2-Year Treasury Yield in September 2025

The 2-year Treasury yield ended September 2025 at 3.60% on September 30, 2025, up 0.01 percentage points from 3.59% at the end of August 2025. Its highest close of the month was 3.66% on September 2, 2025, its lowest 3.49% on September 8, 2025.

Month close

3.60%

September 30, 2025

Month change

+0.01 pts

from 3.59%

Highest close

3.66%

September 2, 2025

Lowest close

3.49%

September 8, 2025

Every close of September 2025

21 sessions, newest first.

2-year Treasury yield: daily closes for the last 21 sessions
DateCloseChange
3.60%−0.03 pts
3.63%0.00 pts
3.63%−0.01 pts
3.64%+0.07 pts
3.57%+0.04 pts
3.53%−0.08 pts
3.61%+0.04 pts
3.57%0.00 pts
3.57%+0.05 pts
3.52%+0.01 pts
3.51%−0.03 pts
3.54%−0.02 pts
3.56%+0.04 pts
3.52%−0.02 pts
3.54%0.00 pts
3.54%+0.05 pts
3.49%−0.02 pts
3.51%−0.08 pts
3.59%−0.02 pts
3.61%−0.05 pts
3.66%+0.07 pts

2-Year Treasury Yield, month by month

2-year Treasury yield: last close of each month
MonthLast closeChange
September 2026so far4.87%+0.53 pts
August 20264.34%+0.06 pts
July 20264.28%+0.14 pts
June 20264.14%+0.16 pts
May 20263.98%+0.10 pts
April 20263.88%+0.09 pts
March 20263.79%+0.41 pts
February 20263.38%−0.14 pts
January 20263.52%+0.05 pts
December 20253.47%0.00 pts
November 20253.47%−0.13 pts
October 20253.60%0.00 pts
September 20253.60%+0.01 pts

2-Year Treasury Yield in September 2025: what people ask

What was the 2-year Treasury yield at the end of September 2025?

It closed at 3.60% on Tuesday, September 30, 2025, up 0.01 percentage points from 3.59% at the end of August 2025.

What was the highest 2-year Treasury yield in September 2025?

Its highest close of September 2025 was 3.66% on Tuesday, September 2, 2025; its lowest was 3.49% on September 8, 2025, over 21 sessions.

Source: US Treasury daily par yield curve, 2-year constant maturity (FRED series DGS2). Daily closes; a month's change runs from the previous month's last close. Not investment advice. 2-Year Treasury Yield today