National Weather Service Forecast Office

September Daily/Monthly Normals for Charleston
(see notes below table)
Date	Normal High	Normal Low	Average	Record High	RH Year	Record Low	RL Year	HDD	CDD	Precip
1	83	62	72	104	1932	47	1946	0	7	.11
2	82	62	72	104	1932	44	1949	0	7	.11
3	82	61	72	101	1953	45	1967	0	7	.12
4	82	61	71	100	1925	44	1997	0	7	.11
5	81	61	71	99	1925	41	1902	0	6	.12
6	81	61	71	98	1930	45	1950	0	6	.11
7	81	60	71	101	1929	45	1988	0	6	.10
8	81	60	70	97	1929	45	1951	1	6	.11
9	80	60	70	96	1964	43	1986*	1	5	.11
10	80	59	70	100	1925	42	1956*	1	5	.11
11	80	59	69	99	1931	41	1917*	1	5	.11
12	79	58	69	101	1931	42	1943	1	5	.11
13	79	58	69	102	1931	42	1917	1	4	.11
14	79	58	68	98	1931	38	1985*	1	4	.12
15	78	57	68	98	1928	40	1985*	1	4	.11
16	78	57	67	99	1931	41	2007*	2	4	.10
17	77	57	67	100	1931	39	2000	2	4	.12
18	77	56	67	95	1925	35	1937	2	4	.11
19	77	56	66	97	1925	36	1937	2	3	.10
20	76	55	66	96	1931	36	1937	2	3	.11
21	76	55	65	100	1931	34	1956	3	3	.11
22	76	55	65	102	1931	39	1999*	3	3	.11
23	75	54	65	98	1930	35	1947	3	3	.10
24	75	54	64	96	1930	34	1983*	3	2	.11
25	74	53	64	93	2007	35	1967	3	2	.10
26	74	53	63	93	1908	33	1928	4	2	.10
27	74	52	63	93	1929	35	1947	4	2	.11
28	73	52	63	98	1929	33	1942	4	2	.10
29	73	52	62	97	1929	32	1942	5	2	.10
30	73	51	62	94	1953	34	1947	5	2	.10
Totals	77.8	56.9	67.3	104	1932	32	1942	56	127	3.25