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 1899

View Period (Months):All12345678910111218243648
Download: xml csv json
  • Record Coolest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
September 1899
1-Month
59.9°F
(15.5°C)
61.7°F
(16.5°C)
-1.8°F
(-1.0°C)
23rd Coolest Coolest to Date 1918
104th Warmest Warmest since: 1898 1961
Aug–Sep 1899
2-Month
64.7°F
(18.2°C)
65.0°F
(18.3°C)
-0.3°F
(-0.1°C)
48th Coolest Coolest since: 1897 1963
79th Warmest Warmest since: 1898 2016
Ties: 1979, 2014
Jul–Sep 1899
3-Month
66.7°F
(19.3°C)
66.9°F
(19.4°C)
-0.2°F
(-0.1°C)
53rd Coolest Coolest since: 1897 1924, 1962, 1963, 1976
74th Warmest Warmest since: 1898 2016
Ties: 1905, 1943, 1969, 1985, 1989
Jun–Sep 1899
4-Month
67.1°F
(19.5°C)
66.6°F
(19.2°C)
0.5°F
(0.3°C)
73rd Coolest Coolest since: 1897 1924
54th Warmest Warmest since: 1898 2005, 2016
Ties: 1922, 1932, 1941, 1953
May–Sep 1899
5-Month
65.6°F
(18.7°C)
64.9°F
(18.3°C)
0.7°F
(0.4°C)
84th Coolest Coolest since: 1897 1924
43rd Warmest Warmest since: 1898 2018
Apr–Sep 1899
6-Month
62.7°F
(17.1°C)
61.8°F
(16.6°C)
0.9°F
(0.5°C)
87th Coolest Coolest since: 1897 1907, 1924
40th Warmest Warmest since: 1898 2010
Ties: 1908, 1952, 1980, 2013
Mar–Sep 1899
7-Month
58.6°F
(14.8°C)
58.1°F
(14.5°C)
0.5°F
(0.3°C)
73rd Coolest Coolest since: 1897 1924
54th Warmest Warmest since: 1898 2010
Ties: 1918, 1925, 1929, 1946, 1968, 1983, 2013
Feb–Sep 1899
8-Month
53.8°F
(12.1°C)
54.2°F
(12.3°C)
-0.4°F
(-0.2°C)
43rd Coolest Coolest since: 1897 1924
84th Warmest Warmest since: 1898 2012
Ties: 1915, 1997
Jan–Sep 1899
9-Month
50.5°F
(10.3°C)
51.0°F
(10.6°C)
-0.5°F
(-0.3°C)
40th Coolest Coolest since: 1897 1940
87th Warmest Warmest since: 1898 2012
Ties: 1960, 1992
Dec 1898–Sep 1899
10-Month
48.2°F
(9.0°C)
48.8°F
(9.3°C)
-0.6°F
(-0.3°C)
39th Coolest Coolest since: 1897 1904
87th Warmest Warmest since: 1898 2012
Ties: 1981
Nov 1898–Sep 1899
11-Month
47.2°F
(8.4°C)
47.9°F
(8.8°C)
-0.7°F
(-0.4°C)
29th Coolest Coolest to Date 1904
97th Warmest Warmest since: 1898 2012
Ties: 1914, 1916, 1923, 1968, 2003
Oct 1898–Sep 1899
12-Month
47.6°F
(8.7°C)
48.2°F
(9.0°C)
-0.6°F
(-0.3°C)
31st Coolest Coolest since: 1897 1904
95th Warmest Warmest since: 1898 2012
Ties: 1897, 1916, 1934, 1965, 1966
Apr 1898–Sep 1899
18-Month
52.7°F
(11.5°C)
52.7°F
(11.5°C)
0.0°F
(0.0°C)
50th Coolest Coolest since: 1896 1918
76th Warmest Warmest since: 1898 2012
Ties: 1896, 1923, 1969, 1980
Oct 1897–Sep 1899
24-Month
48.6°F
(9.2°C)
48.1°F
(8.9°C)
0.5°F
(0.3°C)
82nd Coolest Coolest since: 1898 1905
43rd Warmest Warmest since: 1898 2017
Ties: 1898, 1914, 1934, 1952, 1973, 1976
Oct 1896–Sep 1899
36-Month
48.3°F
(9.1°C)
48.1°F
(8.9°C)
0.2°F
(0.2°C)
58th Coolest Coolest to Date 1979
66th Warmest Warmest since: 1898 2018
Ties: 1901, 1915, 1938, 1948, 1973, 1995, 2015
Oct 1895–Sep 1899
48-Month
48.2°F
(9.0°C)
48.2°F
(9.0°C)
0.0°F
(0.0°C)
54th Coolest Coolest to Date 1907
69th Warmest Warmest to Date 2019
Ties: 1903, 1936, 1938, 1940, 1942, 1960, 1985

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2020, retrieved on October 21, 2020 from https://www.ncdc.noaa.gov/cag/