S&P 500 in September 2025

The S&P 500 ended September 2025 at 6,688.46 on September 30, 2025, up 3.53% from 6,460.26 at the end of August 2025. Its highest close of the month was 6,693.75 on September 22, 2025, its lowest 6,415.54 on September 2, 2025.

Month close

6,688.46

September 30, 2025

Month change

+228.20 (+3.53%)

from 6,460.26

Highest close

6,693.75

September 22, 2025

Lowest close

6,415.54

September 2, 2025

Every close of September 2025

21 sessions, newest first.

S&P 500: daily closes for the last 21 sessions
DateCloseChange
6,688.46+27.25 (+0.41%)
6,661.21+17.51 (+0.26%)
6,643.70+38.98 (+0.59%)
6,604.72−33.25 (−0.50%)
6,637.97−18.95 (−0.28%)
6,656.92−36.83 (−0.55%)
6,693.75+29.39 (+0.44%)
6,664.36+32.40 (+0.49%)
6,631.96+31.61 (+0.48%)
6,600.35−6.41 (−0.10%)
6,606.76−8.52 (−0.13%)
6,615.28+30.99 (+0.47%)
6,584.29−3.18 (−0.05%)
6,587.47+55.43 (+0.85%)
6,532.04+19.43 (+0.30%)
6,512.61+17.46 (+0.27%)
6,495.15+13.65 (+0.21%)
6,481.50−20.58 (−0.32%)
6,502.08+53.82 (+0.83%)
6,448.26+32.72 (+0.51%)
6,415.54−44.72 (−0.69%)

S&P 500, month by month

S&P 500: last close of each month
MonthLast closeChange
September 2026so far7,743.41+57.27 (+0.75%)
August 20267,686.14+196.42 (+2.62%)
July 20267,489.72−9.64 (−0.13%)
June 20267,499.36−80.70 (−1.06%)
May 20267,580.06+371.05 (+5.15%)
April 20267,209.01+680.49 (+10.42%)
March 20266,528.52−350.36 (−5.09%)
February 20266,878.88−60.15 (−0.87%)
January 20266,939.03+93.53 (+1.37%)
December 20256,845.50−3.59 (−0.05%)
November 20256,849.09+8.89 (+0.13%)
October 20256,840.20+151.74 (+2.27%)
September 20256,688.46+228.20 (+3.53%)

S&P 500 in September 2025: what people ask

What was the S&P 500 at the end of September 2025?

It closed at 6,688.46 on Tuesday, September 30, 2025, up 3.53% from 6,460.26 at the end of August 2025.

What was the highest S&P 500 in September 2025?

Its highest close of September 2025 was 6,693.75 on Monday, September 22, 2025; its lowest was 6,415.54 on September 2, 2025, over 21 sessions.

Source: S&P 500 index (^GSPC), daily closes. Daily closes; a month's change runs from the previous month's last close. Not investment advice. S&P 500 today