Page updated October 2, 2012 20:32
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Data on this website may be freely used for personal and/or academic purposes only -but please do acknowledge Epping Weather Site as source
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Epping Weather Site
September 2012 (Means and totals to date are at foot of table) Monthly Summary
 
  0900 hours readings
 Daily  Readings (See notes at foot of page)
Weather in previous 24h (to 0900 on date)Blue >50% snow cover @09
Date
Date
Pressure
(mb)
Temperature
(°C)
Relative
Humidity
(%)
Wind
Speed
(mph)
Wind
Direction
Soil Temp
at 20cm
(°C)
Snow
Depth
(cm)
1Maximum
Temperature
(°C)
2Minimum
Temperature
(°C)
3Rainfall
(mm)
4GrassMin
Temp (°C)
5Sunshine
(Hours)
6Max
Wind Speed
(mph)
1
1026.2
14.2
82
5
SW
14.0
-
20.2
12.1
0.0
11.4
2.40
15
 Sunny periods 31st August. Cloudy overnight 31st/1st
Paralympics continue
1
2
1023.9
14.8
91
4
WSW
15.0
-
18.6
11.7
0.0
10.5
1.33
14
 A few sunny intervals 1st
2
3
1026.1
16.3
89
3
N
16.0
-
23.8
13.7
0.0
12.9
10.99
12
 Mainly cloudy 2nd  
3
4
1023.1
16.9
86
3
WSW
16.0
-
24.3
13.3
0.0
12.5
8.08
 15
 Prolonged sunshine3rd
4
5
1026.2
14.8
68
5
N
16.0
-
19.8
9.5
0.0 
7.5
12.79
19
 Sunny periods 4th  
5
6
1029.0
13.3
83
1
SSE
14.0
-
20.4
7.6
0.0
5.3
13.01
14
 Unbroken sunshine 5th  
6
7
1024.5
16.3
73
5
WSW
15.0
-
26.1
9.5
0.0
6.5
12.85
17
 Unbroken sunshine 6th  
7
8
1021.6
17.3
77
1
SSW
15.0
-
26.7
11.7
0.0
10.6
12.62
10
 Unbroken sunshine 7th  
8
9
1011.9
18.8
64
1
SE
15.0
-
27.6
12.8
0.0
7.5
10.48
22
 Unbroken sunshine 8th  
Paralympics Finish
9
10
1010.2
17.8
81
7
SW
17.0
-
20.4
15.9
0.8
14.6
1.18
23
 Prolonged sunshine 9th
10
11
1010.6
14.1
74
9
WNW
16.0
-
17.9
13.4
0.0
11.9
7.70
23
 Mainly cloudy 10th. Shower @ 0450Z 11th 
11
12
1015.0
11.9
75
6
SW
13.5
-
17.7
6.8
4.6
4.6
5.72
25
 Sunny periods 11th  
12
13
1020.1
11.8
84
2
N
13.0
-
17.6
6.4
0.0
4.3
11.13
21
 Heavy showers 1900Z-1940Z 12th
13
14
1010.9
16.1
82
11
WSW
14.0
-
19.9
13.4
0.0
11.7
6.99
29
 Prolonged sunshine 13th. Turning milder overnight 13th/14th 
14
15
1017.9
13.7
81
2
W
13.5
-
20.1
8.9
0.0
6.6
10.70
16
 Sunny intervals 14th
15
16
1013.3
14.5
78
7
SW
14.5
-
18.2
12.4
0.0
12.0
4.72
18
 Prolonged sunshine 15th. Turning cloudy overnight 15th/16th 
16
17
1012.9
13.7
90
5
WNW
14.5
-
18.0
12.3
0.0
8.2
4.78
26
 Sunny intervals 16th. Short shower 0830Z 17th but no measurable rain 
17
18
1011.6
13.0
75
9
W
14.0
-
17.2
10.6
0.0
9.6
9.68
23
 Sunny intervals 17th. Short shower 0450Z 18th but no measurable rain 
18
19
1021.3
11.2
71
9
WNW
12.0
-
15.8
5.6
0.0
3.4
7.19
21
 Sunny periods 18th. Cold overnight 18th/19th 
19
20
1020.6
12.2
80
5
SW
11.5
-
16.5
7.2
0.0
4.9
5.05
18
 Sunny intervals 19th  
20
21
1014.8
11.6
82
4
WSW
12.5
-
15.7
10.3
0.5
9.0
5.78
16
 Sunny intervals 20th , increasing cloud later
21
22
1020.3
8.6
92
3
N
11.5
-
14.1
4.5
0.0
3.2
10.30
15
 Sunny intervals 21st. Showers 1630-1650Z. Colder and clear overnight  21st/22nd
22
23
1012.9
9.9
88
4
E
11.0
-
13.7
6.9
21.6
5.3
0.00
27
 Sunny periods 22nd. Cloudy am 23rd 
23
24
985.6
13.7
100
4
ESE
12.0
-
14.7
9.5
7.5
9.5
1.09
29
 Rain, heavy at times, pm 23rd. Notable pressure falls @ 1430 and 2130Z 23rd 
24
25
988.0
12.5
76
10
SSW
11.0
-
15.4
9.1
5.5
7.5
5.88
23
 Rain, heavy at times, late am and early pm 24th 
25
26
990.9
10.8
98
1
SSE
11.5
-
14.1
9.4
3.8
7.9
2.49
12
 Sunny intervals 25th. Rain overnight 25th/26th
26
27
1005.5
10.9
97
4
NNW
11.5
-
15.8
9.0
1.1
6.5
4.72
21
 Heavy showers in vicinity pm 26th. Rain am 27th 
27
28
1012.0
12.8
89
8
SSW
11.0
-
16.5
8.0
0.8
6.6
2.92
22
 Sunny intervals 27th. Shower late afternoon 27th. 
28
29
1017.5
10.7
89
6
W
11.0
-
15.3
7.5
0.0
6.2
9.12
21
 Showers in the afternoon of 28th. Clear overnight 28th/29th 
29
30
1019.0
12.2
82
9
SW
10.5
-
16.1
5.9
5.1
3.4
2.90
28
 Sunny periods 29th 
30
Total/
Mean
            
