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 November 2019. For more information, please see Climatological Rankings.


Pennsylvania

Average Temperature Rankings, September 1991

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1991
1-Month
60.9°F
(16.1°C)
61.7°F
(16.5°C)
-0.8°F
(-0.4°C)
39th Coolest Coolest since: 1990 1918
87th Warmest Warmest since: 1989 1961
Ties: 1958
Aug–Sep 1991
2-Month
65.8°F
(18.8°C)
65.0°F
(18.3°C)
0.8°F
(0.5°C)
81st Coolest Coolest since: 1990 1963
45th Warmest Warmest since: 1988 2016
Ties: 1988
Jul–Sep 1991
3-Month
67.9°F
(19.9°C)
66.9°F
(19.4°C)
1.0°F
(0.5°C)
95th Coolest Coolest since: 1990 1924, 1962, 1963, 1976
31st Warmest Warmest since: 1988 2016
Ties: 1934, 1968, 1973, 2007
Jun–Sep 1991
4-Month
68.0°F
(20.0°C)
66.6°F
(19.2°C)
1.4°F
(0.8°C)
103rd Coolest Coolest since: 1990 1924
23rd Warmest Warmest since: 1973 2005, 2016
Ties: 1939, 1952, 1973
May–Sep 1991
5-Month
67.3°F
(19.6°C)
64.8°F
(18.2°C)
2.5°F
(1.4°C)
120th Coolest Coolest since: 1990 1924
6th Warmest Warmest since: 1900 2018
Ties: 2015
Apr–Sep 1991
6-Month
64.4°F
(18.0°C)
61.8°F
(16.6°C)
2.6°F
(1.4°C)
123rd Coolest Coolest since: 1990 1907, 1924
3rd Warmest Warmest to Date 2010
Mar–Sep 1991
7-Month
60.8°F
(16.0°C)
58.1°F
(14.5°C)
2.7°F
(1.5°C)
121st Coolest Coolest since: 1990 1924
5th Warmest Warmest since: 1921 2010
Feb–Sep 1991
8-Month
57.3°F
(14.1°C)
54.2°F
(12.3°C)
3.1°F
(1.8°C)
123rd Coolest Coolest since: 1990 1924
3rd Warmest Warmest since: 1921 2012
Ties: 2016
Jan–Sep 1991
9-Month
53.9°F
(12.2°C)
51.0°F
(10.6°C)
2.9°F
(1.6°C)
121st Coolest Coolest since: 1990 1940
5th Warmest Warmest since: 1921 2012
Dec 1990–Sep 1991
10-Month
51.9°F
(11.1°C)
48.7°F
(9.3°C)
3.2°F
(1.8°C)
119th Coolest Coolest since: 1990 1904
6th Warmest Warmest since: 1921 2012
Nov 1990–Sep 1991
11-Month
51.1°F
(10.6°C)
47.9°F
(8.8°C)
3.2°F
(1.8°C)
121st Coolest Coolest since: 1990 1904
4th Warmest Warmest to Date 2012
Oct 1990–Sep 1991
12-Month
51.3°F
(10.7°C)
48.1°F
(8.9°C)
3.2°F
(1.8°C)
121st Coolest Coolest since: 1990 1904
4th Warmest Warmest to Date 2012
Apr 1990–Sep 1991
18-Month
54.7°F
(12.6°C)
52.7°F
(11.5°C)
2.0°F
(1.1°C)
119th Coolest Coolest since: 1990 1918
6th Warmest Warmest since: 1932 2012
Ties: 1999, 2006
Oct 1989–Sep 1991
24-Month
50.0°F
(10.0°C)
48.1°F
(8.9°C)
1.9°F
(1.1°C)
117th Coolest Coolest since: 1990 1905
7th Warmest Warmest since: 1933 2017
Ties: 2002, 2016
Oct 1988–Sep 1991
36-Month
49.4°F
(9.7°C)
48.1°F
(8.9°C)
1.3°F
(0.8°C)
109th Coolest Coolest since: 1990 1979
14th Warmest Warmest since: 1955 2018
Ties: 1932, 1955, 1992, 2001, 2004, 2010
Oct 1987–Sep 1991
48-Month
49.2°F
(9.6°C)
48.1°F
(8.9°C)
1.1°F
(0.7°C)
103rd Coolest Coolest since: 1990 1907
19th Warmest Warmest since: 1955 2019
Ties: 1932, 2003, 2016
Oct 1986–Sep 1991
60-Month
49.2°F
(9.6°C)
48.1°F
(8.9°C)
1.1°F
(0.7°C)
103rd Coolest Coolest since: 1990 1908
18th Warmest Warmest since: 1933 2002
Ties: 1999, 2000, 2004, 2005, 2007

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published December 2019, retrieved on December 14, 2019 from https://www.ncdc.noaa.gov/cag/