Historical Ranked Monthly Data for Sep - Mean Pressure / hPa
Weather Variable:
Top monthly mean
Rank
Value
Date
1
1022
Sep 2009
2
1021
Sep 2018
3
1019
Sep 2014
4
1019
Sep 2021
5
1018
Sep 2019
6
1018
Sep 2020
7
1017
Sep 2015
8
1016
Sep 2016
9
1016
Sep 2025
Bottom monthly mean
Rank
Value
Date
1
1013
Sep 2017
2
1014
Sep 2022
3
1014
Sep 2011
4
1015
Sep 2012
5
1015
Sep 2010
6
1015
Sep 2024
7
1015
Sep 2013
8
1015
Sep 2023
9
1016
Sep 2025
Mean Pressure monthly extremes: highest and lowest monthly means. There are 17 valid months for the chosen period from 2009 to present for Sep in London, NW3.
Top monthly lowest
Rank
Value
Date
1
1010
Sep 2021
2
1009
Sep 2014
3
1008
Sep 2018
4
1008
Sep 2016
5
1005
Sep 2011
6
1001
Sep 2022
7
1001
Sep 2010
8
1000
Sep 2013
9
999
Sep 2025
Bottom monthly lowest
Rank
Value
Date
1
988
Sep 2012
2
988
Sep 2024
3
988
Sep 2015
4
994
Sep 2017
5
997
Sep 2023
6
997
Sep 2020
7
998
Sep 2009
8
998
Sep 2019
9
999
Sep 2025
Mean Pressure monthly extremes: highest and lowest monthly minima. There are 17 valid months for the chosen period from 2009 to present for Sep in London, NW3.
Top monthly highest
Rank
Value
Date
1
1037
Sep 2018
2
1036
Sep 2009
3
1036
Sep 2015
4
1034
Sep 2019
5
1032
Sep 2024
6
1032
Sep 2021
7
1029
Sep 2025
8
1029
Sep 2013
9
1029
Sep 2020
Bottom monthly highest
Rank
Value
Date
1
1022
Sep 2017
2
1024
Sep 2010
3
1024
Sep 2016
4
1026
Sep 2014
5
1027
Sep 2022
6
1028
Sep 2023
7
1028
Sep 2011
8
1028
Sep 2012
9
1029
Sep 2020
Mean Pressure monthly extremes: highest and lowest monthly maxima. There are 17 valid months for the chosen period from 2009 to present for Sep in London, NW3.