September 2018 weather data

Search

September 2018 was unremarkable overall regarding rainfall and temperature. The dry spell at the end of August continued for another 7 days and there was little substantial rain thereafter until the 20th, when nearly 50 mm fell: the total rainfall was 78.4 mm, some 97% of the Usk* average for September of 81.2 mm.

The month was cooler than average, with the mean maximum temperature of 17.8 °C being 1.4 °C below the Usk average for September of 19.2 °C. The highest was 24.4 °C on the 3rd and the lowest of a chilly 10.8 °C occurred on the 22nd.

* Usk is the nearest Met Office station for which long term averages (1981-2010) are available.

Day by day data for September are given below:-

                   MONTHLY CLIMATOLOGICAL SUMMARY for SEP. 2018

NAME: Penallt 210   CITY:    STATE:  
ELEV:   210 m  LAT:  51° 48' 00" N  LONG:   2° 42' 00" W

                   TEMPERATURE (°C), RAIN  (mm), WIND SPEED (km/hr)

                                      HEAT  COOL        AVG
    MEAN                              DEG   DEG         WIND                 DOM
DAY TEMP  HIGH   TIME   LOW    TIME   DAYS  DAYS  RAIN  SPEED HIGH   TIME    DIR
------------------------------------------------------------------------------------
 1  16.9  22.0   16:00  12.2    2:00   2.3   0.8   0.0   0.0   9.7   12:30     E
 2  18.3  23.0   16:00  15.3    1:00   1.2   1.1   0.0   0.0   8.0   13:00     W
 3  17.5  24.4   11:00  13.1   00:00   1.9   1.1   0.0   0.0   3.2   15:30     E
 4  13.8  16.9   15:00  11.8    5:30   4.5   0.0   0.0   0.0   1.6    1:30     E
 5  15.2  20.7   13:30  10.4   23:00   3.5   0.3   0.0   0.0   1.6    0:30   ESE
 6  13.2  18.2   12:30   8.7    6:00   5.2   0.0   0.0   0.0   4.8   10:00     W
 7  12.6  18.8   14:00   7.9    7:00   5.7   0.0   0.0   0.0   8.0   13:00     W
 8  13.6  15.8   15:30   9.4    1:00   4.8   0.0   2.0   0.2  14.5   11:30     W
 9  15.1  18.7   14:00  11.6   00:00   3.2   0.0   0.2   0.6  24.1    9:00     W
10  15.1  18.4   12:30  11.3    2:30   3.3   0.0   0.0   0.5  17.7   14:30     W
11  16.3  17.9   12:30  13.4   00:00   2.1   0.0   2.0   1.0  24.1    0:30     W
12  12.4  15.7   17:00   9.1   00:00   5.9   0.0   1.2   0.0   6.4   20:30     W
13  12.8  18.3   12:00   6.3    4:30   5.6   0.0   0.0   0.0   8.0   13:00     W
14  13.5  17.7   15:00  10.2    2:30   4.8   0.0   0.0   0.2  16.1   16:00     W
15  14.1  18.0   14:30  10.8    5:30   4.3   0.0   0.0   0.0   9.7   10:30     W
16  15.6  18.5   14:00  12.6    5:30   2.8   0.0   3.8   1.3  19.3   10:30     W
17  17.2  19.4   17:00  15.1   23:30   1.2   0.1   0.4   1.4  16.1    7:30     E
18  16.7  18.3   17:00  14.8    9:00   1.7   0.0   2.2   3.2  32.2    8:30     W
19  15.5  19.4   12:00  11.6   00:00   2.9   0.1   0.6   2.7  27.4   12:00     W
20  14.3  17.3   18:30  11.3    1:00   4.1   0.0  48.4   2.9  37.0   22:00     W
21  11.5  15.4   14:30   7.4    6:30   6.8   0.0   0.0   1.6  25.7    0:30     W
22   9.6  10.8    0:30   8.9   21:00   8.7   0.0  10.4   0.2  11.3   10:30     E
23   8.9  13.4   14:30   6.8   10:00   9.4   0.0   7.2   0.0   8.0    9:00     E
24   9.8  15.8   14:30   5.3    7:30   8.6   0.0   0.0   0.0   3.2    3:30     E
25  10.7  15.8   14:30   4.7    7:30   7.6   0.0   0.0   0.3  12.9   12:30   WSW
26  14.1  19.1   14:00   8.8    1:30   4.3   0.1   0.0   0.0   8.0    8:30     W
27  15.4  20.9   16:30  11.1   23:00   3.4   0.4   0.0   0.0   9.7   14:30     W
28  11.2  15.6   13:00   6.8   00:00   7.1   0.0   0.0   0.0  11.3   13:30     E
29   9.8  16.2   15:00   3.8    7:30   8.6   0.0   0.0   0.0   9.7   15:00     W
30  10.1  14.4   13:00   5.9    3:30   8.3   0.0   0.0   0.0   8.0   14:30     W
-------------------------------------------------------------------------------------
    13.7  24.4     3     3.8    29   143.6   4.1  78.4   0.5  37.0    20       W

Max >=  32.0:  0
Max <=   0.0:  0
Min <=   0.0:  0
Min <= -18.0:  0
Max Rain: 48.41 ON 20/09/18
Days of Rain: 11 (> .2 mm) 7 (> 2 mm) 1 (> 20 mm)
Heat Base:  18.3  Cool Base:  18.3  Method: Integration