Iceland year-round guide

Europe · September

Best time to visit Iceland in September 🇮🇸

September in Iceland is peak season — ideal weather. an outstanding time — peak conditions, headline experiences and the scenery the country is famous for.

Last updated June 2026

Is September a good time to visit Iceland? Quick answer

Yes — peak season.

Verdict for SeptemberPeak season — ideal weather
Average temperature11°C high / 5°C low
Rainy days~11 days
Crowdshigh
Priceshigh
Events this monthAurora returns properly, Réttir (sheep round-up)
Peak months overallMay, June, July, August, September, October
Insider tipDon't try the F-roads / highlands outside Jun–early Sep — they're closed.

Iceland year at a glance

best
good
shoulder
off-season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

The absolute peak months for Iceland are May, June, July, August, September, October. September is one of them — book stays and trains early.

What Iceland is like in September

Best of both worlds — autumn colours, aurora nights and the F-roads closing mid-month. Jun–Aug for midnight sun, hiking, ring road in full access. Sep–Mar for aurora. Apr–May & Sep are sweet shoulder months.

Insider tip

Don't try the F-roads / highlands outside Jun–early Sep — they're closed.

What locals know about Iceland in September

On-the-ground tips you won't find on Reddit or the big travel mags.

  • 1September is the sweet spot — autumn colours, all roads open, aurora visible from ~20 Aug.
  • 2Check road.is daily; F-road closures change without warning.
  • 3Sulphur 'rotten egg' smell from hot taps is normal — only the cold tap is glacier water.

What to pack for Iceland in September

11 essentials grouped by category — tap to expand.

Clothing

  • Waterproof + windproof shell (Goretex or equivalent)
  • Waterproof trousers (overpants)
  • Insulated mid-layer (down or synthetic)
  • Merino base layers (top and bottom)
  • Waterproof hiking boots — broken in
  • Beanie, buff, gloves
  • Swimsuit (for every hot spring and the Blue Lagoon)

Gear

  • Headlamp (rotating darkness)

Tech

  • Type C/F adapter (230V)
  • Offline maps + road.is bookmarked

Documents

  • Credit card with no FX fees (Iceland is near-cashless)

FAQs: Iceland in September

Is September a good time to visit Iceland?

Yes — it's one of the best months. September in Iceland is peak season — ideal weather. Expect average highs around 11°C and lows near 5°C, with roughly 11 rainy days.

What is the weather like in Iceland in September?

Average daily high around 11°C, low around 5°C, with about 11 rainy days. Best of both worlds — autumn colours, aurora nights and the F-roads closing mid-month.

What events or festivals happen in Iceland in September?

Key events in September include Aurora returns properly, Réttir (sheep round-up).

Are flights and hotels cheaper in Iceland in September?

Prices in September are typically high — book early, with high crowds.

Should I book Iceland in advance for September?

Yes. September is peak season — book flights and well-rated stays 2–3 months ahead, especially for popular regions.