Historical Ranked Monthly Data for Sep - Mean Wind Speed / mph
Weather Variable:
Top monthly mean
Rank
Value
Date
1
5.6
Sep 2016
2
5.1
Sep 2011
3
5.1
Sep 2025
4
4.8
Sep 2009
5
4.7
Sep 2012
6
4.6
Sep 2010
7
4.6
Sep 2019
8
4.5
Sep 2018
9
4.4
Sep 2017
Bottom monthly mean
Rank
Value
Date
1
2.8
Sep 2014
2
2.9
Sep 2021
3
3.1
Sep 2020
4
3.5
Sep 2022
5
3.5
Sep 2015
6
3.5
Sep 2013
7
3.9
Sep 2024
8
4.3
Sep 2023
9
4.4
Sep 2017
Mean Wind Speed 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
1.8
Sep 2011
2
1.8
Sep 2012
3
1.6
Sep 2016
4
1.5
Sep 2010
5
1.3
Sep 2023
6
1.3
Sep 2019
7
1.3
Sep 2015
8
1.2
Sep 2022
9
1.2
Sep 2013
Bottom monthly lowest
Rank
Value
Date
1
0.3
Sep 2020
2
0.3
Sep 2024
3
0.4
Sep 2021
4
0.7
Sep 2017
5
0.7
Sep 2025
6
0.8
Sep 2014
7
0.9
Sep 2018
8
1.1
Sep 2009
9
1.2
Sep 2013
Mean Wind Speed 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
12.2
Sep 2025
2
11.4
Sep 2016
3
10.8
Sep 2011
4
10.6
Sep 2018
5
10.5
Sep 2023
6
10.2
Sep 2017
7
9.8
Sep 2009
8
9.2
Sep 2012
9
8.3
Sep 2024
Bottom monthly highest
Rank
Value
Date
1
5.0
Sep 2014
2
5.9
Sep 2015
3
6.1
Sep 2022
4
6.2
Sep 2013
5
6.8
Sep 2020
6
7.7
Sep 2010
7
7.9
Sep 2021
8
8.0
Sep 2019
9
8.3
Sep 2024
Mean Wind Speed 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.