Reykjavik, Iceland

Reykjavik in September

Iceland Updated 2026-07-01

Autumn colours, the first dark nights for the aurora and far fewer visitors after the first week.

Is September a good time to visit Reykjavik?

September is a middling month in Reykjavik — crowds around 62/100. Not the worst, but November is noticeably calmer.

Book things to do

Tours and tickets in Reykjavik, from our booking partner.

What’s on in September

  • Northern lights season begins

Best days in September

Weekdays are almost always calmer than weekends.

Sun
Mon
Tue
Wed
Thu
Fri
Sat

Tue is normally the calmest day of the week.

Best hours in September

The daily rhythm, hour by hour.

Calmest 9AM
12AM6AM12PM6PM11PM

The 9:00 AM window is usually the calmest of the day.

Weather in September

Typical highs, lows and wet days.

J 3° -2°
F 3° -2°
M 4° -1°
A 7° 1°
M 10° 4°
J 13° 7°
J 15° 9°
A 14° 9°
S 12° 6°
O 8° 3°
N 5° 0°
D 3° -2°
Average high Average low Wet days

How September compares

Every month in Reykjavik, ranked by how calm it is.

Quieter alternatives

If your dates are flexible, these months are calmer in Reykjavik.

Frequently asked questions

Is September a good month to visit Reykjavik?

September is a middling month in Reykjavik — crowds around 62/100. Not the worst, but November is noticeably calmer.

How crowded is Reykjavik in September?

Reykjavik sits at roughly 62/100 in September on our crowd scale, which is 2 points above the yearly average. The quietest month is November.

What is the weather like in Reykjavik in September?

Expect highs around 12°C and lows near 6°C in September, with about 19 wet days across the month.

Sources

Weather: 1995–2024 averages from the Reykjavík weather station (NOAA GHCN-Daily); rain days count days with at least 1 mm.

Crowd scores are modelled estimates, not live counts.How the model works

Events, holidays and practical notes are checked against these official pages:

Other months in Reykjavik