MONTHLY CLIMATOLOGICAL SUMMARY for Sep 2025 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 16.3 23.1 15:35 11.8 05:21 2.1 0.0 0.0 1.7 15.2 11:12 229 02 15.9 20.4 12:23 10.7 05:25 2.4 0.0 0.0 1.0 10.7 12:33 173 03 17.9 22.4 13:36 15.4 20:36 0.5 0.0 4.2 3.2 21.3 08:46 216 04 16.5 21.6 14:17 12.6 04:18 1.9 0.0 1.5 2.1 21.3 14:42 230 05 17.0 24.9 14:44 9.5 05:30 1.3 0.0 0.0 1.2 10.7 12:21 234 06 18.4 25.5 14:49 10.2 04:57 0.0 0.1 0.0 1.8 14.5 12:55 146 07 20.2 26.9 11:09 14.1 04:40 0.0 1.9 0.0 2.2 16.8 15:29 203 08 17.1 24.6 13:59 11.0 23:57 1.2 0.0 0.0 1.3 11.4 13:02 237 09 16.1 24.2 12:25 8.3 05:32 2.3 0.0 0.0 0.9 12.1 14:42 223 10 15.9 21.5 12:00 13.5 23:57 2.4 0.0 5.1 1.4 12.1 21:41 218 11 14.4 20.5 12:49 11.8 03:43 4.0 0.0 3.0 1.7 16.8 13:12 220 12 14.2 21.5 11:43 11.0 04:56 4.1 0.0 3.9 2.1 15.9 10:36 224 13 14.2 20.5 13:49 10.4 00:26 4.1 0.0 0.6 1.8 19.7 14:50 227 14 14.1 18.0 12:25 7.2 05:21 4.2 0.0 2.7 1.8 17.4 20:49 213 15 16.6 20.5 12:14 14.0 00:00 1.7 0.0 0.3 6.6 22.8 10:44 235 16 15.9 21.1 13:08 12.2 04:53 2.4 0.0 0.0 3.9 15.9 00:13 240 17 16.6 18.8 14:33 13.3 00:41 1.8 0.0 0.6 3.1 15.2 13:10 221 18 19.0 23.3 16:10 16.4 22:42 0.0 0.7 0.0 3.2 13.0 09:22 220 19 20.2 29.8 15:18 13.9 03:52 0.0 1.9 0.0 1.1 9.8 16:18 200 20 16.5 22.6 14:45 12.8 05:12 1.8 0.0 0.0 3.0 21.3 17:57 218 21 14.0 20.2 15:11 9.6 23:55 4.3 0.0 0.0 2.3 15.2 00:23 302 22 12.2 19.8 15:51 5.4 23:56 6.1 0.0 0.0 1.4 12.1 12:36 5 23 11.7 21.6 12:40 3.0 05:35 6.6 0.0 0.0 1.3 13.6 11:23 80 24 13.8 21.3 14:05 7.1 05:26 4.5 0.0 0.0 1.3 12.1 12:37 92 25 14.0 22.5 14:28 6.0 05:45 4.3 0.0 0.0 1.3 12.1 10:28 87 26 12.7 16.2 12:11 8.5 00:28 5.7 0.0 0.0 0.4 6.0 09:21 67 27 13.7 20.2 12:27 7.7 23:57 4.6 0.0 0.0 0.9 8.3 08:46 178 28 12.4 19.8 16:38 7.6 00:08 5.9 0.0 1.5 0.2 9.8 11:11 206 29 12.9 23.3 14:35 4.7 05:57 5.5 0.0 0.3 0.2 8.3 14:14 240 30 14.1 24.5 16:25 6.7 05:32 4.2 0.0 0.0 0.0 0.7 08:32 N/A --------------------------------------------------------------------------------------- 15.5 29.8 19 3.0 23 89.8 4.5 23.7 1.8 22.8 15 221