.
18.6ºC
9.8ºC
51.3mm
.
204.59hrs
  
*Ice Day is Tmax <0.0º 0900-0900 
Date
Anomaly
             .
+0.2degC
-0.8degC
84.1%
.
121.2%
  
 
Pressure
(mb)
 Temperature
(°C)
Relative
Humidity
(%)
Wind
Speed (mph)
Wind
Direction
Soil Temp
at 20cm
(°C)
Snow
Depth
(cm)
1Maximum
Temperature (°C)
2Minimum
Temperature
(°C)
3Rainfall
(mm)
4GrassMin'm
Temperature
(°C)
5Sunshine
(Hours)
6Maximum
Wind Speed
(mph)
 
  0900 hours readings
Daily Readings (see notes below)  
    

 

Notes
1. For the 24 hours from 0900UTC* on the date to 0900UTC* on the following day. (The maximum temperature is generally in the afternoon*)
2. For the 24 hours ending at 0900UTC* on the date. (The minimum temperature is generally just after sunrise*)
*Where a maximum is overnight or minimum is during the day the figure is shown in italics. This often occurs in winter
3. For the 24 hours from 0900UTC* on the date to 0900UTC* on following day
4. For the period from sunset on previous day to 0900UTC* on the date
5.For the period sunrise to sunset on the date
6. For the period 0000UTC*-2400UTC* on the date i.e the Calendar Day
* UTC is Universal Time Coordinated. It has been adopted by the UK Met.Office in place of Greenwich Mean Time (GMT). When British Summer Time is in force UTC is BST minus one hour ,e.g.1000BST=0900UTC

 

 

 

 

 


 

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