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September weather forecast in Derry
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
+15
+13
1 September, sun
+15
+13
Feels like
+11
768 mmHg
85%
7
m/s
SW
1 September, Sunday. day, 15°; night, 13°; rain
2
+15
+12
2 September, mon
+15
+12
Feels like
+12
766 mmHg
83%
6.5
m/s
SW
2 September, Monday. day, 15°; night, 12°; rain
3
+15
+12
3 September, tue
+15
+12
Feels like
+12
765 mmHg
87%
7.1
m/s
SW
3 September, Tuesday. day, 15°; night, 12°; rain
4
+13
+12
4 September, wed
+13
+12
Feels like
+10
767 mmHg
82%
6.5
m/s
W
4 September, Wednesday. day, 13°; night, 12°; rain
5
+13
+12
5 September, thu
+13
+12
Feels like
+9
766 mmHg
83%
8.6
m/s
SW
5 September, Thursday. day, 13°; night, 12°; rain
6
+13
+12
6 September, fri
+13
+12
Feels like
+10
766 mmHg
87%
8.3
m/s
W
6 September, Friday. day, 13°; night, 12°; rain
7
+15
+12
7 September, sat
+15
+12
Feels like
+12
765 mmHg
85%
6.6
m/s
SW
7 September, Saturday. day, 15°; night, 12°; rain
8
+15
+12
8 September, sun
+15
+12
Feels like
+12
767 mmHg
83%
6.1
m/s
SW
8 September, Sunday. day, 15°; night, 12°; rain
9
+15
+13
9 September, mon
+15
+13
Feels like
+11
763 mmHg
83%
8.3
m/s
S
9 September, Monday. day, 15°; night, 13°; rain
10
+14
+13
10 September, tue
+14
+13
Feels like
+10
764 mmHg
83%
7.5
m/s
SW
10 September, Tuesday. day, 14°; night, 13°; rain
11
+14
+12
11 September, wed
+14
+12
Feels like
+10
764 mmHg
83%
9.1
m/s
SW
11 September, Wednesday. day, 14°; night, 12°; rain
12
+14
+11
12 September, thu
+14
+11
Feels like
+11
766 mmHg
82%
7.8
m/s
SW
12 September, Thursday. day, 14°; night, 11°; rain
13
+13
+11
13 September, fri
+13
+11
Feels like
+10
769 mmHg
81%
7.1
m/s
W
13 September, Friday. day, 13°; night, 11°; rain
14
+13
+12
14 September, sat
+13
+12
Feels like
+9
768 mmHg
86%
8.6
m/s
NW
14 September, Saturday. day, 13°; night, 12°; overcast
15
+13
+11
15 September, sun
+13
+11
Feels like
+10
766 mmHg
87%
6.6
m/s
NW
15 September, Sunday. day, 13°; night, 11°; rain
16
+13
+11
16 September, mon
+13
+11
Feels like
+10
766 mmHg
83%
6
m/s
NW
16 September, Monday. day, 13°; night, 11°; overcast
17
+13
+11
17 September, tue
+13
+11
Feels like
+10
768 mmHg
85%
6
m/s
W
17 September, Tuesday. day, 13°; night, 11°; rain
18
+13
+11
18 September, wed
+13
+11
Feels like
+9
768 mmHg
87%
6.9
m/s
SW
18 September, Wednesday. day, 13°; night, 11°; clear
19
+13
+11
19 September, thu
+13
+11
Feels like
+10
770 mmHg
86%
7.1
m/s
SW
19 September, Thursday. day, 13°; night, 11°; rain
20
+14
+12
20 September, fri
+14
+12
Feels like
+11
769 mmHg
83%
7.5
m/s
SW
20 September, Friday. day, 14°; night, 12°; clear
21
+13
+12
21 September, sat
+13
+12
Feels like
+10
769 mmHg
85%
7.6
m/s
SW
21 September, Saturday. day, 13°; night, 12°; rain
22
+13
+11
22 September, sun
+13
+11
Feels like
+10
769 mmHg
82%
7
m/s
SW
22 September, Sunday. day, 13°; night, 11°; rain
23
+13
+11
23 September, mon
+13
+11
Feels like
+9
769 mmHg
82%
7.5
m/s
SW
23 September, Monday. day, 13°; night, 11°; overcast
24
+13
+11
24 September, tue
+13
+11
Feels like
+10
768 mmHg
87%
6.8
m/s
S
24 September, Tuesday. day, 13°; night, 11°; rain
25
+13
+11
25 September, wed
+13
+11
Feels like
+9
770 mmHg
81%
7.4
m/s
S
25 September, Wednesday. day, 13°; night, 11°; overcast
26
+14
+11
26 September, thu
+14
+11
Feels like
+11
771 mmHg
85%
7
m/s
S
26 September, Thursday. day, 14°; night, 11°; overcast
27
+14
+12
27 September, fri
+14
+12
Feels like
+11
770 mmHg
86%
7.8
m/s
S
27 September, Friday. day, 14°; night, 12°; rain
28
+14
+13
28 September, sat
+14
+13
Feels like
+11
769 mmHg
83%
7.4
m/s
SW
28 September, Saturday. day, 14°; night, 13°; rain
29
+13
+12
29 September, sun
+13
+12
Feels like
+9
768 mmHg
85%
7.9
m/s
SW
29 September, Sunday. day, 13°; night, 12°; rain
30
+13
+11
30 September, mon
+13
+11
Feels like
+9
765 mmHg
82%
7.9
m/s
SW
30 September, Monday. day, 13°; night, 11°; rain
1
+12
+11
1 October, tue
+12
+11
Feels like
+8
764 mmHg
82%
8
m/s
SW
1 October, Tuesday. day, 12°; night, 11°; rain
2
+12
+11
2 October, wed
+12
+11
Feels like
+7
762 mmHg
83%
8.8
m/s
SW
2 October, Wednesday. day, 12°; night, 11°; rain
3
+11
+10
3 October, thu
+11
+10
Feels like
+6
764 mmHg
81%
8
m/s
SW
3 October, Thursday. day, 11°; night, 10°; rain
4
+13
+10
4 October, fri
+13
+10
Feels like
+7
762 mmHg
83%
9.1
m/s
S
4 October, Friday. day, 13°; night, 10°; rain
5
+12
+10
5 October, sat
+12
+10
Feels like
+7
762 mmHg
81%
9.1
m/s
SW
5 October, Saturday. day, 12°; night, 10°; rain
Average data for 10 years
Derry September
2
sunny days
23
days with precipitation
5
cloudy days
2 sunny days; 23 days with precipitation; 5 cloudy days;
85
%
air humidity
5.5
m/s
Wind
SW
80
mm of precipitation
(8% of annual average)
air humidity 85%; 80 millimeters of precipitation (8% of annual average); Wind south-westerly 5.5 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
SW
W
SW
W
SW
SW
S
SW
SW
SW
W
NW
NW
NW
W
SW
SW
SW
SW
SW
SW
S
S
S
S
SW
SW
SW
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
Dublin
Inverness
Cork
Glasgow
Tralee
Galway
Belfast
Dalbeattie
Stirling
Cities with similar weather in September
Helsinki
Riga
Tallinn
Stockholm
Cholpon-Ata
Oslo
Yurmala
Palanga
Buenos Aires
