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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
+17
1 September, sun
+23
+17
Feels like
+23
751 mmHg
72%
4.3
m/s
W
1 September, Sunday. day, 23°; night, 17°; clear
2
+22
+17
2 September, mon
+22
+17
Feels like
+22
750 mmHg
67%
4.5
m/s
W
2 September, Monday. day, 22°; night, 17°; clear
3
+22
+16
3 September, tue
+22
+16
Feels like
+22
749 mmHg
67%
5.1
m/s
SW
3 September, Tuesday. day, 22°; night, 16°; partly cloudy
4
+20
+17
4 September, wed
+20
+17
Feels like
+19
751 mmHg
72%
5.1
m/s
W
4 September, Wednesday. day, 20°; night, 17°; clear
5
+21
+15
5 September, thu
+21
+15
Feels like
+21
752 mmHg
70%
5.3
m/s
SW
5 September, Thursday. day, 21°; night, 15°; partly cloudy
6
+21
+16
6 September, fri
+21
+16
Feels like
+20
750 mmHg
75%
4.8
m/s
SW
6 September, Friday. day, 21°; night, 16°; clear
7
September
+17
+8
7 September, sat
+17
+8
Feels like
+10
749 mmHg
89%
6.4
m/s
W
Climate normal
+20
+16
7 September, Saturday. day, 17°; night, 8°; rain
8
+12
+9
8 September, sun
+12
+9
Feels like
+4
751 mmHg
73%
7.2
m/s
W
Climate normal
+20
+15
8 September, Sunday. day, 12°; night, 9°; light rain
9
+20
+9
9 September, mon
+20
+9
Feels like
+12
755 mmHg
62%
5.3
m/s
W
Climate normal
+19
+14
9 September, Monday. day, 20°; night, 9°; partly cloudy
10
+21
+11
10 September, tue
+21
+11
Feels like
+13
758 mmHg
61%
4.7
m/s
W
Climate normal
+20
+15
10 September, Tuesday. day, 21°; night, 11°; partly cloudy
11
+25
+16
11 September, wed
+25
+16
Feels like
+21
757 mmHg
71%
2.9
m/s
SW
Climate normal
+18
+14
11 September, Wednesday. day, 25°; night, 16°; partly cloudy
12
+29
+16
12 September, thu
+29
+16
Feels like
+25
758 mmHg
68%
2.6
m/s
SW
Climate normal
+18
+14
12 September, Thursday. day, 29°; night, 16°; mostly clear
13
+29
+17
13 September, fri
+29
+17
Feels like
+25
760 mmHg
68%
2
m/s
W
Climate normal
+19
+12
13 September, Friday. day, 29°; night, 17°; light rain
14
+28
+18
14 September, sat
+28
+18
Feels like
+26
760 mmHg
71%
2.1
m/s
SW
Climate normal
+18
+14
14 September, Saturday. day, 28°; night, 18°; clear
15
+27
+17
15 September, sun
+27
+17
Feels like
+25
758 mmHg
73%
3.1
m/s
SW
Climate normal
+15
+13
15 September, Sunday. day, 27°; night, 17°; mostly clear
16
+25
+17
16 September, mon
+25
+17
Feels like
+22
758 mmHg
78%
3.7
m/s
SE
Climate normal
+17
+10
16 September, Monday. day, 25°; night, 17°; partly cloudy
17
+24
+16
17 September, tue
+24
+16
Feels like
+21
757 mmHg
76%
3.4
m/s
S
Climate normal
+18
+12
17 September, Tuesday. day, 24°; night, 16°; partly cloudy
18
+25
+16
18 September, wed
+25
+16
Feels like
+20
755 mmHg
70%
3.4
m/s
SW
Climate normal
+18
+12
18 September, Wednesday. day, 25°; night, 16°; partly cloudy
19
+26
+18
19 September, thu
+26
+18
Feels like
+20
752 mmHg
70%
7.4
m/s
SW
Climate normal
+19
+12
19 September, Thursday. day, 26°; night, 18°; partly cloudy
20
+14
+8
20 September, fri
+14
+8
Feels like
+5
