Social Security Disability Insurance – When The Last Payment Arrives This Month

For millions of Americans relying on Social Security Disability Insurance (SSDI), knowing exactly when their benefits are deposited is crucial for managing monthly expenses.

In August 2025, the final payment of the month was released on Wednesday, August 27, specifically for beneficiaries with birthdates between the 21st and 31st of any month.

The Social Security Administration (SSA) organizes SSDI disbursements based on birthdate groupings, ensuring payments are spread across the month. This method helps avoid system delays while giving beneficiaries predictable payment schedules.

August 2025 SSDI Payment Schedule

SSDI payments follow a strict calendar determined by birthdate for those who began receiving benefits after May 1997. Below is the full August 2025 schedule:

Birthdate Range	Payment Date (August 2025)
1st – 10th	Wednesday, August 13
11th – 20th	Wednesday, August 20
21st – 31st	Wednesday, August 27

This final August payment marks the completion of the month’s cycle, ensuring all eligible beneficiaries receive their support.

How Social Security Disability Insurance Benefits Are Calculated

SSDI benefits are not flat amounts. Instead, they are determined by each person’s work history and prior taxable earnings.

• In 2025, benefits include a 2.5% Cost-of-Living Adjustment (COLA) to account for inflation.
• The maximum SSDI benefit in 2025 is $4,018 per month, reserved for high earners with maximum contributions across their careers.
• The average SSDI payment is about $1,581 per month, reflecting the national average after the COLA adjustment.

This makes SSDI a vital program, ensuring disabled workers can maintain some financial stability when they are no longer able to work.

What To Do If Your Payment Hasn’t Arrived

If your SSDI benefit doesn’t appear on the scheduled date, the SSA advises waiting at least three full business days before reporting it.

Steps to follow:

1. Check with your bank to ensure there are no processing delays.
2. If still missing, contact the SSA directly at 1-800-772-1213.
3. Be prepared to provide your claim details so an investigation can begin.

September 2025 SSDI Payment Schedule

The same structure continues into September 2025, with payments distributed across three Wednesdays:

Birthdate Range	Payment Date (September 2025)
1st – 10th	Wednesday, September 10
11th – 20th	Wednesday, September 17
21st – 31st	Wednesday, September 24

This structure ensures beneficiaries can plan their budgets effectively and know exactly when to expect deposits.

Why the Payment Schedule Works

The SSA uses this birthdate-based schedule to:

• Spread payments across the month, preventing bottlenecks.
• Provide predictable deposit dates, helping recipients organize bills and expenses.
• Reduce administrative delays by avoiding one large mass payment.

With a clear timetable and COLA-adjusted benefits, SSDI beneficiaries can count on regular income support even during periods of rising living costs.

The final SSDI payment of August 2025 landed on August 27, completing the month’s disbursement cycle. With the SSA’s structured approach, payments are distributed fairly and predictably, easing financial planning for millions of disabled Americans.

As September approaches, knowing your payment date based on your birthdate ensures you can budget confidently. And with the 2.5% COLA increase applied this year, SSDI continues to provide much-needed relief against inflation and rising living expenses.

FAQs