Are you an investor or just curious about the US stock market? It's essential to stay informed about the upcoming holidays in September 2025, as these days can significantly impact trading activities. This article will provide a comprehensive overview of the stock market holidays for September 2025, helping you plan your investments accordingly.
September 2025 Stock Market Holidays
The following are the stock market holidays in the United States for September 2025:
- Monday, September 7, 2025: Labor Day
- Monday, September 14, 2025: Rosh Hashanah (Jewish New Year)
- Monday, September 21, 2025: Yom Kippur (Day of Atonement)
- Monday, September 28, 2025: Indigenous Peoples' Day
Labor Day (September 7, 2025)
Labor Day, celebrated on the first Monday in September, is a federal holiday honoring the contributions and achievements of American workers. The stock market will be closed on this day, and investors should expect a lull in trading activities.
Rosh Hashanah and Yom Kippur (September 14-15, 2025)
Rosh Hashanah and Yom Kippur are Jewish holidays marking the beginning and end of the High Holy Days. The stock market will be closed on these days, and investors should consider adjusting their portfolios in advance to avoid any unforeseen issues.
Indigenous Peoples' Day (September 28, 2025)
Indigenous Peoples' Day is a newer holiday celebrating the histories, cultures, and contributions of Native Americans. While not a federal holiday, many financial institutions and markets observe this day as a holiday, leading to a potential halt in trading activities.
Impact on Trading Activities
The stock market holidays in September 2025 will have several implications for investors and traders:
- Lack of Market Data: Investors may find it challenging to access real-time market data during these holidays, which can hinder their decision-making processes.
- Trading Halts: Traders should be prepared for potential trading halts on these holidays, which can cause market volatility.
- Adjusting Portfolios: Investors should consider adjusting their portfolios in advance of these holidays to avoid any unexpected issues.
Case Study: Labor Day 2024
To illustrate the impact of stock market holidays, let's consider the Labor Day holiday in 2024. The market was closed on this day, leading to a lack of trading activities. As a result, investors may have experienced a lull in their investments, which could have affected their overall returns.

Conclusion
Understanding the stock market holidays in September 2025 is crucial for investors and traders. By planning ahead and adjusting their portfolios accordingly, individuals can minimize the impact of these holidays on their investments. Keep an eye on the calendar and stay informed to make the most of your investment opportunities.