Historical Ranked Monthly Data for Sep - Sun Hours / hrs
Weather Variable:
Top monthly total
Rank
Value
Date
1
202
Sep 2025
2
188
Sep 2018
3
181
Sep 2020
4
174
Sep 2012
5
164
Sep 2023
6
162
Sep 2019
7
160
Sep 2011
8
139
Sep 2021
9
138
Sep 2015
Bottom monthly total
Rank
Value
Date
1
111
Sep 2013
2
115
Sep 2017
3
117
Sep 2016
4
120
Sep 2024
5
122
Sep 2022
6
126
Sep 2010
7
128
Sep 2014
8
129
Sep 2009
9
138
Sep 2015
Sun Hours monthly extremes: highest and lowest monthly totals. There are 17 valid months for the chosen period from 2009 to present for Sep in London, NW3.
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
Sun Hours 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
0.1
Sep 2023
2
0
Sep 2025
3
0
Sep 2024
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
Sun Hours 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
Sep 2018
2
12
Sep 2013
3
12
Sep 2010
4
12
Sep 2021
5
12
Sep 2012
6
12
Sep 2016
7
12
Sep 2014
8
12
Sep 2020
9
12
Sep 2019
Bottom monthly highest
Rank
Value
Date
1
10
Sep 2009
2
11
Sep 2011
3
11
Sep 2025
4
11
Sep 2015
5
11
Sep 2017
6
11
Sep 2022
7
11
Sep 2024
8
12
Sep 2023
9
12
Sep 2019
Sun Hours 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.