Historical Ranked Monthly Data for Sep - Mean Dew Point / °C
Weather Variable:
Top monthly mean
Rank
Value
Date
1
14.8
Sep 2023
2
13.5
Sep 2021
3
13.1
Sep 2016
4
12.4
Sep 2024
5
12.2
Sep 2014
6
11.8
Sep 2022
7
11.6
Sep 2011
8
11.3
Sep 2020
9
11.1
Sep 2019
Bottom monthly mean
Rank
Value
Date
1
8.5
Sep 2012
2
9.3
Sep 2015
3
10.2
Sep 2018
4
10.4
Sep 2009
5
10.4
Sep 2025
6
10.4
Sep 2010
7
10.7
Sep 2017
8
10.8
Sep 2013
9
11.1
Sep 2019
Mean Dew Point 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
8.9
Sep 2023
2
7.8
Sep 2017
3
7.7
Sep 2021
4
7.6
Sep 2014
5
7.4
Sep 2016
6
7.4
Sep 2009
7
7.3
Sep 2011
8
6.5
Sep 2019
9
6.5
Sep 2015
Bottom monthly lowest
Rank
Value
Date
1
3.4
Sep 2012
2
3.6
Sep 2022
3
3.8
Sep 2010
4
4.7
Sep 2013
5
4.8
Sep 2025
6
5.1
Sep 2020
7
5.4
Sep 2018
8
5.9
Sep 2024
9
6.5
Sep 2015
Mean Dew Point 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
19.0
Sep 2016
2
18.7
Sep 2023
3
17.9
Sep 2024
4
16.6
Sep 2021
5
16.3
Sep 2020
6
16.3
Sep 2022
7
16.3
Sep 2014
8
15.9
Sep 2011
9
15.9
Sep 2025
Bottom monthly highest
Rank
Value
Date
1
12.1
Sep 2015
2
13.5
Sep 2012
3
14.3
Sep 2010
4
15.0
Sep 2019
5
15.2
Sep 2009
6
15.5
Sep 2013
7
15.6
Sep 2018
8
15.7
Sep 2017
9
15.9
Sep 2025
Mean Dew Point 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.