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Monthly weather forecast in Belfast
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
8
+16
+11
8 September, sun
+16
+11
Feels like
+9
752 mmHg
83%
8.1
m/s
NW
Climate normal
+15
+13
8 September, Sunday. day, 16°; night, 11°; partly cloudy
9
September
+15
+13
9 September, mon
+15
+13
Feels like
+8
754 mmHg
69%
6.5
m/s
W
+15
Climate normal
+16
+14
9 September, Monday. day, 15°; night, 13°; light rain
10
+14
+8
10 September, tue
+14
+8
Feels like
+5
750 mmHg
69%
9
m/s
NW
+15
Climate normal
+15
+13
10 September, Tuesday. day, 14°; night, 8°; light rain
11
+12
+7
11 September, wed
+12
+7
Feels like
+3
752 mmHg
72%
8.7
m/s
NW
+15
Climate normal
+15
+13
11 September, Wednesday. day, 12°; night, 7°; light rain
12
+13
+6
12 September, thu
+13
+6
Feels like
+4
760 mmHg
72%
6.8
m/s
NW
+15
Climate normal
+15
+12
12 September, Thursday. day, 13°; night, 6°; light rain
13
+13
+12
13 September, fri
+13
+12
Feels like
+7
764 mmHg
70%
4.6
m/s
SW
+15
Climate normal
+14
+13
13 September, Friday. day, 13°; night, 12°; overcast
14
+17
+12
14 September, sat
+17
+12
Feels like
+11
758 mmHg
87%
7.3
m/s
SW
+15
Climate normal
+14
+13
14 September, Saturday. day, 17°; night, 12°; light rain
15
+15
+10
15 September, sun
+15
+10
Feels like
+11
758 mmHg
78%
5.1
m/s
W
+15
Climate normal
+14
+12
15 September, Sunday. day, 15°; night, 10°; light rain
16
+16
+13
16 September, mon
+16
+13
Feels like
+11
760 mmHg
74%
4.8
m/s
SW
+15
Climate normal
+13
+12
16 September, Monday. day, 16°; night, 13°; light rain
17
+18
+13
17 September, tue
+18
+13
Feels like
+13
759 mmHg
78%
4.7
m/s
SW
+15
Climate normal
+13
+11
17 September, Tuesday. day, 18°; night, 13°; light rain
18
+17
+10
18 September, wed
+17
+10
Feels like
+14
762 mmHg
78%
4.3
m/s
S
+15
Climate normal
+14
+12
18 September, Wednesday. day, 17°; night, 10°; light rain
19
+17
+10
19 September, thu
+17
+10
Feels like
+11
759 mmHg
74%
3.6
m/s
S
Climate normal
+14
+12
19 September, Thursday. day, 17°; night, 10°; partly cloudy
20
+17
+12
20 September, fri
+17
+12
Feels like
+11
757 mmHg
74%
4.3
m/s
SW
Climate normal
+14
+13
20 September, Friday. day, 17°; night, 12°; partly cloudy
21
+13
+9
21 September, sat
+13
+9
Feels like
+7
762 mmHg
71%
4.3
m/s
W
Climate normal
+14
+13
21 September, Saturday. day, 13°; night, 9°; partly cloudy
22
+12
+11
22 September, sun
+12
+11
Feels like
+7
766 mmHg
70%
3.9
m/s
SE
Climate normal
+14
+12
22 September, Sunday. day, 12°; night, 11°; mostly clear
23
+13
+13
23 September, mon
+13
+13
Feels like
+6
766 mmHg
78%
8.1
m/s
S
Climate normal
+13
+12
23 September, Monday. day, 13°; night, 13°; mostly clear
24
+14
+14
24 September, tue
+14
+14
Feels like
+4
760 mmHg
86%
12.5
m/s
SE
Climate normal
+14
+12
24 September, Tuesday. day, 14°; night, 14°; light rain
25
+15
+13
25 September, wed
+15
+13
Feels like
+6
755 mmHg
89%
12.4
m/s
S
Climate normal
+13
+12
25 September, Wednesday. day, 15°; night, 13°; light rain
26
+13
+13
26 September, thu
+13
+13
Feels like
+7
762 mmHg
80%
8.2
m/s
W
Climate normal
