who has the highest batting average in august with at least 400 at bats

Ty Cobb has the highest career batting average with 400+ at-bats in the month of August, with an average of .367.

	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	Ty Cobb T. Cobb	.367	2,028	532	371	745	127	56	18		223	12		141		2,301	1,038	201	38				.433	.512	.945
2	Joe Jackson J. Jackson	.360	949	249	157	342	60	31	8		97	8		47		1,080	488	99	26				.424	.514	.938
3	Rogers Hornsby R. Hornsby	.360	1,404	387	268	505	86	30	50		172	6	136	23		1,627	801	166	45				.432	.571	1.002
4	Lou Gehrig L. Gehrig	.359	1,575	414	351	565	112	39	90	404	286	9	157	14		1,888	1,025	241	18				.460	.651	1.111
5	Bill Terry B. Terry	.356	1,222	331	223	435	79	23	28	190	101	2	78	13		1,350	644	130	25				.406	.527	.933
6	Rusty Greer R. Greer	.353	689	179	127	243	48	6	32	134	92	6	89	9	0	792	399	86	0	5	3	21	.431	.579	1.010
7	Todd Helton T. Helton	.351	1,397	392	238	490	120	9	69	260	199	7	217	8	5	1,617	835	198	1	13	32	31	.431	.598	1.028
8	Eddie Collins E. Collins	.348	1,808	508	330	630	83	37	4		241	11		133		2,148	799	124	88				.428	.442	.870
9	Riggs Stephenson R. Stephenson	.348	821	235	113	286	59	7	10	146	84	7	57	7		933	389	76	21				.413	.474	.887
10	Tony Gwynn T. Gwynn	.348	1,737	452	265	604	103	12	18	190	131	1	82	58	26	1,886	785	133	6	11	29	52	.391	.452	.843
11	Bill Madlock B. Madlock	.348	1,145	327	180	398	69	11	32	159	119	17	79	22	20	1,305	585	112	9	15	28	32	.412	.511	.923
12	Dale Mitchell D. Mitchell	.347	930	245	132	323	46	17	6	83	78	4	28	6	8	1,014	421	69	2	0	0	13	.400	.453	.853
13	Dale Alexander D. Alexander	.347	493	128	77	171	37	3	10	102	43	1	37	7		541	244	50	4				.400	.495	.895
14	Lance Richbourg L. Richbourg	.346	541	139	78	187	28	15	2	53	29	1	27	15		585	251	45	14				.380	.464	.844
15	Paul Waner P. Waner	.345	1,926	508	328	665	131	40	16	256	204	8	72	21		2,172	924	187	34			9	.410	.480	.890
16	George Sisler G. Sisler	.343	1,642	408	231	564	83	31	16		98	12	59	68		1,796	757	130	44				.385	.461	.846
17	Kiki Cuyler K. Cuyler	.342	1,517	397	274	519	92	35	28	239	140	18	148	61		1,708	765	155	33				.404	.504	.908
18	Ted Williams T. Williams	.341	1,597	477	369	545	99	14	101	360	426	4	139	7	1	2,032	975	214	1	4	23	37	.480	.611	1.091
19	Lefty O'Doul L. O'Doul	.341	633	176	120	216	23	8	29	135	64	2	26	8		709	342	60	10				.403	.540	.944
20	Nap Lajoie N. Lajoie	.341	1,513	397	205	516	102	21	12		91	17		63		1,662	696	135	41				.385	.460	.845
21	Tristram Speaker T. Speaker	.340	1,783	483	301	606	139	34	18		236	17		69		2,069	867	191	33				.422	.486	.908
22	Baby Doll Jacobson B. Doll Jacobson	.338	1,051	275	164	355	67	17	19		47	7	71	19		1,145	513	103	40				.370	.488	.858
23	Zeke Bonura Z. Bonura	.338	601	154	97	203	49	4	19	120	61	2	21	6		668	317	72	4			12	.401	.527	.928
24	Lew Fonseca L. Fonseca	.338	548	149	80	185	38	9	1	81	32	2	27	5		605	244	48	23				.376	.445	.822
25	Jim Eisenreich J. Eisenreich	.337	572	217	90	193	35	6	15	83	40	2	55	14	3	623	285	56	6	3	4	7	.381	.498	.879