The 30 days to Wednesday brought 7.40 in of precipitation in Philadelphia Center City, PA, the driest 30 days to 30 September since 2016 (2017 excluded: 5 of 30 days missing; 2019 excluded: 6 of 30 days missing; 2020 excluded: 5 of 30 days missing; 5 more years excluded for missing days), 44th driest of 49.
Last updated . This page normally updates every day; the latest update is late.
Wednesday 30 September 2026: a high of 73°F in Philadelphia Center City, PA, the warmest 30 September since 2025, tied 34th warmest of 86 (with 2017, 1987, 1973 and 1 other year).
Wednesday 30 September 2026: a low of 60°F in Philadelphia Center City, PA, the warmest 30 September night since 2025, tied 22nd warmest of 86 (with 2023, 2008, 2002 and 4 other years).
No measurable precipitation in Philadelphia Center City, PA for 1 day to Wednesday 30 September 2026.
Every year on this date
Every 30 September high in Philadelphia Center City, PA since 1940: 73°F in 2026; the highest is 88°F, in 1986.Every 30 September low in Philadelphia Center City, PA since 1940: 60°F in 2026; the lowest is 43°F, in 1947.
Above the normal range
In it
Below it
Normal range
This year and the extreme
Every year as a table
Year
High, °F
Low, °F
2026
73
60
2025
87
62
2024
67
62
2023
67
60
2022
74
52
2021
72
55
2020
77
58
2019
81
64
2018
78
57
2017
73
55
2016
64
59
2015
84
73
2014
76
65
2013
72
54
2012
65
57
2011
78
57
2010
77
67
2009
63
49
2008
74
60
2007
79
58
2006
65
57
2005
75
51
2003
67
50
2002
79
60
2001
56
50
2000
70
45
1999
71
57
1998
81
64
1997
74
63
1996
75
55
1995
72
52
1994
68
51
1993
59
46
1992
55
45
1991
68
48
1990
78
62
1989
72
59
1988
72
57
1987
73
61
1986
88
68
1985
77
61
1984
71
54
1983
65
58
1982
66
60
1981
67
52
1980
77
61
1979
68
59
1978
71
49
1977
75
60
1976
61
56
1975
77
57
1974
66
54
1973
73
57
1972
71
56
1971
76
65
1970
66
53
1969
73
54
1968
75
56
1967
68
55
1966
76
61
1965
64
59
1964
59
56
1963
69
48
1962
72
52
1961
74
54
1960
81
62
1959
84
70
1958
65
51
1957
64
55
1956
66
60
1955
74
57
1954
84
70
1953
86
63
1952
84
62
1951
67
47
1950
74
60
1949
69
53
1948
72
62
1947
60
43
1946
67
52
1945
56
49
1944
59
53
1943
60
53
1942
65
45
1941
67
50
1940
62
55
The 20 warmest 30 September highs in Philadelphia Center City, PA since 1940.
Rank
Year
Value
1
1986
88°F
2
2025
87°F
3
1953
86°F
4
2015
84°F
4
1959
84°F
4
1954
84°F
4
1952
84°F
8
2019
81°F
8
1998
81°F
8
1960
81°F
11
2007
79°F
11
2002
79°F
13
2018
78°F
13
2011
78°F
13
1990
78°F
16
2020
77°F
16
2010
77°F
16
1985
77°F
16
1980
77°F
16
1975
77°F
The 20 coldest 30 September lows in Philadelphia Center City, PA since 1940.
Rank
Year
Value
1
1947
43°F
2
2000
45°F
2
1992
45°F
2
1942
45°F
5
1993
46°F
6
1951
47°F
7
1991
48°F
7
1963
48°F
9
2009
49°F
9
1978
49°F
9
1945
49°F
12
2003
50°F
12
2001
50°F
12
1941
50°F
15
2005
51°F
15
1994
51°F
15
1958
51°F
18
2022
52°F
18
1995
52°F
18
1981
52°F
The 20 wettest 30 September days in Philadelphia Center City, PA since 1940.
Rank
Year
Value
1
2015
1.67 in
2
2010
1.17 in
3
1976
0.91 in
4
1946
0.57 in
5
2008
0.49 in
6
2001
0.48 in
7
2006
0.34 in
8
2011
0.29 in
9
1948
0.20 in
10
1955
0.15 in
11
2014
0.08 in
11
1944
0.08 in
13
1964
0.05 in
14
1957
0.04 in
15
2023
0.03 in
16
1954
0.02 in
17
2004
0.01 in
17
1997
0.01 in
17
1951
0.01 in
20
2019
trace
This month, season and year so far
September 2026 averaged 73.3°F in Philadelphia Center City, PA (1 day missing), the warmest September since 2019, 12th warmest of 86.
September 2026 brought 7.40 in of precipitation in Philadelphia Center City, PA, the wettest September since 2018 (2019 excluded: 6 of 30 days missing; 2020 excluded: 5 of 30 days missing; 2021 excluded: 6 of 30 days missing; 4 more years excluded for missing days), 6th wettest of 49.
Fall 2026 so far averaged 73.3°F in Philadelphia Center City, PA (1 day missing), the warmest 1 to 30 September since 2019, 12th warmest of 86.
