September 2019 weather data

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September 2019 was settled for the most part but a wet period set in during the last 9 days, leaving the overall rainfall at 131.4 mm, some 62% above the Usk* average for September of 81.2 mm. There were 18 days of rainfall below 0.2 mm. The wettest day was the 27th, when 25.2 mm fell.

The month was a little cooler than average, with the mean maximum temperature of 18.6 °C being 0.6 °C below the Usk average for September of 19.2 °C. The highest was 24.2 °C on the 21st and the lowest of 13.9 °C occurred on the 9th. The temperature exceeded 20 °C on 7 occasions.

* 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. 2019

NAME: Penallt210   CITY: Penallt   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  13.2  18.1   13:30   9.4    6:30   5.1   0.0   0.2   0.6  12.9   13:00   ESE
 2  14.2  19.2   13:00   8.6    5:00   4.1   0.0   0.0   0.6  11.3   12:00    SE
 3  15.5  19.9   12:30  12.9    7:30   2.9   0.1   0.2   1.3  14.5   13:00    SE
 4  14.6  17.5   13:30  12.1   00:00   3.7   0.0   4.0   1.6  16.1    9:00    SE
 5  12.6  17.6   16:00   9.1    6:30   5.7   0.0   0.0   1.1  14.5    4:30   ESE
 6  13.8  17.9   16:30  10.6    0:30   4.5   0.0   0.0   1.0  14.5   16:30   ESE
 7  12.9  17.2   17:00   8.7    6:00   5.4   0.0   0.0   0.6  17.7   13:30   ENE
 8  11.8  18.6   14:30   5.7    5:30   6.5   0.0   0.0   0.3   9.7   13:00    SE
 9  12.1  13.9   16:30  10.4    1:00   6.2   0.0   9.6   0.5   8.0    6:30    SE
10  14.0  18.3   14:00  11.9    4:00   4.3   0.0   0.0   0.0   8.0   13:00    SW
11  16.6  21.7   14:00  12.3    1:00   2.2   0.6   0.0   1.6  16.1    6:00    SE
12  16.5  20.2   13:30  12.3    3:30   2.1   0.3   0.0   1.6  19.3   13:30    SE
13  14.1  18.9   16:30  10.3    6:30   4.2   0.0   0.2   1.1  14.5    1:30   ENE
14  14.1  21.0   14:00   7.2    5:30   4.8   0.5   0.0   0.3   8.0   10:30    SE
15  16.2  22.6   16:30   9.7    7:30   2.9   0.9   0.0   0.2   8.0   12:30    SE
16  15.6  19.9   12:00  11.4   00:00   2.8   0.1   2.0   0.2   9.7   16:00   ENE
17  12.1  16.8   15:30   6.9    7:00   6.3   0.0   0.0   1.1  14.5   11:00   ENE
18  12.4  18.4   16:00   6.1    7:00   5.8   0.0   0.0   0.5   9.7   16:30   ENE
19  14.3  20.8   17:00   9.1    6:30   4.4   0.4   0.0   0.3   8.0   12:00   ENE
20  14.6  20.5   16:00   8.8    6:00   4.0   0.3   0.2   2.4  20.9   17:30    NE
21  16.9  24.2   16:30  10.2    5:00   2.9   1.5   0.0   3.7  24.1   17:30   SSE
22  15.9  18.5   16:00  13.2   23:30   2.4   0.0  21.6   1.3  16.1   22:00   SSE
23  14.2  16.8   13:00  10.9    6:30   4.1   0.0  10.8   2.3  22.5   19:00   SSE
24  15.6  18.0   13:30  13.8   00:00   2.7   0.0  11.6   1.9  17.7   18:30    SE
25  15.6  18.6   14:00  13.7    0:30   2.7   0.0   2.2   1.1  17.7    2:00    SE
26  14.7  17.2   15:00  12.6    8:00   3.6   0.0   7.0   2.4  19.3    0:30    SE
27  12.7  15.1   11:30  10.7   22:00   5.6   0.0  25.2   2.1  22.5   13:00    SE
28  13.7  16.3   14:30  11.2    2:00   4.6   0.0  19.2   2.1  27.4   23:00    SE
29  14.4  17.4   13:00  10.4   00:00   3.9   0.0   8.8   2.9  30.6    3:00    SE
30  12.9  15.8   20:30   9.0    4:00   5.4   0.0   8.6   1.6  22.5   19:30   SSE
-------------------------------------------------------------------------------------
    14.3  24.2    21     5.7     8   125.6   4.6 131.4   1.3  30.6    29      SE

Max >=  32.0:  0
Max <=   0.0:  0
Min <=   0.0:  0
Min <= -18.0:  0
Max Rain: 25.20 ON 27/09/19
Days of Rain: 16 (> .2 mm) 12 (> 2 mm) 2 (> 20 mm)
Heat Base:  18.3  Cool Base:  18.3  Method: Integration