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


Pennsylvania

Average Temperature Rankings, September 1977

View Period (Months):All1234567891011121824364860
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
(1895-2019)
Warmest/Coolest
Since
Record
September 1977
1-Month
63.4°F
(17.4°C)
61.7°F
(16.5°C)
1.7°F
(0.9°C)
90th Coolest Coolest since: 1976 1918
36th Warmest Warmest since: 1971 1961
Ties: 1910, 1929, 1939, 2008
Aug–Sep 1977
2-Month
66.0°F
(18.9°C)
65.0°F
(18.3°C)
1.0°F
(0.6°C)
87th Coolest Coolest since: 1976 1963
39th Warmest Warmest since: 1973 2016
Ties: 1971, 2001, 2004
Jul–Sep 1977
3-Month
67.8°F
(19.9°C)
66.8°F
(19.3°C)
1.0°F
(0.6°C)
90th Coolest Coolest since: 1976 1924, 1962, 1963, 1976
36th Warmest Warmest since: 1973 2016
Ties: 1916, 1933, 1944, 1952
Jun–Sep 1977
4-Month
66.7°F
(19.3°C)
66.6°F
(19.2°C)
0.1°F
(0.1°C)
59th Coolest Coolest since: 1976 1924
67th Warmest Warmest since: 1973 2005, 2016
Ties: 1942, 2001
May–Sep 1977
5-Month
65.5°F
(18.6°C)
64.8°F
(18.2°C)
0.7°F
(0.4°C)
83rd Coolest Coolest since: 1976 1924
43rd Warmest Warmest since: 1970 2018
Ties: 1919, 1937, 1941, 1942, 1952, 1993, 2013
Apr–Sep 1977
6-Month
62.9°F
(17.2°C)
61.8°F
(16.6°C)
1.1°F
(0.6°C)
97th Coolest Coolest since: 1976 1907, 1924
29th Warmest Warmest since: 1970 2010
Ties: 1898, 1970
Mar–Sep 1977
7-Month
59.8°F
(15.4°C)
58.1°F
(14.5°C)
1.7°F
(0.9°C)
113th Coolest Coolest since: 1976 1924
13th Warmest Warmest since: 1959 2010
Ties: 1959, 1987
Feb–Sep 1977
8-Month
55.6°F
(13.1°C)
54.2°F
(12.3°C)
1.4°F
(0.8°C)
107th Coolest Coolest since: 1976 1924
19th Warmest Warmest since: 1959 2012
Ties: 1938, 1987
Jan–Sep 1977
9-Month
50.8°F
(10.4°C)
50.9°F
(10.5°C)
-0.1°F
(-0.1°C)
53rd Coolest Coolest since: 1972 1940
73rd Warmest Warmest since: 1976 2012
Ties: 1934, 1941
Dec 1976–Sep 1977
10-Month
48.0°F
(8.9°C)
48.8°F
(9.3°C)
-0.8°F
(-0.4°C)
31st Coolest Coolest since: 1971 1904
94th Warmest Warmest since: 1976 2012
Ties: 1915, 1916, 1928, 1962, 2003
Nov 1976–Sep 1977
11-Month
46.7°F
(8.2°C)
47.9°F
(8.8°C)
-1.2°F
(-0.6°C)
17th Coolest Coolest since: 1963 1904
108th Warmest Warmest since: 1976 2012
Ties: 2014
Oct 1976–Sep 1977
12-Month
46.6°F
(8.1°C)
48.2°F
(9.0°C)
-1.6°F
(-0.9°C)
10th Coolest Coolest since: 1963 1904
115th Warmest Warmest since: 1976 2012
Ties: 1912, 1917, 1982
Apr 1976–Sep 1977
18-Month
51.4°F
(10.8°C)
52.8°F
(11.6°C)
-1.4°F
(-0.8°C)
6th Coolest Coolest since: 1963 1918
119th Warmest Warmest since: 1976 2012
Oct 1975–Sep 1977
24-Month
47.8°F
(8.8°C)
48.1°F
(8.9°C)
-0.3°F
(-0.1°C)
40th Coolest Coolest since: 1971 1905
84th Warmest Warmest since: 1976 2017
Ties: 1919, 1965, 1980
Oct 1974–Sep 1977
36-Month
47.9°F
(8.8°C)
48.1°F
(8.9°C)
-0.2°F
(-0.1°C)
42nd Coolest Coolest since: 1972 1979
81st Warmest Warmest since: 1976 2018
Ties: 1914, 1929, 1961
Oct 1973–Sep 1977
48-Month
48.1°F
(8.9°C)
48.1°F
(8.9°C)
0.0°F
(0.0°C)
47th Coolest Coolest since: 1973 1907
75th Warmest Warmest since: 1976 2019
Ties: 1911, 1913, 1916, 1930, 1946, 1958
Oct 1972–Sep 1977
60-Month
48.3°F
(9.1°C)
48.1°F
(8.9°C)
0.2°F
(0.2°C)
66th Coolest Coolest since: 1974 1908
55th Warmest Warmest since: 1976 2002
Ties: 1900, 1931, 1937, 1942, 1947, 1948, 1958, 1986

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 27, 2020 from https://www.ncdc.noaa.gov/cag/