Average High-Temperature Map of the US during September range from 70 degrees Fahrenheit (21 degrees Celsius) in San Francisco to 100 °F (38 °C) in Phoenix. Temperatures this month are especially comfortable in cities such as New York and Philadelphia where the days are usually around 75 °F (24 °C) and the nights average about 60 °F (16 °C).
The tables are based on the maximum and minimum temperatures data collected from 1981 to 2010 by the NOAA National Climatic Data Center of the United States.
High °F | Low °F | City | High °C | Low °C |
---|---|---|---|---|
82 | 65 | Atlanta, Georgia | 28 | 18 |
91 | 69 | Austin, Texas | 33 | 21 |
78 | 58 | Baltimore, Maryland | 26 | 14 |
85 | 64 | Birmingham, Alabama | 30 | 18 |
72 | 57 | Boston, Massachusetts | 22 | 14 |
71 | 53 | Buffalo, New York | 22 | 12 |
81 | 60 | Charlotte, North Carolina | 27 | 16 |
75 | 54 | Chicago, Illinois | 24 | 12 |
79 | 55 | Cincinnati, Ohio | 26 | 13 |
74 | 56 | Cleveland, Ohio | 23 | 13 |
77 | 57 | Columbus, Ohio | 25 | 14 |
89 | 69 | Dallas, Texas | 32 | 21 |
77 | 48 | Denver, Colorado | 25 | 9 |
74 | 55 | Detroit, Michigan | 23 | 13 |
75 | 53 | Hartford, Connecticut | 24 | 12 |
90 | 70 | Houston, Texas | 32 | 21 |
78 | 56 | Indianapolis, Indiana | 25 | 13 |
Temperatures for US Cities
High °F | Low °F | City | High °C | Low °C |
---|---|---|---|---|
87 | 70 | Jacksonville, Florida | 31 | 21 |
80 | 61 | Kansas City, Missouri | 27 | 16 |
94 | 71 | Las Vegas, Nevada | 34 | 22 |
83 | 63 | Los Angeles, California | 28 | 17 |
82 | 61 | Louisville, Kentucky | 28 | 16 |
85 | 65 | Memphis, Tennessee | 30 | 18 |
89 | 77 | Miami, Florida | 32 | 25 |
71 | 55 | Milwaukee, Wisconsin | 22 | 13 |
72 | 52 | Minneapolis, Minnesota | 22 | 11 |
82 | 61 | Nashville, Tennessee | 28 | 16 |
88 | 72 | New Orleans, Louisiana | 31 | 22 |
75 | 61 | New York, New York | 24 | 16 |
85 | 63 | Oklahoma City, Oklahoma | 29 | 17 |
90 | 73 | Orlando, Florida | 32 | 23 |
78 | 60 | Philadelphia, Pennsylvania | 26 | 16 |
100 | 75 | Phoenix, Arizona | 38 | 24 |
74 | 54 | Pittsburgh, Pennsylvania | 24 | 12 |