Historical Ranked Monthly Data for Sep - Maximum Temperature / °C
Weather Variable:
Top monthly mean
Rank
Value
Date
1
23.2
Sep 2023
2
21.5
Sep 2016
3
20.8
Sep 2021
4
20.4
Sep 2011
5
20.4
Sep 2020
6
20.1
Sep 2014
7
20.1
Sep 2018
8
19.8
Sep 2019
9
19.6
Sep 2025
Bottom monthly mean
Rank
Value
Date
1
17.4
Sep 2015
2
18.3
Sep 2010
3
18.4
Sep 2017
4
18.5
Sep 2013
5
18.9
Sep 2012
6
19.1
Sep 2024
7
19.3
Sep 2022
8
19.3
Sep 2009
9
19.6
Sep 2025
Maximum Temperature 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
17.5
Sep 2014
2
17.0
Sep 2023
3
16.3
Sep 2011
4
16.0
Sep 2016
5
15.8
Sep 2019
6
15.5
Sep 2009
7
15.4
Sep 2025
8
14.9
Sep 2021
9
14.7
Sep 2017
Bottom monthly lowest
Rank
Value
Date
1
11.6
Sep 2020
2
11.9
Sep 2012
3
12.4
Sep 2024
4
12.9
Sep 2013
5
13.1
Sep 2022
6
13.4
Sep 2010
7
13.8
Sep 2018
8
14.2
Sep 2015
9
14.7
Sep 2017
Maximum Temperature 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
32.0
Sep 2016
2
31.7
Sep 2023
3
29.1
Sep 2020
4
28.4
Sep 2021
5
28.1
Sep 2013
6
27.6
Sep 2012
7
27.4
Sep 2024
8
27.4
Sep 2011
9
27.1
Sep 2009
Bottom monthly highest
Rank
Value
Date
1
20.8
Sep 2015
2
22.4
Sep 2017
3
22.9
Sep 2010
4
24.2
Sep 2014
5
24.8
Sep 2018
6
25.2
Sep 2019
7
25.8
Sep 2022
8
26.8
Sep 2025
9
27.1
Sep 2009
Maximum Temperature 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.