Weather in Colchester, Essex, UK.

Monthly summary for September 2009 

 

  Air Temperature Gnd. Min.
Temp.
Humi
dity
Baro.
Pres.
Rain Wind Sun
 Hrs.
Day Mean Max. Min. Speed High Dom. Dir'n
1 17.8 21.7 13.9 11.5 68 1008 0.0 13.8 25.0 SW 4.22
2 16.5 19.9 13.0 12.0 80 1005 8.8 14.1 21.3 S-SW 1.25
3 14.8 17.8 11.7 10.2 65 1000 0.3 19.2 32.2 W-SW 4.57
4 14.2 18.8 9.6 8.8 65 1010 0.0 10.6 23.2 W 6.35
5 15.2 21.0 9.4 8.3 65 1022 0.0 9.2 20.1 W-SW 6.48
6 16.5 20.6 12.4 11.7 68 1022 0.0 # # # #
7 18.5 23.6 13.3 # 73 1019 0.0 # # # #
8 22.1 28.2 16.0 # 62 1019 0.0 # # # #
9 15.9 21.3 10.6 # 65 1031 0.0 # # # #
10 14.8 20.8 8.8 # 65 1036 0.0 # # # #
11 15.9 19.6 12.3 # 66 1036 0.0 # # # #
12 15.9 22.6 9.1 # 74 1030 0.0 # # # #
13 12.7 16.8 8.6 # 74 1028 0.0 # # # #
14 16.1 20.0 12.2 # 74 1025 0.0 # # # #
15 14.4 15.6 13.1 # 92 1021 26.9 # # # #
16 15.6 19.1 12.1 # 78 1023 0.0 # # # #
17 # # # # # 1022 # # # # #
18 # # # # # 1016 # # # # #
19 # # # # # 1015 # # # # #
20 # # # # # 1021 # # # # #
21 # # # # # 1022 # # # # #
22 # # # # # 1021 # # # # #
23 # # # # # 1023 # # # # #
24 # # # # # 1024 # # # # #
25 # # # # # 1025 # # # # #
26 # # # # # 1026 # # # # #
27 # # # # # 1025 # # # # #
28 14.6 19.4 9.8 # 76 1022 # # # # #
29 15.8 20.3 11.2 # 77 1019 # # # # #
30 15.9 18.3 13.4 # 77 1016 # # # # #
                       
Avg. 16.1 20.7 11.5   80 1022   #   # #
Tot.             35.8       #
Min.     6.7 # # 993          
Max.   28.2     # 1038 26.9   #    
Norm. 15.1 19.6  10.6       53.7       148:36
 

Air frosts:    0
Rain days:   5

The weather station was relocated approximately 3km during this month, still within the Myland area of Colchester. Consequently some measurements marked with # were not available for a period of the month.  Figures in italics are those published in the COL bulletin for the nearby site at Colchester. The elevation of the site prior to location change was 28m and after was 48m. The barometric pressure is corrected to sea level. The weather station was first installed in July 2004. Norm data is taken from the Colchester readings for temperature and rainfall and the Wattisham readings for sunshine time in the 1971-2000 publication by the Climatological Observers Link (COL).

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