US Dollar Index (DXY) in September 2026

The US Dollar Index (DXY) closed at 100.97 on September 25, 2026, its latest close of September 2026, up 1.55% from 99.43 at the end of August 2026. Its highest close of the month was 101.29 on September 24, 2026, its lowest 98.77 on September 9, 2026.

Latest close

100.97

September 25, 2026

Month change

+1.54 (+1.55%)

from 99.43

Highest close

101.29

September 24, 2026

Lowest close

98.77

September 9, 2026

Every close of September 2026

18 sessions so far, newest first. Today's close is on US Dollar Index (DXY) today.

US Dollar Index (DXY): daily closes for the last 18 sessions
DateCloseChange
100.97−0.32 (−0.32%)
101.29+0.19 (+0.19%)
101.10+0.50 (+0.50%)
100.60+0.17 (+0.17%)
100.43+0.21 (+0.21%)
100.220.00 (0.00%)
100.22−0.09 (−0.09%)
100.31+0.66 (+0.66%)
99.65+0.19 (+0.19%)
99.46+0.34 (+0.34%)
99.12+0.03 (+0.03%)
99.09+0.32 (+0.32%)
98.77−0.07 (−0.07%)
98.84−0.32 (−0.32%)
99.16+0.16 (+0.16%)
99.00−0.56 (−0.56%)
99.56−0.11 (−0.11%)
99.67+0.24 (+0.24%)

US Dollar Index (DXY), month by month

US Dollar Index (DXY): last close of each month
MonthLast closeChange
September 2026so far100.97+1.54 (+1.55%)
August 202699.43−0.37 (−0.37%)
July 202699.80−1.39 (−1.37%)
June 2026101.19+2.28 (+2.31%)
May 202698.91+0.83 (+0.85%)
April 202698.08−1.88 (−1.88%)
March 202699.96+2.35 (+2.41%)
February 202697.61+0.62 (+0.64%)
January 202696.99−1.29 (−1.31%)
December 202598.28−1.18 (−1.19%)
November 202599.46−0.34 (−0.34%)
October 202599.80+2.03 (+2.08%)
September 202597.770.00 (0.00%)

US Dollar Index (DXY) in September 2026: what people ask

Where is the US Dollar Index (DXY) in September 2026 so far?

It closed at 100.97 on Friday, September 25, 2026, up 1.55% from 99.43 at the end of August 2026.

What was the highest US Dollar Index (DXY) in September 2026?

Its highest close of September 2026 was 101.29 on Thursday, September 24, 2026; its lowest was 98.77 on September 9, 2026, over 18 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