
Reykjavik in September
Aurora returns, crowds ease
By Daan · Last reviewed October 2026
The short answer
September is the best month to visit Reykjavik.
September is a favourable month: summer prices ease and the aurora season begins.
September in detail
What September actually feels like
- Weather
- 6–10°C
- Cool and often wet, with longer nights.
- Crowds
- Moderate
- Steady visitor numbers; the main sights are busiest around midday.
- Prices
- $$$
- Mid-range hotel rates.
+Good chances for early aurora and fewer visitors.
–Weather is getting colder and wetter.
My tip for September
Book aurora tours for several nights to improve odds.
- Northern Lights
- Day trips
- Hiking
How September compares
Against the other eleven months
1st of 12 overall in Reykjavik, 4th for weather, 8th for space, 8th for value. The emptiest month is November; the best value is November.
See all twelve months for ReykjavikAlso good in September
Weather
Weather in Reykjavik in September
In September Reykjavik averages a high of 10°C (50°F) and a low of 6°C (43°F), with about 134 mm of rain or snow. The warmest month is July (around 14°C) and the coolest is January (around 1°C); the wettest month is September.
- Average high
- 10°C
- 50°F
- Average low
- 6°C
- 43°F
- Precipitation
- 134 mm
Climate data: ERA5 reanalysis 1991–2020 (Open-Meteo). Temperatures are averages of daily highs and lows.
Quick answers
Reykjavik in September: the questions people ask
- Is September a good time to visit Reykjavik?
- September is the best month to visit Reykjavik. It ranks 1 of 12 months in Reykjavik overall (4 for weather, 8 for space, 8 for value). The main upside: Good chances for early aurora and fewer visitors. The main downside: Weather is getting colder and wetter.
- What is the weather like in Reykjavik in September?
- Average highs are around 10°C and lows around 6°C. Expect about 134 mm of rain or snow. Cool and often wet, with longer nights. For comparison, the warmest month is July (around 14°C) and the coolest is January (around 1°C).
- Is Reykjavik crowded in September?
- Crowds are moderate. Steady visitor numbers; the main sights are busiest around midday. The quietest month is November.
- How expensive is Reykjavik in September?
- Prices are at level 3 of 5 ($$$). Mid-range hotel rates. The best-value month is November.
- When is the best time to visit Reykjavik?
- In the CrowdFreeViews month scores, May is the best month overall (this month). The quietest month is November and the best value is November.
Ready to book September in Reykjavik?
Good chances for early aurora and fewer visitors.
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