The Seattle Mariners had a record of 18-8 in September 2021.

	TEAM	MONTH	DATE	REC	TM		OPP	RESULT	W%	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Mariners	September 2021	9/1/2021	1-0	SEA	vs	HOU	W 1-0	1.000	26	1	3	0	0	0	1	4	1	10	1	0	32	3	0	0	1	0	0	.115	.250	.115	.365
2	Mariners	September 2021	9/3/2021	1-0	SEA	@	ARI	W 6-5	1.000	37	6	7	0	0	2	6	7	1	12	1	0	45	13	2	0	0	0	0	.189	.333	.351	.685
3	Mariners	September 2021	9/4/2021	1-0	SEA	@	ARI	W 8-5	1.000	40	8	14	2	0	2	8	2	0	7	0	0	42	22	4	0	0	0	1	.350	.381	.550	.931
4	Mariners	September 2021	9/5/2021	1-0	SEA	@	ARI	W 10-4	1.000	42	10	11	4	0	0	9	5	1	6	1	2	49	15	4	0	1	0	1	.262	.347	.357	.704
5	Mariners	September 2021	9/6/2021	0-1	SEA	@	HOU	L 2-11	.000	28	2	5	1	0	0	2	8	0	10	0	0	36	6	1	0	0	0	3	.179	.361	.214	.575
6	Mariners	September 2021	9/7/2021	0-1	SEA	@	HOU	L 4-5	.000	37	4	8	3	0	1	4	1	0	6	0	0	38	14	4	0	0	0	1	.216	.237	.378	.615
7	Mariners	September 2021	9/8/2021	1-0	SEA	@	HOU	W 8-5	1.000	40	8	13	4	0	1	8	7	0	12	0	0	47	20	5	0	0	0	0	.325	.426	.500	.926
8	Mariners	September 2021	9/10/2021	1-0	SEA	vs	ARI	W 5-4	1.000	30	5	8	1	0	3	5	2	0	7	2	0	32	18	4	0	0	0	2	.267	.313	.600	.913
9	Mariners	September 2021	9/11/2021	0-1	SEA	vs	ARI	L 3-7	.000	33	3	6	2	0	2	3	2	1	8	0	0	36	14	4	0	0	0	0	.182	.250	.424	.674
10	Mariners	September 2021	9/12/2021	0-1	SEA	vs	ARI	L 4-5	.000	33	4	4	0	0	3	4	4	0	4	0	0	37	13	3	0	0	0	0	.121	.216	.394	.610
11	Mariners	September 2021	9/13/2021	1-0	SEA	vs	BOS	W 5-4	1.000	34	5	10	1	0	1	4	2	0	8	0	0	36	14	2	0	0	0	1	.294	.333	.412	.745
12	Mariners	September 2021	9/14/2021	0-1	SEA	vs	BOS	L 4-8	.000	34	4	8	1	0	0	4	3	0	13	0	0	39	9	1	0	2	1	1	.235	.282	.265	.547
13	Mariners	September 2021	9/15/2021	0-1	SEA	vs	BOS	L 4-9	.000	35	4	6	1	0	0	3	2	1	12	2	0	38	7	1	0	0	1	2	.171	.237	.200	.437
14	Mariners	September 2021	9/17/2021	1-0	SEA	@	KCR	W 6-2	1.000	33	6	10	1	0	2	6	4	1	7	0	1	38	17	3	0	0	0	2	.303	.395	.515	.910
15	Mariners	September 2021	9/18/2021	0-1	SEA	@	KCR	L 1-8	.000	27	1	3	1	0	0	1	4	0	2	0	1	31	4	1	0	0	0	2	.111	.226	.148	.374
16	Mariners	September 2021	9/19/2021	1-0	SEA	@	KCR	W 7-1	1.000	36	7	11	3	0	3	7	7	0	5	1	0	43	23	6	0	0	0	1	.306	.419	.639	1.057
17	Mariners	September 2021	9/20/2021	1-0	SEA	@	OAK	W 4-2	1.000	35	4	10	4	0	0	4	1	0	5	0	0	36	14	4	0	0	0	1	.286	.306	.400	.706
18	Mariners	September 2021	9/21/2021	1-0	SEA	@	OAK	W 5-2	1.000	35	5	9	3	2	1	4	2	2	11	0	1	39	19	6	0	0	0	0	.257	.333	.543	.876
19	Mariners	September 2021	9/22/2021	1-0	SEA	@	OAK	W 4-1	1.000	35	4	9	1	0	2	4	4	1	8	1	0	41	16	3	0	1	0	0	.257	.341	.457	.799
20	Mariners	September 2021	9/23/2021	1-0	SEA	@	OAK	W 6-5	1.000	34	6	7	2	0	3	6	2	1	12	0	0	37	18	5	0	0	0	0	.206	.270	.529	.800
21	Mariners	September 2021	9/24/2021	1-0	SEA	@	LAA	W 6-5	1.000	33	6	7	3	0	1	6	2	1	4	0	0	37	13	4	0	1	0	0	.212	.270	.394	.664
22	Mariners	September 2021	9/25/2021	0-1	SEA	@	LAA	L 1-14	.000	31	1	6	1	0	0	1	1	0	4	0	0	32	7	1	0	0	0	3	.194	.219	.226	.445
23	Mariners	September 2021	9/26/2021	1-0	SEA	@	LAA	W 5-1	1.000	37	5	9	2	0	1	5	2	1	12	1	0	40	14	3	0	0	0	0	.243	.300	.378	.678
24	Mariners	September 2021	9/27/2021	1-0	SEA	vs	OAK	W 13-4	1.000	37	13	14	1	0	2	13	4	1	7	0	0	42	21	3	0	0	0	1	.378	.452	.568	1.020
25	Mariners	September 2021	9/28/2021	1-0	SEA	vs	OAK	W 4-2	1.000	32	4	9	3	0	1	4	5	0	5	0	0	37	15	4	0	0	0	0	.281	.378	.469	.847
	Total			18-8					.692	885	130	213	46	2	32	126	89	13	206	10	5	994	359	80	0	7	2	22	.241	.317	.406	.723