Historical Ranked Daily Data for September - Max Temp Anomaly / C
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 12.8 | 13 Sep 2016 |
| 2 | 11.5 | 09 Sep 2023 |
| 3 | 10.5 | 30 Sep 2011 |
| 4 | 10.4 | 10 Sep 2023 |
| 5 | 10.2 | 15 Sep 2020 |
| 6 | 9.9 | 07 Sep 2023 |
| 7 | 9.9 | 06 Sep 2023 |
| 8 | 9.8 | 29 Sep 2011 |
| 9 | 9.3 | 08 Sep 2023 |
| 10 | 9.3 | 15 Sep 2016 |
| 11 | 8.2 | 14 Sep 2020 |
| 12 | 7.9 | 14 Sep 2016 |
| 13 | 7.8 | 07 Sep 2021 |
| 14 | 7.8 | 05 Sep 2023 |
| 15 | 7.7 | 28 Sep 2011 |
| 16 | 7.6 | 08 Sep 2021 |
| 17 | 7.6 | 09 Sep 2012 |
| 18 | 7.5 | 07 Sep 2016 |
| 19 | 7.3 | 04 Sep 2023 |
| 20 | 7.2 | 16 Sep 2023 |
| 21 | 7.2 | 05 Sep 2013 |
| 22 | 6.7 | 08 Sep 2009 |
| 23 | 6.5 | 22 Sep 2020 |
| 24 | 6.5 | 08 Sep 2012 |
| 25 | 6.5 | 16 Sep 2020 |
| Lowest | ||
| Rank | Value | Date |
| 1 | -7.3 | 09 Sep 2013 |
| 2 | -6.1 | 05 Sep 2015 |
| 3 | -5.8 | 23 Sep 2012 |
| 4 | -5.7 | 26 Sep 2020 |
| 5 | -5.7 | 04 Sep 2015 |
| 6 | -5.6 | 14 Sep 2013 |
| 7 | -5.3 | 17 Sep 2013 |
| 8 | -5.2 | 03 Sep 2015 |
| 9 | -4.7 | 16 Sep 2013 |
| 10 | -4.4 | 09 Sep 2019 |
| 11 | -4.4 | 08 Sep 2015 |
| 12 | -4.2 | 27 Sep 2022 |
| 13 | -4.2 | 25 Sep 2010 |
| 14 | -4.2 | 22 Sep 2018 |
| 15 | -4.1 | 24 Sep 2010 |
| 16 | -4.1 | 16 Sep 2015 |
| 17 | -4.0 | 27 Sep 2020 |
| 18 | -4.0 | 02 Sep 2015 |
| 19 | -3.9 | 02 Sep 2009 |
| 20 | -3.9 | 25 Sep 2020 |
| 21 | -3.9 | 15 Sep 2013 |
| 22 | -3.8 | 16 Sep 2017 |
| 23 | -3.8 | 22 Sep 2015 |
| 24 | -3.7 | 26 Sep 2010 |
| 25 | -3.7 | 19 Sep 2017 |
Ranked daily data from 2009 to present for London, nw3. For Max Temp Anomaly, there are 450 valid values in Sep