Historical Ranked Daily Data for Sep - Mean Pressure / hPa
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 1037 | 25 Sep 2018 |
| 2 | 1036 | 24 Sep 2018 |
| 3 | 1036 | 11 Sep 2009 |
| 4 | 1036 | 28 Sep 2015 |
| 5 | 1036 | 10 Sep 2009 |
| 6 | 1034 | 13 Sep 2019 |
| 7 | 1034 | 29 Sep 2015 |
| 8 | 1033 | 14 Sep 2019 |
| 9 | 1033 | 27 Sep 2015 |
| 10 | 1032 | 26 Sep 2018 |
| 11 | 1032 | 17 Sep 2024 |
| 12 | 1032 | 30 Sep 2015 |
| 13 | 1032 | 01 Sep 2021 |
| 14 | 1032 | 19 Sep 2019 |
| 15 | 1032 | 14 Sep 2024 |
| 16 | 1031 | 21 Sep 2021 |
| 17 | 1031 | 12 Sep 2009 |
| 18 | 1031 | 07 Sep 2015 |
| 19 | 1030 | 18 Sep 2019 |
| 20 | 1030 | 16 Sep 2024 |
| 21 | 1030 | 28 Sep 2018 |
| 22 | 1029 | 23 Sep 2025 |
| 23 | 1029 | 01 Sep 2013 |
| 24 | 1029 | 13 Sep 2024 |
| 25 | 1029 | 18 Sep 2024 |
| Lowest | ||
| Rank | Value | Date |
| 1 | 988 | 25 Sep 2012 |
| 2 | 988 | 26 Sep 2024 |
| 3 | 988 | 16 Sep 2015 |
| 4 | 989 | 24 Sep 2012 |
| 5 | 992 | 26 Sep 2012 |
| 6 | 994 | 14 Sep 2015 |
| 7 | 994 | 11 Sep 2017 |
| 8 | 995 | 15 Sep 2015 |
| 9 | 997 | 21 Sep 2023 |
| 10 | 997 | 24 Sep 2020 |
| 11 | 998 | 09 Sep 2017 |
| 12 | 998 | 03 Sep 2009 |
| 13 | 998 | 29 Sep 2019 |
| 14 | 999 | 13 Sep 2017 |
| 15 | 999 | 17 Sep 2015 |
| 16 | 999 | 10 Sep 2017 |
| 17 | 999 | 03 Sep 2025 |
| 18 | 1000 | 25 Sep 2024 |
| 19 | 1000 | 17 Sep 2013 |
| 20 | 1000 | 20 Sep 2023 |
| 21 | 1000 | 08 Sep 2017 |
| 22 | 1001 | 07 Sep 2010 |
| 23 | 1001 | 25 Sep 2019 |
| 24 | 1001 | 23 Sep 2020 |
| 25 | 1001 | 28 Sep 2022 |
Ranked daily data from 2009 to present for London, NW3. For Mean Pressure, there are 510 valid values in Sep.