# Climate at a Glance

## National 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.

### Contiguous U.S.

#### Average Temperature Rankings, September 1939

View Period (Months):All1234567891011121824364860

Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Warmest/Coolest Since |
Record |
---|---|---|---|---|---|---|

September 1939 1-Month |
67.37°F (19.65°C) | 64.86°F (18.26°C) |
2.51°F (1.39°C) | 120th Coolest | Coolest since: 1938 | 1965 |

7th Warmest | Warmest since: 1933 | 1998 | ||||

Ties: 2005 | ||||||

Aug–Sep 1939 2-Month |
70.01°F (21.12°C) | 68.48°F (20.27°C) |
1.53°F (0.85°C) | 108th Coolest | Coolest since: 1935 | 1974 |

19th Warmest | Warmest since: 1938 | 1998 | ||||

Jul–Sep 1939 3-Month |
71.63°F (22.02°C) | 70.19°F (21.22°C) |
1.44°F (0.80°C) | 110th Coolest | Coolest since: 1938 | 1950 |

17th Warmest | Warmest since: 1937 | 1998 | ||||

Jun–Sep 1939 4-Month |
70.94°F (21.63°C) | 69.77°F (20.98°C) |
1.17°F (0.65°C) | 106th Coolest | Coolest since: 1938 | 1903 |

21st Warmest | Warmest since: 1937 | 1936 | ||||

Ties: 1937 | ||||||

May–Sep 1939 5-Month |
69.29°F (20.72°C) | 67.85°F (19.92°C) |
1.44°F (0.80°C) | 116th Coolest | Coolest since: 1938 | 1907 |

11th Warmest | Warmest since: 1936 | 2018 | ||||

Apr–Sep 1939 6-Month |
66.33°F (19.07°C) | 65.05°F (18.36°C) |
1.28°F (0.71°C) | 109th Coolest | Coolest since: 1938 | 1907 |

18th Warmest | Warmest since: 1936 | 2012 | ||||

Mar–Sep 1939 7-Month |
62.93°F (17.18°C) | 61.69°F (16.49°C) |
1.24°F (0.69°C) | 107th Coolest | Coolest since: 1938 | 1912 |

20th Warmest | Warmest since: 1936 | 2012 | ||||

Feb–Sep 1939 8-Month |
58.81°F (14.89°C) | 58.20°F (14.56°C) |
0.61°F (0.33°C) | 86th Coolest | Coolest since: 1937 | 1917 |

41st Warmest | Warmest since: 1938 | 2012 | ||||

Jan–Sep 1939 9-Month |
56.04°F (13.36°C) | 55.08°F (12.82°C) |
0.96°F (0.54°C) | 97th Coolest | Coolest since: 1937 | 1912 |

30th Warmest | Warmest since: 1938 | 2012 | ||||

Dec 1938–Sep 1939 10-Month |
53.86°F (12.14°C) | 52.85°F (11.58°C) |
1.01°F (0.56°C) | 99th Coolest | Coolest since: 1937 | 1917 |

27th Warmest | Warmest since: 1938 | 2012 | ||||

Ties: 1931 | ||||||

Nov 1938–Sep 1939 11-Month |
52.59°F (11.44°C) | 51.83°F (11.02°C) |
0.76°F (0.42°C) | 94th Coolest | Coolest since: 1937 | 1912 |

32nd Warmest | Warmest since: 1938 | 2012 | ||||

Ties: 2009 | ||||||

Oct 1938–Sep 1939 12-Month |
52.91°F (11.62°C) | 52.03°F (11.13°C) |
0.88°F (0.49°C) | 102nd Coolest | Coolest since: 1937 | 1912 |

24th Warmest | Warmest since: 1938 | 2012 | ||||

Ties: 1995, 2011 | ||||||

Apr 1938–Sep 1939 18-Month |
57.19°F (13.99°C) | 56.37°F (13.54°C) |
0.82°F (0.45°C) | 96th Coolest | Coolest since: 1937 | 1917 |

30th Warmest | Warmest since: 1938 | 2012 | ||||

Ties: 1988 | ||||||

Oct 1937–Sep 1939 24-Month |
52.92°F (11.62°C) | 52.02°F (11.12°C) |
0.90°F (0.50°C) | 100th Coolest | Coolest since: 1938 | 1913, 1918 |

25th Warmest | Warmest since: 1935 | 2017 | ||||

Oct 1936–Sep 1939 36-Month |
52.47°F (11.37°C) | 52.00°F (11.11°C) |
0.47°F (0.26°C) | 85th Coolest | Coolest since: 1938 | 1917 |

39th Warmest | Warmest since: 1936 | 2018 | ||||

Ties: 1933 | ||||||

Oct 1935–Sep 1939 48-Month |
52.31°F (11.28°C) | 51.99°F (11.11°C) |
0.32°F (0.17°C) | 76th Coolest | Coolest since: 1938 | 1918 |

47th Warmest | Warmest since: 1937 | 2018 | ||||

Oct 1934–Sep 1939 60-Month |
52.40°F (11.33°C) | 51.98°F (11.10°C) |
0.42°F (0.23°C) | 82nd Coolest | Coolest since: 1933 | 1920 |

40th Warmest | Warmest since: 1938 | 2020 | ||||

Ties: 1941, 1943 |

## Citing This Page

- NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published October 2020, retrieved on October 23, 2020 from https://www.ncdc.noaa.gov/cag/