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 August 2020. For more information, please see Climatological Rankings.


Pennsylvania

Average Temperature Rankings, September 1921

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Warmest/Coolest
Since
Record
September 1921
1-Month
66.5°F
(19.2°C)
61.7°F
(16.5°C)
4.8°F
(2.7°C)
121st Coolest Coolest since: 1920 1918
5th Warmest Warmest to Date 1961
Aug–Sep 1921
2-Month
66.2°F
(19.0°C)
65.1°F
(18.4°C)
1.1°F
(0.6°C)
93rd Coolest Coolest since: 1920 1963
33rd Warmest Warmest since: 1911 2016
Ties: 1911, 1925, 1932, 1944, 1945
Jul–Sep 1921
3-Month
68.8°F
(20.4°C)
66.8°F
(19.3°C)
2.0°F
(1.1°C)
112th Coolest Coolest since: 1920 1924, 1962, 1963, 1976
14th Warmest Warmest since: 1901 2016
Ties: 1901, 1936, 1961
Jun–Sep 1921
4-Month
68.6°F
(20.3°C)
66.6°F
(19.2°C)
2.0°F
(1.1°C)
115th Coolest Coolest since: 1920 1924
11th Warmest Warmest since: 1900 2005, 2016
Ties: 1934
May–Sep 1921
5-Month
66.5°F
(19.2°C)
64.9°F
(18.3°C)
1.6°F
(0.9°C)
107th Coolest Coolest since: 1920 1924
19th Warmest Warmest since: 1911 2018
Ties: 1933, 1955, 1998
Apr–Sep 1921
6-Month
64.3°F
(17.9°C)
61.8°F
(16.6°C)
2.5°F
(1.3°C)
122nd Coolest Coolest since: 1920 1907, 1924
4th Warmest Warmest to Date 2010
Mar–Sep 1921
7-Month
61.6°F
(16.4°C)
58.1°F
(14.5°C)
3.5°F
(1.9°C)
124th Coolest Coolest since: 1920 1924
2nd Warmest Warmest to Date 2010
Ties: 2012
Feb–Sep 1921
8-Month
57.6°F
(14.2°C)
54.1°F
(12.3°C)
3.5°F
(1.9°C)
124th Coolest Coolest since: 1920 1924
2nd Warmest Warmest to Date 2012
Jan–Sep 1921
9-Month
54.3°F
(12.4°C)
50.9°F
(10.5°C)
3.4°F
(1.9°C)
123rd Coolest Coolest since: 1920 1940
3rd Warmest Warmest to Date 2012
Dec 1920–Sep 1921
10-Month
52.0°F
(11.1°C)
48.8°F
(9.3°C)
3.2°F
(1.8°C)
120th Coolest Coolest since: 1920 1904
5th Warmest Warmest to Date 2012
Nov 1920–Sep 1921
11-Month
50.7°F
(10.4°C)
47.9°F
(8.8°C)
2.8°F
(1.6°C)
119th Coolest Coolest since: 1920 1904
6th Warmest Warmest to Date 2012
Ties: 2017
Oct 1920–Sep 1921
12-Month
51.0°F
(10.6°C)
48.1°F
(8.9°C)
2.9°F
(1.7°C)
120th Coolest Coolest since: 1920 1904
5th Warmest Warmest to Date 2012
Ties: 1998
Apr 1920–Sep 1921
18-Month
54.2°F
(12.3°C)
52.7°F
(11.5°C)
1.5°F
(0.8°C)
113th Coolest Coolest since: 1920 1918
12th Warmest Warmest to Date 2012
Ties: 1949, 2000, 2010, 2013
Oct 1919–Sep 1921
24-Month
48.7°F
(9.3°C)
48.1°F
(8.9°C)
0.6°F
(0.4°C)
88th Coolest Coolest since: 1920 1905
36th Warmest Warmest since: 1901 2017
Ties: 1901, 1930, 1938, 1942, 1943
Oct 1918–Sep 1921
36-Month
49.1°F
(9.5°C)
48.1°F
(8.9°C)
1.0°F
(0.6°C)
97th Coolest Coolest since: 1920 1979
26th Warmest Warmest to Date 2018
Ties: 1923, 1987, 2003, 2016
Oct 1917–Sep 1921
48-Month
48.3°F
(9.1°C)
48.1°F
(8.9°C)
0.2°F
(0.2°C)
64th Coolest Coolest since: 1920 1907
58th Warmest Warmest since: 1901 2019
Ties: 1948, 1995
Oct 1916–Sep 1921
60-Month
47.9°F
(8.8°C)
48.1°F
(8.9°C)
-0.2°F
(-0.1°C)
36th Coolest Coolest since: 1920 1908
85th Warmest Warmest since: 1915 2002
Ties: 1910, 1915, 1944, 1960, 1984

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published September 2020, retrieved on September 25, 2020 from https://www.ncdc.noaa.gov/cag/