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US Treasury yields in September 2025
10Y average4.120%
10Y month-end4.160%30 Sep 2025
Month high4.280%2 Sep 2025
Month low4.010%11 Sep 2025
10-year yield, daily
Month-end curve compared
| Tenor | 30 Sep 2025 | vs. prior month | vs. a year ago |
|---|---|---|---|
| 1-month | 4.200% | -21bp | -73bp |
| 1.5-month | 4.190% | -15bp | – |
| 2-month | 4.150% | -15bp | -72bp |
| 3-month | 4.020% | -21bp | -71bp |
| 4-month | 3.980% | -19bp | -67bp |
| 6-month | 3.830% | -18bp | -55bp |
| 1-year | 3.680% | -15bp | -30bp |
| 2-year | 3.600% | +1bp | -6bp |
| 3-year | 3.610% | +3bp | +3bp |
| 5-year | 3.740% | +6bp | +16bp |
| 7-year | 3.930% | +1bp | +26bp |
| 10-year | 4.160% | -7bp | +35bp |
| 20-year | 4.710% | -15bp | +52bp |
| 30-year | 4.730% | -19bp | +59bp |
Month-end 10Y–2Y slope: +56bp
JGB yields from Japan's Ministry of Finance; US yields are the Treasury's daily par yield curve. Percent per year; 1 bp = 0.01%. Not investment advice.
About this page
The 10-year yield averaged 4.120% in September 2025 and ended at 4.160% (-7bp m/m).