Sunshine by US City in September

The tables below pull together figures on the amount of sunshine each of the largest cities in the United States usually has in September.

The % Sun number measures the percentage of time between sunrise and sunset that sunshine reaches the ground. Total Hours is the average number of sunny hours the city normally has this month. Clear Days is the average number of days this month when cloud covers at most 30 percent of the sky during daylight hours.

Hours of sunshine are the means calculated for 1961 to 1990. The other data are averages taken from years of weather watching.

Average sunshine in September
% Sun	City	Total Hours	Clear Days
62	Atlanta, Georgia	228	10
66	Austin, Texas	234	11
60	Baltimore, Maryland	222	11
61	Birmingham, Alabama	224	9
63	Boston, Massachusetts	237	10
57	Buffalo, New York	208	6
64	Charlotte, North Carolina	241	9
59	Chicago, Illinois	227	9
61	Cincinnati, Ohio	234	10
60	Cleveland, Ohio	219	8
61	Columbus, Ohio	212	9
67	Dallas, Texas	246	13
74	Denver, Colorado	272	13
61	Detroit, Michigan	228	8
94	Fresno, California	–	24
54	Grand Rapids, Michigan	–	7
59	Hartford, Connecticut	224	8
77	Honolulu, Hawaii	–	8
66	Houston, Texas	237	9

% Sun	City	Total Hours	Clear Days
65	Indianapolis, Indiana	233	11
58	Jacksonville, Florida	228	5
66	Kansas City, Missouri	241	12
91	Las Vegas, Nevada	337	22
79	Los Angeles, California	–	13
64	Louisville, Kentucky	234	10
69	Memphis, Tennessee	251	12
70	Miami, Florida	262	2
59	Milwaukee, Wisconsin	215	9
62	Minneapolis, Minnesota	233	10
62	Nashville, Tennessee	226	11
61	New Orleans, Louisiana	229	10
62	New York, New York	219	11
72	Oklahoma City, Oklahoma	264	13
59	Philadelphia, Pennsylvania	219	10
89	Phoenix, Arizona	329	22
55	Pittsburgh, Pennsylvania	197	7

% Sun	City	Total Hours	Clear Days
62	Portland, Oregon	236	10
62	Providence, Rhode Island	233	9
58	Raleigh, North Carolina	218	10
65	Richmond, Virginia	238	9
59	Rochester, New York	212	7
93	Sacramento, California	348	24
82	Salt Lake City, Utah	301	16
67	San Antonio, Texas	235	9
69	San Diego, California	253	15
72	San Francisco, California	–	18
62	Seattle, Washington	222	8
63	St. Louis, Missouri	236	11
62	Tampa, Florida	223	5
87	Tucson, Arizona	–	19
66	Tulsa, Oklahoma	–	12
61	Virginia Beach, Virginia	231	9
61	Washington, DC	225	10

Average Sunshine for US Cities in September

Reference

More US City Weather Information