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Lewiston, Idaho

Average Temperature Rankings, September 1931

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  • Record Coolest
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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
September 1931
1-Month
63.5°F
(17.5°C)
65.0°F
(18.3°C)
-1.5°F
(-0.8°C)
49th Coolest
Coolest since:
1895
76th Warmest
Warmest since:
1938
Ties: 2004
Aug–Sep 1931
2-Month
68.7°F
(20.4°C)
69.6°F
(20.9°C)
-0.9°F
(-0.5°C)
57th Coolest
Coolest since:
1912
68th Warmest
Warmest since:
1967
Ties: 1957
Jul–Sep 1931
3-Month
71.4°F
(21.9°C)
71.4°F
(21.9°C)
0.0°F
(0.0°C)
76th Coolest
Coolest since:
1912
49th Warmest
Warmest since:
2022
Ties: 1904, 1943, 1974
Jun–Sep 1931
4-Month
70.4°F
(21.3°C)
70.1°F
(21.2°C)
0.3°F
(0.1°C)
86th Coolest
Coolest since:
1895
39th Warmest
Warmest since:
2021
Ties: 1942, 2016
May–Sep 1931
5-Month
68.9°F
(20.5°C)
67.9°F
(19.9°C)
1.0°F
(0.6°C)
92nd Coolest
Coolest since:
1895, 1916
33rd Warmest
Warmest since:
2021
Apr–Sep 1931
6-Month
66.1°F
(18.9°C)
65.2°F
(18.4°C)
0.9°F
(0.5°C)
93rd Coolest
Coolest since:
1902, 1916
32nd Warmest
Warmest since:
2021
Ties: 1941, 1961, 1973, 2009
Mar–Sep 1931
7-Month
63.1°F
(17.3°C)
62.5°F
(16.9°C)
0.6°F
(0.4°C)
91st Coolest
Coolest since:
1955
34th Warmest
Warmest since:
1940
Ties: 1926, 1961
Feb–Sep 1931
8-Month
60.0°F
(15.6°C)
59.5°F
(15.3°C)
0.5°F
(0.3°C)
91st Coolest
Coolest since:
1955
34th Warmest
Warmest since:
1940
Ties: 1924, 1937
Jan–Sep 1931
9-Month
57.5°F
(14.2°C)
56.9°F
(13.8°C)
0.6°F
(0.4°C)
98th Coolest
Coolest since:
1916
27th Warmest
Warmest since:
1934
Ties: 2005
Dec 1930–Sep 1931
10-Month
54.8°F
(12.7°C)
54.6°F
(12.6°C)
0.2°F
(0.1°C)
86th Coolest
Coolest since:
1916
36th Warmest
Warmest since:
1940
Ties: 1953, 1974
Nov 1930–Sep 1931
11-Month
53.4°F
(11.9°C)
53.4°F
(11.9°C)
0.0°F
(0.0°C)
85th Coolest
Coolest since:
1916
37th Warmest
Warmest since:
1940
Ties: 1914, 1968, 1974
Oct 1930–Sep 1931
12-Month
53.1°F
(11.7°C)
53.3°F
(11.8°C)
-0.2°F
(-0.1°C)
73rd Coolest
Coolest since:
1916
48th Warmest
Warmest since:
2015
Ties: 1919, 1977, 2002, 2019
Apr 1930–Sep 1931
18-Month
57.4°F
(14.1°C)
57.3°F
(14.1°C)
0.1°F
(0.0°C)
82nd Coolest
Coolest since:
1917
38th Warmest
Warmest since:
1940
Ties: 1959, 1966, 1991
Oct 1929–Sep 1931
24-Month
52.7°F
(11.5°C)
53.3°F
(11.8°C)
-0.6°F
(-0.3°C)
51st Coolest
Coolest since:
1917
68th Warmest
Warmest since:
2016
Ties: 1952, 1971, 2002
Oct 1928–Sep 1931
36-Month
51.8°F
(11.0°C)
53.3°F
(11.8°C)
-1.5°F
(-0.8°C)
18th Coolest
Coolest since:
1917
99th Warmest
Warmest since:
1940
Ties: 1909, 1916
Oct 1927–Sep 1931
48-Month
52.0°F
(11.1°C)
53.3°F
(11.8°C)
-1.3°F
(-0.7°C)
21st Coolest
Coolest since:
1913
94th Warmest
Warmest since:
1941
Ties: 1909, 1911, 1958, 1965
Oct 1926–Sep 1931
60-Month
52.1°F
(11.2°C)
53.3°F
(11.8°C)
-1.2°F
(-0.6°C)
22nd Coolest
Coolest since:
1917
91st Warmest
Warmest since:
2016
Ties: 1905, 1907, 1922, 1953, 1959

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