Honus Wagner has the highest career batting average with 50+ at-bats on September 5, with an average of .470.

Interpreted as:

most ba by a player on september 5, minimum 50 ab

	NAME	AVG	AB	G	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	OBP	SLG	OPS
1	Honus Wagner H. Wagner	.470	66	18	17	31	10	2	1		6	4	4	7		78	48	13	2				.539	.727	1.267
2	Tony Fernandez T. Fernandez	.460	50	16	8	23	5	1	1	7	4	1	2	4	0	56	33	7	0	1	1	0	.500	.660	1.160
3	Stuffy McInnis S. McInnis	.453	53	16	7	24	3	0	0	11	3	1	0	0		64	27	3	7				.491	.509	1.001
4	Ted Williams T. Williams	.451	51	15	14	23	5	0	4	5	13	1	3	0	0	65	40	9	0	0	1	4	.569	.784	1.354
5	George Sisler G. Sisler	.443	61	14	14	27	2	1	2	12	2	0	3	4		64	37	5	1				.460	.607	1.067
6	Harold Baines H. Baines	.431	51	15	7	22	3	0	4	17	9	0	8	0	0	60	37	7	0	0	1	1	.517	.725	1.242
7	Larry Parrish L. Parrish	.420	50	14	9	21	3	0	3	16	6	2	9	0	0	58	33	6	0	0	1	0	.500	.660	1.160
8	Carl Furillo C. Furillo	.407	54	14	12	22	4	2	2	8	2	0	1	1	0	57	36	8	1	0	0	0	.429	.667	1.095
9	Eddie Collins E. Collins	.407	59	17	18	24	2	0	0		14	0	4	7		76	26	2	3				.521	.441	.961
10	Joe Cronin J. Cronin	.406	69	19	13	28	9	0	0	13	6	2	8	1		79	37	9	2			0	.468	.536	1.004
11	Tristram Speaker T. Speaker	.397	58	18	7	23	4	2	0	11	8	0	1	4		66	31	6	0				.470	.534	1.004
12	Larry Bowa L. Bowa	.396	53	14	6	21	2	2	0	2	1	0	5	3	1	54	27	4	0	0	0	0	.407	.509	.917
13	High Pockets Kelly H. Pockets Kelly	.396	53	14	15	21	3	1	2	13	4	0	5	1		58	32	6	1				.439	.604	1.042
14	Dave Parker D. Parker	.387	62	15	12	24	4	0	3	12	5	1	11	1	0	69	37	7	0	1	2	1	.435	.597	1.032
15	Enos Slaughter E. Slaughter	.386	57	17	11	22	6	2	2	14	9	0	3	1	0	67	38	10	1	0	0	0	.470	.667	1.136
16	Charlie Jamieson C. Jamieson	.382	55	15	11	21	3	2	0	3	8	1	0	0		65	28	5	1				.469	.509	.978
17	Buddy Myer B. Myer	.380	50	13	15	19	6	1	0	8	7	0	1	0		58	27	7	1				.456	.540	.996
18	Don Baylor D. Baylor	.377	53	15	12	20	2	0	6	14	6	2	7	2	1	61	40	8	0	0	0	0	.459	.755	1.214
19	Dick Groat D. Groat	.375	64	16	9	24	4	0	0	5	5	0	5	0	1	70	28	4	1	0	0	1	.420	.438	.858
20	Joe Carter J. Carter	.373	59	13	12	22	4	1	5	15	1	0	8	2	1	60	43	10	0	0	0	0	.383	.729	1.112
21	Marty McManus M. McManus	.373	59	15	6	22	5	0	0	13	5	0	5	1		64	27	5	0				.422	.458	.880
22	Nap Lajoie N. Lajoie	.371	62	16	11	23	6	2	0		4	2		3		68	33	8	0				.426	.532	.959
23	Dixie Walker D. Walker	.370	54	16	10	20	3	1	3	11	7	0	1	0		63	34	7	2			0	.443	.630	1.072
24	Bill Dickey B. Dickey	.365	52	15	9	19	3	0	2	13	4	1	3	1		57	28	5	0			0	.421	.538	.960
25	Sam Rice S. Rice	.365	52	15	8	19	3	1	0	10	3	0	0	1		58	24	4	3				.400	.462	.862