Historical Ranked Daily Data for Sep - Minimum Dew Point / °C
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 17.1 | 02 Sep 2024 |
| 2 | 16.8 | 06 Sep 2016 |
| 3 | 16.5 | 10 Sep 2023 |
| 4 | 16.3 | 07 Sep 2023 |
| 5 | 16.1 | 11 Sep 2023 |
| 6 | 16.1 | 08 Sep 2023 |
| 7 | 15.6 | 09 Sep 2023 |
| 8 | 15.3 | 09 Sep 2021 |
| 9 | 15.2 | 10 Sep 2021 |
| 10 | 15.1 | 22 Sep 2024 |
| 11 | 15.0 | 02 Sep 2023 |
| 12 | 14.8 | 06 Sep 2024 |
| 13 | 14.8 | 01 Sep 2024 |
| 14 | 14.7 | 13 Sep 2016 |
| 15 | 14.7 | 19 Sep 2014 |
| 16 | 14.6 | 09 Sep 2011 |
| 17 | 14.3 | 20 Sep 2018 |
| 18 | 14.1 | 05 Sep 2022 |
| 19 | 14.1 | 02 Sep 2022 |
| 20 | 14.0 | 18 Sep 2025 |
| 21 | 14.0 | 15 Sep 2016 |
| 22 | 13.9 | 08 Sep 2020 |
| 23 | 13.9 | 18 Sep 2014 |
| 24 | 13.9 | 17 Sep 2014 |
| 25 | 13.8 | 05 Sep 2023 |
| Lowest | ||
| Rank | Value | Date |
| 1 | 0.2 | 18 Sep 2012 |
| 2 | 1.0 | 23 Sep 2025 |
| 3 | 1.3 | 11 Sep 2012 |
| 4 | 1.5 | 19 Sep 2012 |
| 5 | 1.7 | 22 Sep 2012 |
| 6 | 1.8 | 22 Sep 2025 |
| 7 | 1.8 | 24 Sep 2025 |
| 8 | 2.0 | 26 Sep 2020 |
| 9 | 2.0 | 16 Sep 2022 |
| 10 | 2.0 | 17 Sep 2022 |
| 11 | 2.1 | 16 Sep 2013 |
| 12 | 2.3 | 25 Sep 2010 |
| 13 | 2.5 | 30 Sep 2015 |
| 14 | 2.6 | 12 Sep 2012 |
| 15 | 2.6 | 25 Sep 2025 |
| 16 | 2.7 | 29 Sep 2012 |
| 17 | 2.8 | 17 Sep 2010 |
| 18 | 2.9 | 26 Sep 2010 |
| 19 | 2.9 | 25 Sep 2018 |
| 20 | 3.0 | 20 Sep 2012 |
| 21 | 3.0 | 21 Sep 2025 |
| 22 | 3.1 | 30 Sep 2012 |
| 23 | 3.4 | 18 Sep 2010 |
| 24 | 3.4 | 01 Sep 2013 |
| 25 | 3.4 | 29 Sep 2022 |
Ranked daily data from 2009 to present for London, NW3. For Minimum Dew Point, there are 510 valid values in Sep.