Historical Ranked Monthly Data for Sep - Maximum Dew Point / °C
Weather Variable:
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Top monthly mean
Rank
Value
Date
1
17.1
Sep 2023
2
15.8
Sep 2021
3
15.4
Sep 2016
4
14.9
Sep 2014
5
14.7
Sep 2024
6
14.3
Sep 2011
7
13.9
Sep 2013
8
13.7
Sep 2022
9
13.6
Sep 2019
Bottom monthly mean
Rank
Value
Date
1
11.6
Sep 2012
2
12.5
Sep 2015
3
12.6
Sep 2018
4
12.8
Sep 2009
5
12.9
Sep 2025
6
13.0
Sep 2010
7
13.1
Sep 2017
8
13.6
Sep 2020
9
13.6
Sep 2019
Maximum 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
11.4
Sep 2021
2
11.2
Sep 2023
3
10.0
Sep 2015
4
9.9
Sep 2016
5
9.8
Sep 2017
6
9.8
Sep 2013
7
9.8
Sep 2011
8
9.7
Sep 2014
9
9.3
Sep 2009
Bottom monthly lowest
Rank
Value
Date
1
5.0
Sep 2022
2
6.0
Sep 2010
3
6.2
Sep 2012
4
6.8
Sep 2018
5
7.3
Sep 2020
6
7.7
Sep 2025
7
8.4
Sep 2024
8
8.9
Sep 2019
9
9.3
Sep 2009
Maximum 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
22.2
Sep 2023
2
21.1
Sep 2024
3
19.8
Sep 2016
4
19.4
Sep 2020
5
19.3
Sep 2013
6
19.0
Sep 2021
7
19.0
Sep 2014
8
18.6
Sep 2017
9
18.6
Sep 2011
Bottom monthly highest
Rank
Value
Date
1
15.6
Sep 2015
2
16.0
Sep 2012
3
16.7
Sep 2010
4
17.7
Sep 2018
5
17.7
Sep 2019
6
17.8
Sep 2009
7
18.0
Sep 2025
8
18.2
Sep 2022
9
18.6
Sep 2011
Maximum 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.