Top 6-Month CD Rates for September 2026: Earn Up to 4.20% APY

By Manoj Sharma

Published on:

Top 6-Month CD Rates for September 2026: Earn Up to 4.20% APY
Looking to grow your savings without locking your money away for years? A 6-month certificate of deposit (CD) can be the sweet spot between safety, flexibility, and...

Looking to grow your savings without locking your money away for years? A 6-month certificate of deposit (CD) can be the sweet spot between safety, flexibility, and a better yield on your savings than a typical savings account can offer.

Our team evaluated dozens of accounts to determine the 10 best 6-month CDs available today. Find out where you can earn the most on your savings with minimal fees, low deposit requirements, and excellent customer service.

Best 6-month CDs

The following is a snapshot of our picks for the best 6-month CDs available today. Keep reading for more details about these accounts.

BEST 6-MONTH CDs

FINANCIAL INSTITUTIONAPYMINIMUM OPENING DEPOSIT
Ally Bank3.5%$0
Synchrony Bank4.1%$0
America First Credit Union3.95%$500
Marcus by Goldman Sachs4.1%$500
Bread Savings4%$1,500
Bank5Connect4%$500
Bask Bank3.9%$1,000
Everbank3.6%$1,000
Quontic Bank3.5%$500
Limelight Bank4.15%$1,000

Note that all interest rates, fees, and requirements are accurate as of the publish date. Please verify account details directly with the financial institution.

Ally Bank

  • APY: 3.5%
  • Minimum opening deposit: $0

Ally Bank’s 6-month CD currently offers 3.5% APY with no monthly maintenance fees or minimum opening deposit requirement. Another perk: Ally offers around-the-clock customer service via telephone, chat, and email.

Note that the penalty for making an early withdrawal from this account is 60 days’ interest.

Synchrony Bank

  • APY: 4.1%
  • Minimum opening deposit: $0

Synchrony Bank’s 6-month CD boasts 4.1% APY with no monthly maintenance fees or minimum balance requirements. Interest on this account is compounded daily and credited monthly.

The penalty for making an early withdrawal from this CD is equal to 90 days’ simple interest at the current rate.

America First Credit Union

  • APY: 3.95%
  • Minimum opening deposit: $500

Depositors who prefer a credit union over a traditional bank may be interested in America First Credit Union’s 6-month CD. This short-term CD offers 3.95% APY with a minimum of $500 required to open an account.

The penalty for making an early withdrawal from this account is equal to 60 days of dividends.

To become a member of America First Credit Union, you’ll need to submit an online application and meet certain eligibility requirements.

Marcus by Goldman Sachs

  • APY: 4.1%
  • Minimum opening deposit: $500

The Marcus by Goldman Sachs 6-month CD offers 4.1% APY — more than 2.5 times the national average. Interest compounds daily. You must deposit a minimum of $500 to open an account.

The penalty for making an early withdrawal from this account is 90 days’ interest on the original principal balance at the interest rate in effect for the account.

Bread Savings

  • APY: 4%
  • Minimum opening deposit: $1,500

Bread Savings offers CDs with terms ranging from three months to five years. Its 6-month CD offers an impressive 4% APY, though the minimum opening deposit for this account is the highest on our list at $1,500. Interest is compounded daily and credited monthly.

Bank5Connect

  • APY: 4%
  • Minimum opening deposit: $500

Bank5Connect is an online-only bank offering competitive rates on its deposit products. The current rate for a 6-month CD is 4% APY, and a minimum of $500 is needed to open an account. Interest compounds monthly, which is less frequent than most of the accounts we reviewed.

The penalty for making an early withdrawal from this account is equal to three months’ interest.

Bask Bank

  • APY: 3.9%
  • Minimum opening deposit: $1,000

Bask Bank’s 6-month CD has a higher minimum opening deposit at $1,000. So, this account may not be the best option if you’re still working on building up your savings.

Those who do qualify benefit from 3.9% APY and daily interest compounding. The penalty for making a withdrawal before your CD hits maturity is 90 days’ simple interest based on the principal amount withdrawn.

EverBank

  • APY: 3.6%
  • Minimum opening deposit: $1,000

EverBank’s 6-month CD requires a minimum opening deposit of $1,000, but it offers a competitive 3.6% APY, which is more than double the national average for 6-month CDs. Interest on this CD compounds daily.

The penalty for making an early withdrawal is 45 days’ simple interest.

Quontic Bank

  • APY: 3.5%
  • Minimum opening deposit: $500

Quontic’s 6-month CD currently provides 3.5% APY with a minimum deposit of $500 to open an account. Interest compounds daily and is credited monthly. There are no monthly service fees.

One major drawback of this CD: The penalty for making an early withdrawal is equal to the interest for the full length of the term, which means you could lose part of your principal deposit if you withdraw your funds too soon.

Limelight Bank

  • APY: 4.15%
  • Minimum opening deposit: $1,000

Limelight offers CDs with terms ranging from 6 to 36 months. Its 6-month term offers the highest rate of 4.15% with a minimum deposit of $1,000 required. Interest compounds daily and is credited quarterly.

The penalty for early withdrawals from the 6-month CD is equal to 90 days’ interest.

1. How does a 6-month CD calculate and pay out interest?

Interest on a 6-month Certificate of Deposit (CD) typically compounds daily or monthly and is calculated using the Annual Percentage Yield (APY). The APY represents the total amount of interest earned if the funds remain in the account for a full 365 days. For a 6-month term, you will earn roughly half of the stated annual yield over the 180-day holding period. Interest can be paid out at maturity or credited periodically back to the CD balance.

2. What happens if I need to withdraw my money before the 6 months are up?

If you break the CD contract early, the issuing bank will charge an early withdrawal penalty. For a 6-month CD, this penalty usually equals 1 to 3 months of earned interest. If you withdraw funds very early in the term before earning enough interest, the penalty may be deducted from your principal deposit.

3. Is a 6-month CD better than a High-Yield Savings Account (HYSA)?

It depends on your flexibility needs:
6-Month CD: Locks in a fixed interest rate for the entire term, protecting you if market interest rates fall, but restricts access to your cash. HYSA: Offers complete liquidity without withdrawal penalties, but the interest rate is variable and can drop at any time.

4. Are my funds safe in a 6-month CD?

Yes, as long as the opening financial institution is insured by the FDIC (for banks) or the NCUA (for credit unions). Federal deposit insurance protects your principal and accrued interest up to $250,000 per depositor, per insured institution.

5. What occurs when the 6-month CD reaches maturity?

When the CD matures, the bank provides a grace period (typically 7 to 10 days). During this window, you can:
Withdraw the entire principal plus interest without penalty.
Transfer the balance to another account or a different CD term.
Do nothing, which usually causes the bank to automatically roll the funds into a new 6-month CD at the prevailing interest rate.