Records are shown as new if they have been set 1 month ago or less. The records shown are the top 10 in each category, but if you would like to change the number then click on one of the numbers below.
Pre 2009, records are from the Met Office official weather station in Redhill (2000-2003) and Charlwood (2004-2008) and only include High Temp, Low Temp and Daily rain
You can change the month by clicking on the relevant buttons below
| High daily rain | High rain rate | High hourly rain | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | 55.20mm | 2000-09-15 | 1 | 329.20mm | 2024-09-08 | 1 | 17.20mm | 2023-09-18 |
| 2 | 26.60mm | 2022-09-08 | 2 | 213.40mm | 2021-09-28 | 2 | 15.00mm | 2024-09-08 |
| 3 | 25.40mm | 2012-09-23 | 3 | 155.60mm | 2024-09-06 | 3 | 11.40mm | 2024-09-06 |
| 4 | 24.90mm | 2015-09-16 | 4 | 147.60mm | 2021-09-08 | 4 | 10.90mm | 2015-09-16 |
| 5 | 24.60mm | 2024-09-23 | 5 | 145.80mm | 2025-09-01 | 5 | 10.00mm | 2021-09-28 |
| 6 | 24.00mm | 2024-09-06 | 6 | 102.00mm | 2024-09-05 | 6 | 9.80mm | 2012-09-23 |
| 7 | 23.80mm | 2019-09-24 | 7 | 98.40mm | 2023-09-17 | 7 | 9.00mm | 2022-09-07 |
| 8 | 23.20mm | 2024-09-08 | 8 | 93.00mm | 2025-09-11 | 8 | 9.00mm | 2022-09-05 |
| 9 | 22.80mm | 2024-09-22 | 9 | 90.00mm | 2023-09-18 | 9 | 8.80mm | 2022-09-08 |
| 10 | 21.60mm | 2023-09-20 | 10 | 80.00mm | 2022-09-05 | 10 | 8.20mm | 2024-09-23 |
| 11 | 20.80mm | 2001-09-18 | 11 | 77.80mm | 2022-09-08 | 11 | 7.80mm | 2014-09-19 |
| 12 | 20.00mm | 2025-09-03 | 12 | 76.80mm | 2025-09-04 | 12 | 7.80mm | 2016-09-16 |
| 13 | 19.60mm | 2023-09-18 | 13 | 64.40mm | 2025-09-10 | 13 | 7.60mm | 2024-09-05 |
| 14 | 18.70mm | 2013-09-13 | 14 | 61.60mm | 2025-09-03 | 14 | 7.60mm | 2021-09-08 |
| 15 | 18.40mm | 2021-09-28 | 15 | 56.40mm | 2015-09-18 | 15 | 7.40mm | 2022-09-06 |
| 16 | 17.80mm | 2008-09-05 | 16 | 52.80mm | 2024-09-11 | 16 | 7.30mm | 2016-09-15 |
| 17 | 17.60mm | 2000-09-19 | 17 | 52.60mm | 2024-09-26 | 17 | 7.30mm | 2019-09-24 |
| 18 | 17.20mm | 2006-09-28 | 18 | 49.10mm | 2016-09-15 | 18 | 7.30mm | 2011-09-06 |
| 19 | 17.10mm | 2016-09-16 | 19 | 47.20mm | 2023-09-21 | 19 | 7.20mm | 2024-09-22 |
| 20 | 15.80mm | 2008-09-01 | 20 | 46.40mm | 2024-09-22 | 20 | 6.80mm | 2025-09-03 |
| 21 | 15.50mm | 2012-09-26 | 21 | 43.20mm | 2015-09-16 | 21 | 6.40mm | 2024-09-11 |
| 22 | 15.50mm | 2011-09-06 | 22 | 42.60mm | 2024-09-25 | 22 | 6.20mm | 2015-09-14 |