+15
+13
26 September, Thursday. day, 13°; night, 13°; light rain
27
+13
+10
27 September, fri
+13
+10
Feels like
+6
764 mmHg
77%
8.6
m/s
NW
Climate normal
+15
+14
27 September, Friday. day, 13°; night, 10°; light rain
28
+12
+11
28 September, sat
+12
+11
Feels like
+8
769 mmHg
78%
4.1
m/s
NW
Climate normal
+15
+14
28 September, Saturday. day, 12°; night, 11°; clear
29
+13
+12
29 September, sun
+13
+12
Feels like
+10
768 mmHg
88%
3.3
m/s
SW
Climate normal
+14
+12
29 September, Sunday. day, 13°; night, 12°; partly cloudy
30
+14
+14
30 September, mon
+14
+14
Feels like
+8
763 mmHg
90%
8.2
m/s
S
Climate normal
+13
+12
30 September, Monday. day, 14°; night, 14°; light rain
1 October
+11
+9
1 October, tue
+11
+9
Feels like
+1
754 mmHg
80%
11.2
m/s
W
Climate normal
+13
+11
1 October, Tuesday. day, 11°; night, 9°; rain
2
+10
+8
2 October, wed
+10
+8
Feels like
0
749 mmHg
80%
12
m/s
W
Climate normal
+13
+12
2 October, Wednesday. day, 10°; night, 8°; rain
3
+10
+9
3 October, thu
+10
+9
Feels like
0
750 mmHg
77%
10.6
m/s
NW
Climate normal
+12
+11
3 October, Thursday. day, 10°; night, 9°; light rain
4
+9
+11
4 October, fri
+9
+11
Feels like
+2
754 mmHg
74%
8.2
m/s
SW
Climate normal
+13
+11
4 October, Friday. day, 9°; night, 11°; light rain
5
+11
+10
5 October, sat
+11
+10
Feels like
+3
743 mmHg
82%
10.8
m/s
W
Climate normal
+13
+11
5 October, Saturday. day, 11°; night, 10°; light rain
6
+10
+9
6 October, sun
+10
+9
Feels like
+3
745 mmHg
82%
8
m/s
NW
Climate normal
+13
+11
6 October, Sunday. day, 10°; night, 9°; light rain
7
+11
+11
7 October, mon
+11
+11
Feels like
+1
744 mmHg
81%
11.9
m/s
W
Climate normal
+13
+11
7 October, Monday. day, 11°; night, 11°; rain
8
+12
+11
8 October, tue
+12
+11
Feels like
+6
751 mmHg
79%
6.9
m/s
NW
Climate normal
+13
+12
8 October, Tuesday. day, 12°; night, 11°; partly cloudy
Average data for 10 years
Next, the average data for 10 years
9
+12
+11
9 October, wed
+12
+11
Feels like
+9
758 mmHg
81%
7.4
m/s
SW
+13
9 October, Wednesday. day, 12°; night, 11°; overcast
10
+13
+12
10 October, thu
+13
+12
Feels like
+9
758 mmHg
82%
7.5
m/s
S
+13
10 October, Thursday. day, 13°; night, 12°; rain
11
+12
+11
11 October, fri
+12
+11
Feels like
+9
760 mmHg
81%
6.8
m/s
SW
+14
11 October, Friday. day, 12°; night, 11°; clear
12
+12
+11
12 October, sat
+12
+11
Feels like
+9
760 mmHg
81%
6.8
m/s
E
+13
12 October, Saturday. day, 12°; night, 11°; clear
Average for 30 days
3
sunny days
21
days with precipitation
6
cloudy days
3 sunny days; 21 days with precipitation; 6 cloudy days;
78
%
air humidity
7.4
m/s
Wind
W
13
mm of precipitation
(2% of annual average)
+15
°C
Water temperature
air humidity 78%; 13 millimeters of precipitation (2% of annual average); Wind westerly 7.4 Meters per second; Water temperature +15°
Forecast in graphs
Temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
NW
NW
NW
SW
SW
W
SW
SW
S
S
SW
W
SE
S
SE
S
W
NW
NW
SW
S
W
W
NW
SW
W
NW
W
NW
9
Average data for 10 years
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
7
8
Daytime temperature
Night-time temperature
