- 06 September – Monthly Pay-As-You-Earn (PAYE) submissions and payments
- 16 September – Start of Filing Season 2024: Trusts
- 25 September – Value Added Tax (VAT) manual submissions and payments
- 27 September – Excise duty payments
- 30 September – VAT electronic submissions and payments, Corporate Income Tax Provisional Tax payments where applicable, and Personal Income Tax Top-up Provisional Tax payments.
