NWS Sioux Falls Climate Records, Normals, and Observed

September 2012 Temperature Data for Sioux City

Date	Observed High (F)	Observed Low (F)	Normal High (F)	Normal Low (F)	Record High (F)	Year	Record Low (F)	Year
1	93	62	81	57	98	1970	38	1949
2	96	59	81	57	103	2000	42	1974
3	87	66	81	56	99	1947	37	1974
4	98	60	80	56	99	1913	37	1902
5	85	50	80	56	99	1913	40	1962
6	90	44	80	55	103	1939	39	1956
7	77	49	79	55	101	1971	38	1986
8	87	39	79	54	101	1947	35	1995
9	77	44	79	54	99	1931	37	1995
10	89	47	78	53	98	1931	36	1995
11	98	59	78	53	98	2012	35	1894
12	79	54	78	52	97	1939	33	1902
13	76	48	77	52	100	1939	30	1902
14	85	47	77	51	99	1939	35	2007
15	84	45	77	51	98	1955	32	2011
16	80	51	76	50	97	1955	33	1903
17	70	41	76	50	103	1895	33	1980
18	73	34	76	49	101	1895	30	1901
19	86	44	75	49	98	1948	29	1991
20	73	42	75	49	94	2005	29	1918
21	75	47	74	48	96	2005	29	1999
22	64	32	74	48	95	1936	25	1995
23	68	25	74	47	95	1938	25	2012
24	79	39	73	47	89	1956	30	2001
25	86	39	73	46	93	1998	29	1926
26	77	38	72	46	93	1956	25	1984
27	77	29	72	45	93	1956	28	1942
28	78	30	71	45	91	1897	25	1942
29	82	36	71	44	92	1981	24	1945
30	83	39	71	44	92	1897	27	1895
Avg High/Low	82	45	76	51

The highest and lowest observed and record temperatures for the month are highlighted with a white background.

(Data listed above is unofficial and may contain errors. For official climate records, please contact the National Climatic Data Center.)