Assam in September 2026 — Weather, Festivals & What to Pack

Assam in September: average temperatures 22-30°C, weather monsoon retreating — green landscapes. September is a great time to visit Assam. Weather conditions are favourable and crowd levels are manageable. Main destinations: Kaziranga, Majuli Island, Guwahati, Sivasagar.

Weather in Assam during September

Average temperatures across Assam in September sit around 22-30°C. The general character: monsoon retreating — green landscapes.

Mostly low-altitude Brahmaputra valley; comfortable temperatures year-round. Different altitudes within the state will feel noticeably different — coastal/lowland areas can be 10°C warmer than high-altitude passes on the same day.

Festivals and events in Assam in September

• Ziro Music Festival — last week of September in Arunachal Pradesh

What to do in Assam in September

Highlight: post-monsoon green peak — rice paddies golden in Ziro, lush Meghalaya hills. Ziro Music Festival is a major draw..

Watch out for: occasional late-season showers; not all roads fully cleared until end of September.

Key destinations across Assam for this month: Kaziranga, Majuli Island, Guwahati, Sivasagar. For a full multi-day itinerary, see our curated Assam tour package → or the in-depth state guides below.

What to pack for Assam in September

light layers, light rain jacket, sweater for evenings.

For the full Northeast India packing breakdown by season, see our complete packing guide.

Cost outlook for Assam in September

Shoulder-season pricing — moderate rates, more flexibility. See our complete budget guide for tier-by-tier daily costs.

Other guides for Assam

FAQs — Assam in September

Plan your Assam trip for September 2026

If September is your travel window, the best move now: lock accommodation, apply for permits if required, and book flights. Use our free trip planner — we'll send a custom Assam plan for your September dates within 24 hours.