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Dry September


Dry September

Synoptic situation

The main dry areas this month have been over south-west England and Scotland.
Many central parts of the UK, were affected by the heavy rainfall event of the 9 September 2002.

Maps

September 2002 Actual | September 2002 Anomaly | September 1961-1990 Rainfall

Station Data

Station Name
Total rainfall in mm (day count of data)
September 1961-1990 Climate Average (mm)
Anomaly compared to 1961-1990 Average (%)
Extra Information

First date of rainfall available
Plymouth, Mount Batten
4.0 (29.5)
68.9
5.8
 2nd lowest September value, lowest recorded was 0.1 mm in 1959. The joint 7th driest month (of any month).
1931
Bastreet
11.9 (30)
113.9
10.5
 Previous lowest September was 31.5 mm in 1971.
1961
Llanbedr
11.5 (29.5)
101.6
11.3
 Previous lowest September was 77.0 mm in 2001.
1998
Gawlish
11.7 (29.5)
89.2
13.1
 Previous lowest September was 31.3 mm in 1996. The 2nd driest month (of any month).
1989
Kinbrace
17.2 (29)
79.7
21.6
 Previous lowest September was 40.6 mm in 1989. The 3rd driest month (of any month).
1980
Mumbles Head
19.0 (30)
87.2
21.8
 Previous lowest September was 27.8 mm in 1986.
1983
Dyce
15.6 (30)
68.4
22.8
 2nd lowest September value, lowest recorded was 15.3 mm in 1959.
1957
Inverbervie
14.2 (29)
60.9
23.3
 Previous lowest September was 27.3 mm in 1991.
1988
Capel Curig
42.2 (28)
174.9
24.1
 Previous lowest September was 141.2 mm in 1996.
1993
Killowen
20.8 (30)
85.8
24.2
 Previous lowest September was 39.2 mm in 1997. The 2nd driest month (of any month).
1997
St.Mawgan
19.4 (30)
73.4
26.4
 3rd lowest September value, lowest recorded 10.1 mm in 1959 (lowest since 1971 when 18.7 mm was recorded).
1957
Tain Range
15.8 (30)
58.9
26.8
 Previous lowest September was 25.6 mm in 1996. The 5th driest month (of any month).
1992
Lybster
20.0 (30)
62.2
32.1
 Previous lowest September was 30.6 mm in 1996.
1994

The climate averages have been estimated using infilled data, where the station does not have a full climatological record.

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Length of Spells without Signifcant Rainfall

For the information below, daily rainfall totals of 0.1 or 0.2 mm have been deemed as not being significant rainfall.

St Mawgan - Last rain 8th September 2002, then 20 days without significant rainfall. 1.8 mm reported on 29 September.
Bastreet - Last rain 8th September 2002, then 20 days without significant rainfall. 0.5 mm reported on 29 September.
Plymouth - Last rain 6th September 2002, then 23 days without significant rainfall. 0.8 mm reported on 30 September.
Mumbles - Last rain 9th September 2002, then 21 days without significant rainfall. 1.2 mm reported on 1 October.

Plymouth has just had its longest dry spell since March 1997, when there were 26 dry days starting 27 March 1997. Longest dry spell at plymouth was 46 days starting 21 August 1959.

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District/Regional September Data

Scotland has had its driest September since 1972.

District/Region Name
Total Rainfal in mm for September 2002
Anomaly comared to 1961-1990 Average ( % )
Extra September Information
UK
40
40.5
Lowest since 1986, when 35.1 mm was recorded
(4th lowest since 1961).
England
34.3
49.1
Lowest since 1997, when 29.0 mm was recoreded
(6th lowest since 1961).
Wales
38.8
32.9
Lowest since 1986, when 18.0 mm was recorded
(2nd lowest since 1961).
Scotland
49.7
35.1
Lowest since 1972, when 31.6 mm was recorded
(2nd lowest since 1961).
N Ireland
40.4
40.5
Lowest since 1986, when 9.7 mm was recorded
(3rd lowest since 1961).
England & Wales
34.9
45.7
Lowest since 1996, when 33.7 mm was recorded
(joint 4th lowest since 1961).
Scotland N
50.5
32.4
Lowest since 1993, when 49.4 mm was recorded
(3rd lowest since 1961).
Scotland E
34.6
35.4
Lowest since 1986, when 31.2 mm was recorded
(4th lowest since 1961).
Scotland W
65.2
38.3
Lowest since 1986, when 56.0 mm was recorded
(4th lowest since 1961).
England E & NE
32.9
53.6
Lowest since 1997, when 23.1 mm was recorded.
England NW & Wales N
44.9
38.9
Lowest since 1989, when 35.8 mm was recorded
(5th lowest since 1961).
Midlands
29.5
45.7
Lowest since 1997, when 28.1 mm was recorded.
East Anglia
32.7
65.7
Lowest since 1997, when 12.1 mm was recorded.
England SW & Wales S
35.9
36.3
Lowest since 1986, when 29.5 mm was recorded
(3rd lowest since 1961).
England SE & Central S
37.1
56.1
Lowest since 1997, when 11.5 mm was recorded.