MONTHLY CLIMATOLOGICAL SUMMARY for Sep 2026 NAME: Hersham, Surrey ELEV: 15 meters LAT: 51-22.50 N LONG: 000-24.48 W TEMPERATURE (°C), RAIN (mm), WIND SPEED (mph) HEAT COOL AVG MEAN DEG DEG WIND DOM DAY TEMP HIGH TIME LOW TIME DAYS DAYS RAIN SPEED HIGH TIME DIR --------------------------------------------------------------------------------------- 01 18.7 26.2 14:14 11.2 04:39 0.0 0.3 0.0 0.0 2.2 13:04 292 02 18.7 22.1 12:35 15.8 05:41 0.0 0.3 0.6 0.3 11.4 20:23 221 03 22.0 27.5 15:13 18.9 01:10 0.0 3.7 0.0 0.6 10.7 07:49 239 04 19.4 22.3 11:58 13.9 23:25 0.0 1.1 0.9 1.8 20.6 06:52 234 05 18.5 26.9 16:48 11.1 05:29 0.0 0.1 0.0 0.0 5.4 14:57 238 06 20.1 29.8 13:58 13.6 01:36 0.0 1.7 0.0 0.0 6.9 09:57 179 07 20.2 25.5 14:39 15.1 02:09 0.0 1.8 0.0 0.0 11.4 14:06 315 08 15.4 20.6 17:05 12.3 20:55 3.0 0.0 12.3 0.0 2.2 13:48 N/A 09 15.4 20.7 11:52 10.5 05:29 2.9 0.0 0.0 0.0 6.9 11:16 217 10 16.8 22.3 13:19 11.6 05:40 1.5 0.0 1.8 0.0 5.4 21:50 90 11 18.7 25.8 14:33 13.6 23:59 0.0 0.4 0.6 0.0 1.6 07:05 N/A 12 18.0 26.2 15:24 10.9 04:13 0.3 0.0 0.0 0.0 9.2 12:07 191 13 20.2 24.5 13:03 18.3 04:37 0.0 1.9 0.3 0.0 2.2 12:10 N/A 14 20.6 27.1 14:12 16.9 02:34 0.0 2.3 0.0 0.0 7.6 15:03 243 15 19.2 24.7 14:48 14.5 22:13 0.0 0.9 0.0 0.0 8.3 13:16 279 16 16.8 23.6 16:33 11.0 06:13 1.6 0.0 0.0 0.0 6.0 16:57 282 17 16.9 23.9 13:18 12.3 23:45 1.4 0.0 2.1 0.1 12.1 12:23 240 18 16.2 22.1 13:32 11.0 04:48 2.1 0.0 0.0 0.0 10.7 14:51 241 19 19.7 23.1 11:20 17.2 00:00 0.0 1.3 0.3 0.1 14.5 10:53 241 20 17.3 23.9 15:38 9.2 23:52 1.0 0.0 0.6 0.0 7.6 09:13 263 21 16.8 27.8 16:09 7.4 05:46 1.5 0.0 0.0 0.0 0.0 00:00 N/A 22 19.9 30.7 15:10 11.1 05:40 0.0 1.6 0.0 0.0 0.0 00:00 N/A 23 19.0 26.0 13:19 13.2 23:50 0.0 0.6 0.0 0.0 6.9 11:25 231 24 15.9 25.5 14:17 9.3 06:06 2.4 0.0 0.0 0.0 0.7 17:01 N/A 25 17.7 27.5 14:18 10.0 04:06 0.7 0.0 0.0 0.0 0.7 11:20 N/A 26 17.0 26.6 15:23 10.2 06:43 1.4 0.0 0.0 0.0 3.8 00:13 338 27 16.6 23.3 10:33 10.4 01:34 1.7 0.0 0.0 0.0 9.2 14:52 260 28 16.8 23.4 12:26 11.3 06:23 1.5 0.0 0.0 0.0 4.5 22:42 135 29 21.2 28.6 13:03 16.3 00:00 0.0 2.9 0.0 0.0 6.0 13:21 90 30 21.4 25.5 13:00 19.8 04:06 0.0 3.1 0.0 0.0 8.3 07:51 219 --------------------------------------------------------------------------------------- 18.3 30.7 22 7.4 21 23.0 24.1 19.5 0.1 20.6 04 235