SIM Only Deals: Best of September 2026

This MoneySuperMarket page rounds up SIM‑only deals for September 2026, with a current example price listed at £6. It's a comparison tool that lets you scan available plans from multiple UK networks and MVNOs to find a monthly tariff that fits your usage.

The page focuses on:

• Price comparisons and sample monthly cost (current listed price: £6).
• Allowances such as mobile data, minutes and texts.
• Contract lengths (e.g. rolling monthly or fixed‑term).
• Network coverage and 4G/5G access across providers.
• Additional terms like roaming, tethering and fair‑use policies.

You can filter and sort results by price, data or contract type, and view provider terms and small‑print before selecting a plan. Presentation is impartial: it summarises what each SIM‑only option includes so you can weigh cost against allowances and contract commitments. It’s designed for browsing and comparison if you’re shopping for a monthly SIM in the UK.