Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of September 2020. For more information, please see Climatological Rankings.


Pennsylvania

Average Temperature Rankings, September 1901

View Period (Months):All1234567891011121824364860
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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1901
1-Month
61.7°F
(16.5°C)
61.7°F
(16.5°C)
0.0°F
(0.0°C)
52nd Coolest Coolest since: 1899 1918
75th Warmest Warmest since: 1900 1961
Ties: 1904, 1942, 1987, 1989, 2003
Aug–Sep 1901
2-Month
65.9°F
(18.8°C)
65.0°F
(18.3°C)
0.9°F
(0.5°C)
83rd Coolest Coolest since: 1899 1963
44th Warmest Warmest since: 1900 2016
Ties: 2012
Jul–Sep 1901
3-Month
68.8°F
(20.4°C)
66.8°F
(19.3°C)
2.0°F
(1.1°C)
112th Coolest Coolest since: 1899 1924, 1962, 1963, 1976
15th Warmest Warmest since: 1900 2016
Ties: 1921, 1936, 1961
Jun–Sep 1901
4-Month
68.4°F
(20.2°C)
66.6°F
(19.2°C)
1.8°F
(1.0°C)
113th Coolest Coolest since: 1899 1924
14th Warmest Warmest since: 1900 2005, 2016
Ties: 1906, 2019
May–Sep 1901
5-Month
66.2°F
(19.0°C)
64.9°F
(18.3°C)
1.3°F
(0.7°C)
99th Coolest Coolest since: 1899 1924
28th Warmest Warmest since: 1900 2018
Ties: 1930
Apr–Sep 1901
6-Month
62.6°F
(17.0°C)
61.8°F
(16.6°C)
0.8°F
(0.4°C)
82nd Coolest Coolest since: 1897 1907, 1924
45th Warmest Warmest since: 1900 2010
Ties: 1895
Mar–Sep 1901
7-Month
58.7°F
(14.8°C)
58.1°F
(14.5°C)
0.6°F
(0.3°C)
78th Coolest Coolest since: 1899 1924
49th Warmest Warmest since: 1900 2010
Ties: 1913, 1952, 1957, 2008
Feb–Sep 1901
8-Month
53.7°F
(12.1°C)
54.1°F
(12.3°C)
-0.4°F
(-0.2°C)
37th Coolest Coolest since: 1897 1924
90th Warmest Warmest since: 1900 2012
Ties: 1897, 1927, 1964, 1975, 1994
Jan–Sep 1901
9-Month
50.7°F
(10.4°C)
51.0°F
(10.6°C)
-0.3°F
(-0.2°C)
50th Coolest Coolest since: 1899 1940
77th Warmest Warmest since: 1900 2012
Ties: 1947, 1964
Dec 1900–Sep 1901
10-Month
48.5°F
(9.2°C)
48.8°F
(9.3°C)
-0.3°F
(-0.1°C)
47th Coolest Coolest since: 1899 1904
79th Warmest Warmest since: 1900 2012
Ties: 1950, 1972
Nov 1900–Sep 1901
11-Month
47.8°F
(8.8°C)
47.9°F
(8.8°C)
-0.1°F
(0.0°C)
52nd Coolest Coolest since: 1899 1904
74th Warmest Warmest since: 1900 2012
Ties: 1911, 1992, 2001, 2015
Oct 1900–Sep 1901
12-Month
48.5°F
(9.2°C)
48.1°F
(8.9°C)
0.4°F
(0.3°C)
72nd Coolest Coolest since: 1899 1904
54th Warmest Warmest since: 1900 2012
Apr 1900–Sep 1901
18-Month
53.7°F
(12.1°C)
52.7°F
(11.5°C)
1.0°F
(0.6°C)
99th Coolest Coolest since: 1900 1918
27th Warmest Warmest to Date 2012
Ties: 1933
Oct 1899–Sep 1901
24-Month
48.7°F
(9.3°C)
48.2°F
(9.0°C)
0.5°F
(0.3°C)
88th Coolest Coolest since: 1900 1905
37th Warmest Warmest to Date 2017
Ties: 1921, 1930, 1938, 1942, 1943
Oct 1898–Sep 1901
36-Month
48.3°F
(9.1°C)
48.1°F
(8.9°C)
0.2°F
(0.2°C)
58th Coolest Coolest since: 1899 1979
66th Warmest Warmest since: 1900 2018
Ties: 1899, 1915, 1938, 1948, 1973, 1995, 2015
Oct 1897–Sep 1901
48-Month
48.6°F
(9.2°C)
48.1°F
(8.9°C)
0.5°F
(0.3°C)
77th Coolest Coolest since: 1900 1907
46th Warmest Warmest to Date 2019
Ties: 1931, 1987, 1990
Oct 1896–Sep 1901
60-Month
48.4°F
(9.1°C)
48.1°F
(8.9°C)
0.3°F
(0.2°C)
72nd Coolest Coolest since: 1900 1908
50th Warmest Warmest to Date 2020
Ties: 1922, 1939, 1945, 1946, 1975

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 24, 2020 from https://www.ncdc.noaa.gov/cag/