| 23 | 15.00mm | 2019-09-29 | 23 | 41.00mm | 2025-09-13 | 23 | 6.20mm | 2023-09-21 |
| 24 | 14.80mm | 2006-09-13 | 24 | 40.40mm | 2014-09-19 | 24 | 6.20mm | 2023-09-20 |
| 25 | 14.20mm | 2023-09-21 | 25 | 38.40mm | 2019-09-24 | 25 | 6.20mm | 2020-09-24 |
| 26 | 14.20mm | 2000-09-27 | 26 | 38.00mm | 2022-09-09 | 26 | 5.80mm | 2023-09-17 |
| 27 | 14.00mm | 2002-09-09 | 27 | 34.20mm | 2022-09-30 | 27 | 5.70mm | 2015-09-18 |
| 28 | 14.00mm | 2010-09-29 | 28 | 31.40mm | 2022-09-07 | 28 | 5.70mm | 2018-09-23 |
| 29 | 13.60mm | 2022-09-05 | 29 | 31.20mm | 2018-09-21 | 29 | 5.40mm | 2021-09-14 |
| 30 | 13.60mm | 2001-09-30 | 30 | 31.10mm | 2012-09-26 | 30 | 5.20mm | 2017-09-29 |
| 31 | 13.50mm | 2015-09-14 | 31 | 31.10mm | 2015-09-01 | 31 | 5.20mm | 2019-09-09 |
| 32 | 13.50mm | 2015-09-22 | 32 | 29.40mm | 2024-09-10 | 32 | 5.20mm | 2013-09-13 |
| 33 | 13.20mm | 2022-09-30 | 33 | 25.20mm | 2015-09-14 | 33 | 5.20mm | 2024-09-25 |
| 34 | 13.00mm | 2024-09-05 | 34 | 24.20mm | 2023-09-26 | 34 | 5.00mm | 2025-09-11 |
| 35 | 12.80mm | 2024-09-30 | 35 | 23.00mm | 2023-09-20 | 35 | 4.70mm | 2011-09-05 |
| 36 | 12.60mm | 2022-09-13 | 36 | 20.80mm | 2024-09-21 | 36 | 4.70mm | 2015-09-22 |
| 37 | 12.50mm | 2009-09-02 | 37 | 19.80mm | 2025-09-02 | 37 | 4.70mm | 2019-09-29 |
| 38 | 12.40mm | 2000-09-18 | 38 | 19.20mm | 2020-09-30 | 38 | 4.60mm | 2021-09-27 |
| 39 | 12.40mm | 2008-09-06 | 39 | 19.20mm | 2017-09-04 | 39 | 4.20mm | 2022-09-01 |
| 40 | 12.00mm | 2007-09-23 | 40 | 19.20mm | 2020-09-24 | 40 | 4.20mm | 2017-09-16 |
| 41 | 11.90mm | 2018-09-23 | 41 | 19.20mm | 2016-09-16 | 41 | 4.10mm | 2012-09-24 |
| 42 | 11.00mm | 2001-09-28 | 42 | 18.00mm | 2012-09-23 | 42 | 4.10mm | 2017-09-28 |
| 43 | 10.90mm | 2020-09-30 | 43 | 18.00mm | 2017-09-08 | 43 | 4.10mm | 2018-09-21 |
| 44 | 10.60mm | 2025-09-04 | 44 | 17.40mm | 2025-09-15 | 44 | 4.00mm | 2024-09-27 |
| 45 | 10.20mm | 2021-09-14 | 45 | 16.20mm | 2022-09-01 | 45 | 4.00mm | 2024-09-12 |
| 46 | 10.20mm | 2004-09-12 | 46 | 15.20mm | 2021-09-14 | 46 | 4.00mm | 2022-09-30 |
| 47 | 10.20mm | 2006-09-22 | 47 | 15.20mm | 2021-09-27 | 47 | 3.80mm | 2022-09-13 |
| 48 | 10.00mm | 2022-09-07 | 48 | 14.80mm | 2024-09-23 | 48 | 3.80mm | 2025-09-01 |
| 49 | 10.00mm | 2023-09-17 | 49 | 14.40mm | 2023-09-29 | 49 | 3.60mm | 2017-09-27 |
| 50 | 9.60mm | 2001-09-17 | 50 | 13.20mm | 2013-09-13 | 50 | 3.60mm | 2020-09-30 |