. day, 23°; night, 15°; clear
24
+23
+15
24 September, tue
+23
+15
Feels like
+17
752 mmHg
82%
2.1
m/s
S
Climate normal
+18
+13
24 September, Tuesday. day, 23°; night, 15°; clear
25
+22
+14
25 September, wed
+22
+14
Feels like
+16
749 mmHg
80%
2.8
m/s
S
Climate normal
+18
+13
25 September, Wednesday. day, 22°; night, 14°; clear
26
+22
+16
26 September, thu
+22
+16
Feels like
+16
744 mmHg
74%
3.9
m/s
E
Climate normal
+20
+14
26 September, Thursday. day, 22°; night, 16°; mostly clear
27
+19
+14
27 September, fri
+19
+14
Feels like
+13
743 mmHg
81%
5.9
m/s
NE
Climate normal
+18
+14
27 September, Friday. day, 19°; night, 14°; light rain
28
+13
+12
28 September, sat
+13
+12
Feels like
+9
745 mmHg
96%
6.9
m/s
NE
Climate normal
+17
+14
28 September, Saturday. day, 13°; night, 12°; rain
29
+11
+11
29 September, sun
+11
+11
Feels like
+6
746 mmHg
94%
7.2
m/s
NE
Climate normal
+14
+10
29 September, Sunday. day, 11°; night, 11°; rain
30
+13
+11
30 September, mon
+13
+11
Feels like
+8
749 mmHg
86%
5.8
m/s
NE
Climate normal
+14
+10
30 September, Monday. day, 13°; night, 11°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
1 October
+14
+10
1 October, tue
+14
+10
Feels like
+11
752 mmHg
70%
5.5
m/s
N
1 October, Tuesday. day, 14°; night, 10°; overcast
2
+14
+10
2 October, wed
+14
+10
Feels like
+12
753 mmHg
75%
4.9
m/s
E
2 October, Wednesday. day, 14°; night, 10°; overcast
3
+15
+11
3 October, thu
+15
+11
Feels like
+12
752 mmHg
77%
5.5
m/s
S
3 October, Thursday. day, 15°; night, 11°; overcast
4
+14
+11
4 October, fri
+14
+11
Feels like
+12
753 mmHg
68%
5
m/s
W
4 October, Friday. day, 14°; night, 11°; partly cloudy
5
+13
+10
5 October, sat
+13
+10
Feels like
+10
752 mmHg
75%
4.8
m/s
S
5 October, Saturday. day, 13°; night, 10°; rain
Average for 30 days
8
sunny days
12
days with precipitation
10
cloudy days
8 sunny days; 12 days with precipitation; 10 cloudy days;
80
%
air humidity
4.3
m/s
Wind
S
40
mm of precipitation
(4% of annual average)
air humidity 80%; 40 millimeters of precipitation (4% of annual average); Wind southerly 4.3 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
NW
NW
W
SW
S
S
NW
SE
S
S
SW
SW
SE
SE
SE
SW
E
E
E
E
NE
NW
E
S
S
E
NE
NE
NE
NE
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
