September 2025 Deadlines: ITR Filing, NPS to OPS Switch, Advance Tax and Key Financial Tasks; Don’t Miss Out!

As September progresses, managing your financial obligations becomes crucial. With deadlines looming for ITR filing, pension scheme switches, advance tax payments, and fixed deposit investments, missing out could result in penalties or lost opportunities.
Major September Deadlines to Note for Your Finances
September 2025 brings a flurry of important dates for taxpayers and investors. Firstly, the last date to file Income Tax Returns (ITR) for individuals and HUFs not requiring audit is September 15, 2025. This extension from July 31, 2025, provides more time, but missing it may attract penalties. Another critical date is also September 15, 2025, for the payment of the 2nd advance tax instalment. Taxpayers must ensure 45% of their estimated liability for FY 2025–26 is paid by this date, after adjusting for previous payments.
Switch from NPS to UPS Before September 30
Central government employees who earlier opted for the Unified Pension Scheme (UPS) now have a one-time opportunity to switch back to the National Pension System (NPS). The facility, closing on September 30, 2025, is only valid if the employee is more than 1 year away from retirement or 3 months prior to voluntary retirement, as relevant. Those who do not opt within this window will stay under UPS by default.
Read More: ITR Filing 2025: Joint Account Holders Must Avoid This Tax Mistake to Prevent Notices!
Special Fixed Deposit Schemes Ending This Month
Banks like Indian Bank and IDBI Bank are offering time-bound special fixed deposit (FD) schemes. Investors looking to earn higher interest rates through these offers must act before the schemes expire on September 30, 2025.
Conclusion
September 2025 is a crucial month for managing taxes, pension choices, insurance concerns, and deposit investments. Ensuring timely action on all fronts can help avoid losses and maintain financial discipline amid the festive cheer.
Disclaimer: This blog has been written exclusively for educational purposes. The securities or companies mentioned are only examples and not recommendations. This does not constitute a personal recommendation or investment advice. It does not aim to influence any individual or entity to make investment decisions. Recipients should conduct their own research and assessments to form an independent opinion about investment decisions.
Investments in securities are subject to market risks. Read all related documents carefully before investing.
Published on: Aug 29, 2025, 11:52 AM IST

Team Angel One
- Stocks to Watch Today: PB Fintech, Voltas, Juniper Green Energy and Others in Focus (August 17, 2026)
- NSE Clearing To Launch R3 Series for Shorter-Tenure SLB Contracts From August 17, 2026
- Sony Pictures India To Enter Tamil GEC Market With Sony VIZHA in October 2026
- SEBI Proposes Colour-Coded Credit Risk-o-Meter for Debt Securities
- Hinduja Group Signs MoU for ₹2,500 Crore Investment in Tamil Nadu


