US Dollar Index (DXY) in September 2025
The US Dollar Index (DXY) ended September 2025 at 97.77 on September 30, 2025, unchanged from 97.77 at the end of August 2025. Its highest close of the month was 98.55 on September 25, 2025, its lowest 96.63 on September 16, 2025.
Month close
97.77
September 30, 2025
Month change
0.00 (0.00%)
from 97.77
Highest close
98.55
September 25, 2025
Lowest close
96.63
September 16, 2025
Every close of September 2025
21 sessions, newest first.
| Date | Close | Change |
|---|---|---|
| 97.77 | −0.14 (−0.14%) | |
| 97.91 | −0.24 (−0.24%) | |
| 98.15 | −0.40 (−0.41%) | |
| 98.55 | +0.68 (+0.69%) | |
| 97.87 | +0.61 (+0.63%) | |
| 97.26 | −0.07 (−0.07%) | |
| 97.33 | −0.31 (−0.32%) | |
| 97.64 | +0.29 (+0.30%) | |
| 97.35 | +0.48 (+0.50%) | |
| 96.87 | +0.24 (+0.25%) | |
| 96.63 | −0.67 (−0.69%) | |
| 97.30 | −0.25 (−0.26%) | |
| 97.55 | +0.01 (+0.01%) | |
| 97.54 | −0.24 (−0.25%) | |
| 97.78 | −0.01 (−0.01%) | |
| 97.79 | +0.34 (+0.35%) | |
| 97.45 | −0.32 (−0.33%) | |
| 97.77 | −0.58 (−0.59%) | |
| 98.35 | +0.21 (+0.21%) | |
| 98.14 | −0.26 (−0.26%) | |
| 98.40 | +0.63 (+0.64%) |
US Dollar Index (DXY), month by month
| Month | Last close | Change |
|---|---|---|
| September 2026so far | 100.97 | +1.54 (+1.55%) |
| August 2026 | 99.43 | −0.37 (−0.37%) |
| July 2026 | 99.80 | −1.39 (−1.37%) |
| June 2026 | 101.19 | +2.28 (+2.31%) |
| May 2026 | 98.91 | +0.83 (+0.85%) |
| April 2026 | 98.08 | −1.88 (−1.88%) |
| March 2026 | 99.96 | +2.35 (+2.41%) |
| February 2026 | 97.61 | +0.62 (+0.64%) |
| January 2026 | 96.99 | −1.29 (−1.31%) |
| December 2025 | 98.28 | −1.18 (−1.19%) |
| November 2025 | 99.46 | −0.34 (−0.34%) |
| October 2025 | 99.80 | +2.03 (+2.08%) |
| September 2025 | 97.77 | 0.00 (0.00%) |
US Dollar Index (DXY) in September 2025: what people ask
What was the US Dollar Index (DXY) at the end of September 2025?
It closed at 97.77 on Tuesday, September 30, 2025, unchanged from 97.77 at the end of August 2025.
What was the highest US Dollar Index (DXY) in September 2025?
Its highest close of September 2025 was 98.55 on Thursday, September 25, 2025; its lowest was 96.63 on September 16, 2025, over 21 sessions.
Source: ICE US Dollar Index (DX-Y.NYB), daily closes. Daily closes; a month's change runs from the previous month's last close. Not investment advice. US Dollar Index (DXY) today