Fall 2026 so far brought 7.40 in of precipitation in Philadelphia Center City, PA, the wettest 1 to 30 September since 2018 (2019 excluded: 6 of 30 days missing; 2020 excluded: 5 of 30 days missing; 2021 excluded: 6 of 30 days missing; 4 more years excluded for missing days), 6th wettest of 49.
2026 so far averaged 61.9°F in Philadelphia Center City, PA (14 days missing), the warmest 1 January to 30 September since 2024, 11th warmest of 85.
Daily highs and lows in Philadelphia Center City, PA, 1 to 30 September 2026, with each date's record range and its 1991 to 2020 normal range.
High
Low
Normal range
Record range
Every day as a table
Day
High, °F
Low, °F
Record high
Record high year
Record low
Record low year
Normal high
Normal low
84
73
98
2018
56
1967
87
68
94
74
99
1953
55
1958
85
68
77
70
98
1953
55
1967
85
67
90
71
97
2018
53
1997
86
70
89
73
97
2023
54
1994
84
66.5
85
65
101
1983
51
1962
83
64
82
65
96
2023
54
2000
86
66
83
66
99
2023
54
1951
84
67
87
64
96
2023
53
1956
86
66.5
91
81
102
1983
51
1956
81.5
66.5
91
75
101
1983
52
1993
77
64.5
84
74
94
2005
51
1993
80
63
85
66
98
2005
51
1985
83
64
85
70
93
2016
49
1975
80.5
65
78
59
93
1970
50
2011
78.5
64
80
64
96
1970
49
1966
76.5
61.5
84
70
93
1942
47
1959
78
61.5
85
70
92
1965
47
1990
79
62
87
73
95
1983
47
1959
77
59
77
65
92
1983
44
1993
77
61
77
65
94
1965
43
1962
79
62
75
65
95
1970
47
1963
79
62
66
58
97
1970
43
1947
75
60
69
56
96
1970
43
1963
76
60
66
53
95
1970
43
1950
73.5
60.5
74
57
92
1970
44
1947
75.5
59.5
93
1998
40
1947
77
61
73
53
89
2017
43
1947
77
61
69
59
87
2025
43
1942
74.5
57.5
73
60
88
1986
43
1947
73
57
Every year's September in Philadelphia Center City, PA, ranked by its mean temperature: September 2026 is the 12th warmest of 86.
Above the normal range
Above the normal
Below the normal
Below the normal range
Normal range
Every year, ranked, as a table
Rank
Year
Mean, °F
1
2005
77
2
1961
75.3
3
2015
74.8
4
1970
74.7
5
2019
74.6
6
1998
74.5
7
2002
74.1
8
2018
74
9
1983
73.9
10
1985
73.6
11
2010
73.5
12
2026
73.3
13
2021
73.1
13
1980
73.1
15
2025
73
15
1973
73
15
1968
73
15
1959
73
19
2017
72.6
20
2022
72.3
21
1971
72.2
22
2007
72.1
23
2023
71.8
23
2003
71.8
25
2008
71.7
26
2011
71.6
27
2004
71.5
28
1972
71.4
28
1946
71.4
30
2024
71.3
30
1999
71.3
30
1965
71.3
30
1941
71.3
34
2014
71.2
35
2012
71.1
35
1969
71.1
37
1957
70.9
37
1953
70.9
37
1945
70.9
40
2020
70.7
41
1995
70.6
42
1989
70.1
42
1977
70.1
44
1996
70
44
1944
70
46
1960
69.9
46
1954
69.9
46
1952
69.9
49
1987
69.8
50
2001
69.7
50
1997
69.7
50
1986
69.7
53
1942
69.5
54
1951
69.4
54
1948
69.4
56
1976
69.2
56
1964
69.2
56
1947
69.2
59
2013
69.1
60
1955
69
61
1994
68.9
61
1991
68.9
61
1966
68.9
64
1984
68.8
64
1982
68.8
64
1981
68.8
64
1967
68.8
68
1990
68.4
68
1988
68.4
70
2006
68.2
71
2009
68.1
72
2000
68
72
1979
68
72
1943
68
75
1993
67.9
76
1992
67.8
76
1974
67.8
78
1978
67.6
78
1958
67.6
80
1940
67.3
81
1975
67.1
82
1956
66.9
83
1949
66.6
84
1963
65.7
84
1962
65.7
86
1950
64.8
This year so far
Philadelphia Center City, PA has had 47 days at 90°F or above in 2026 through 30 September (10 days missing), the most by that date since 2024, tied 12th most of 85 (with 1999 and 1966).
Philadelphia Center City, PA has had 4 days at 100°F or above in 2026 through 30 September (10 days missing), the most by that date since 2025, tied 5th most of 85 (with 1999 and 1966).
Philadelphia Center City, PA has had 46 freezing nights (a low of 32°F or below) in 2026 through 30 September (11 days missing), the most by that date since 2025, tied 46th most of 85 (with 2021, 2018, 2016 and 8 other years).
Records of the coming dates
Philadelphia Center City, PA on 5 October: record high 94°F (1941), record low 38°F (1965).
Philadelphia Center City, PA on 6 October: record high 93°F (1941), record low 34°F (2008).
The station
Daily records for Philadelphia Center City, PA run from 1940 to 30 September 2026, with 245 days missing; current station PHILADELPHIA FRANKLIN INSTITUTE.
Our calculation from NOAA records for Philadelphia Center City, PA, 1940 to 2026. Preliminary until NOAA's final data.