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 1990

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1990
1-Month
60.8°F
(16.0°C)
61.7°F
(16.5°C)
-0.9°F
(-0.5°C)
38th Coolest Coolest since: 1988 1918
89th Warmest Warmest since: 1989 1961
Aug–Sep 1990
2-Month
64.5°F
(18.1°C)
65.0°F
(18.3°C)
-0.5°F
(-0.2°C)
42nd Coolest Coolest since: 1986 1963
85th Warmest Warmest since: 1989 2016
Jul–Sep 1990
3-Month
66.3°F
(19.1°C)
66.8°F
(19.3°C)
-0.5°F
(-0.2°C)
36th Coolest Coolest since: 1986 1924, 1962, 1963, 1976
91st Warmest Warmest since: 1989 2016
Ties: 1897, 1912, 1913, 1954, 1986, 1994
Jun–Sep 1990
4-Month
66.2°F
(19.0°C)
66.6°F
(19.2°C)
-0.4°F
(-0.2°C)
40th Coolest Coolest since: 1986 1924
87th Warmest Warmest since: 1989 2005, 2016
Ties: 1896, 1913, 1981, 1986
May–Sep 1990
5-Month
64.0°F
(17.8°C)
64.8°F
(18.2°C)
-0.8°F
(-0.4°C)
23rd Coolest Coolest since: 1984 1924
104th Warmest Warmest since: 1989 2018
Ties: 1902, 1909, 1926, 1929
Apr–Sep 1990
6-Month
61.5°F
(16.4°C)
61.8°F
(16.6°C)
-0.3°F
(-0.2°C)
37th Coolest Coolest since: 1989 1907, 1924
90th Warmest Warmest since: 1988 2010
Ties: 1914, 1929
Mar–Sep 1990
7-Month
58.4°F
(14.7°C)
58.1°F
(14.5°C)
0.3°F
(0.2°C)
59th Coolest Coolest since: 1989 1924
68th Warmest Warmest since: 1988 2010
Ties: 1906, 1941, 1970, 2009
Feb–Sep 1990
8-Month
55.4°F
(13.0°C)
54.2°F
(12.3°C)
1.2°F
(0.7°C)
99th Coolest Coolest since: 1989 1924
28th Warmest Warmest since: 1987 2012
Ties: 1925, 1933, 2006
Jan–Sep 1990
9-Month
53.0°F
(11.7°C)
50.9°F
(10.5°C)
2.1°F
(1.2°C)
115th Coolest Coolest since: 1989 1940
12th Warmest Warmest since: 1949 2012
Ties: 1933
Dec 1989–Sep 1990
10-Month
49.5°F
(9.7°C)
48.8°F
(9.3°C)
0.7°F
(0.4°C)
83rd Coolest Coolest since: 1989 1904
43rd Warmest Warmest since: 1987 2012
Ties: 1922, 1944, 2004
Nov 1989–Sep 1990
11-Month
48.5°F
(9.2°C)
47.9°F
(8.8°C)
0.6°F
(0.4°C)
80th Coolest Coolest since: 1989 1904
46th Warmest Warmest since: 1988 2012
Ties: 1903, 1906, 1922, 1937
Oct 1989–Sep 1990
12-Month
48.7°F
(9.3°C)
48.1°F
(8.9°C)
0.6°F
(0.4°C)
82nd Coolest Coolest since: 1989 1904
44th Warmest Warmest since: 1987 2012
Ties: 1903, 1906, 1922, 1931, 1937, 1974
Apr 1989–Sep 1990
18-Month
52.9°F
(11.6°C)
52.7°F
(11.5°C)
0.2°F
(0.1°C)
69th Coolest Coolest since: 1984 1918
57th Warmest Warmest since: 1989 2012
Ties: 1934, 1973, 2009, 2015
Oct 1988–Sep 1990
24-Month
48.5°F
(9.2°C)
48.2°F
(9.0°C)
0.3°F
(0.2°C)
75th Coolest Coolest since: 1989 1905
50th Warmest Warmest since: 1988 2017
Ties: 1947, 1984
Oct 1987–Sep 1990
36-Month
48.4°F
(9.1°C)
48.1°F
(8.9°C)
0.3°F
(0.2°C)
71st Coolest Coolest since: 1986 1979
53rd Warmest Warmest since: 1989 2018
Ties: 1898, 1935, 1943, 1947, 1986
Oct 1986–Sep 1990
48-Month
48.6°F
(9.2°C)
48.1°F
(8.9°C)
0.5°F
(0.3°C)
77th Coolest Coolest since: 1987 1907
46th Warmest Warmest since: 1989 2019
Ties: 1901, 1931, 1987
Oct 1985–Sep 1990
60-Month
48.7°F
(9.3°C)
48.1°F
(8.9°C)
0.6°F
(0.4°C)
84th Coolest Coolest since: 1988 1908
38th Warmest Warmest since: 1989 2020
Ties: 1923, 1949, 1950, 1951, 1952, 1994

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 22, 2020 from https://www.ncdc.noaa.gov/cag/