753 mmHg
52%
6.1
m/s
N
Climate normal
+19
+14
20 September, Friday. day, 14°; night, 8°; mostly clear
21
+13
+12
21 September, sat
+13
+12
Feels like
+7
755 mmHg
63%
2.5
m/s
SE
Climate normal
+18
+14
21 September, Saturday. day, 13°; night, 12°; mostly clear
22
+19
+15
22 September, sun
+19
+15
Feels like
+14
747 mmHg
79%
5.4
m/s
SW
Climate normal
+18
+13
22 September, Sunday. day, 19°; night, 15°; rain
23
+18
+10
23 September, mon
+18
+10
Feels like
+8
750 mmHg
74%
3
m/s
N
Climate normal
+18
+12
23 September, Monday. day, 18°; night, 10°; clear
24
+21
+19
24 September, tue
+21
+19
Feels like
+13
742 mmHg
79%
6.7
m/s
S
Climate normal
+18
+13
24 September, Tuesday. day, 21°; night, 19°; rain
25
+18
+13
25 September, wed
+18
+13
Feels like
+13
738 mmHg
75%
7.4
m/s
SW
Climate normal
+18
+13
25 September, Wednesday. day, 18°; night, 13°; rain
26
+14
+10
26 September, thu
+14
+10
Feels like
+8
744 mmHg
70%
5.9
m/s
W
Climate normal
+20
+14
26 September, Thursday. day, 14°; night, 10°; partly cloudy
27
+17
+17
27 September, fri
+17
+17
Feels like
+11
751 mmHg
75%
4.5
m/s
SW
Climate normal
+18
+14
27 September, Friday. day, 17°; night, 17°; clear
28
+20
+14
28 September, sat
+20
+14
Feels like
+15
750 mmHg
69%
4.6
m/s
SW
Climate normal
+17
+14
28 September, Saturday. day, 20°; night, 14°; partly cloudy
29
+21
+15
29 September, sun
+21
+15
Feels like
+17
750 mmHg
81%
4.2
m/s
NE
Climate normal
+14
+10
29 September, Sunday. day, 21°; night, 15°; mostly clear
30
+13
+5
30 September, mon
+13
+5
Feels like
+3
748 mmHg
90%
8.1
m/s
N
Climate normal
+14
+10
30 September, Monday. day, 13°; night, 5°; rain
1 October
+8
+3
1 October, tue
+8
+3
Feels like
0
754 mmHg
60%
6.1
m/s
N
Climate normal
+14
+10
1 October, Tuesday. day, 8°; night, 3°; mostly clear
2
+10
+6
2 October, wed
+10
+6
Feels like
+1
755 mmHg
56%
5.4
m/s
NW
Climate normal
+14
+10
2 October, Wednesday. day, 10°; night, 6°; clear
3
+16
+11
3 October, thu
+16
+11
Feels like
+7
750 mmHg
70%
5.4
m/s
W
Climate normal
+15
+11
3 October, Thursday. day, 16°; night, 11°; clear
4
+17
+9
4 October, fri
+17
+9
Feels like
+10
748 mmHg
81%
3
m/s
NW
Climate normal
+14
+11
4 October, Friday. day, 17°; night, 9°; clear
5
+19
+10
5 October, sat
+19
+10
Feels like
+12
747 mmHg
77%
2.8
m/s
W
Climate normal
+13
+10
5 October, Saturday. day, 19°; night, 10°; clear
Average for 30 days
15
sunny days
6
days with precipitation
9
cloudy days
15 sunny days; 6 days with precipitation; 9 cloudy days;
72
%
air humidity
4.6
m/s
Wind
SW
18
mm of precipitation
(2% of annual average)
air humidity 72%; 18 millimeters of precipitation (2% of annual average); Wind south-westerly 4.6 Meters per second
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
W
W
W
SW
SW
W
SW
SW
SE
S
SW
SW
N
SE
SW
N
S
SW
W
SW
SW
NE
N
N
NW
W
NW
W
W
7
Average data for 10 years
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
October
2
3
4
5
6
Daytime temperature
Night-time temperature
