Historical Ranked Monthly Data for Sep - Dense Fog /
Weather Variable:
Top monthly count
Rank
Value
Date
1
30
Sep 2025
2
30
Sep 2024
3
30
Sep 2023
4
30
Sep 2022
5
30
Sep 2021
6
30
Sep 2020
7
30
Sep 2019
8
30
Sep 2018
9
30
Sep 2017
Bottom monthly count
Rank
Value
Date
1
30
Sep 2009
2
30
Sep 2010
3
30
Sep 2011
4
30
Sep 2012
5
30
Sep 2013
6
30
Sep 2014
7
30
Sep 2015
8
30
Sep 2016
9
30
Sep 2017
Dense Fog monthly extremes: most and fewest days with a value. 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
0
Sep 2025
2
0
Sep 2024
3
0
Sep 2023
4
0
Sep 2022
5
0
Sep 2021
6
0
Sep 2020
7
0
Sep 2019
8
0
Sep 2018
9
0
Sep 2017
Bottom monthly lowest
Rank
Value
Date
1
0
Sep 2009
2
0
Sep 2010
3
0
Sep 2011
4
0
Sep 2012
5
0
Sep 2013
6
0
Sep 2014
7
0
Sep 2015
8
0
Sep 2016
9
0
Sep 2017
Dense Fog 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
1
Sep 2024
2
1
Sep 2013
3
1
Sep 2011
4
0
Sep 2025
5
0
Sep 2023
6
0
Sep 2022
7
0
Sep 2021
8
0
Sep 2020
9
0
Sep 2019
Bottom monthly highest
Rank
Value
Date
1
0
Sep 2009
2
0
Sep 2010
3
0
Sep 2012
4
0
Sep 2014
5
0
Sep 2015
6
0
Sep 2016
7
0
Sep 2017
8
0
Sep 2018
9
0
Sep 2019
Dense Fog 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.