September · typical climate, not a forecast
Reykjavík in September
Iceland
11°CCold
60/100
Workable
11°C day · 8°C night · 48% rain · 13h daylight · moderate crowds · €1,455 estimated
Live · Reykjavík
–°C
Reading…
Live · Tallinn (you)
–°C
Reading…
Cool Score breakdown
Scored for 5 nights from Tallinn in September.
- Temperature fit79
11.3°C typical high vs your 12–20°C window
w 26 - Heat escape45
5°C cooler than Tallinn
w 14 - Rain probability52
48% chance of rain on an average day
w 11 - Daylight hours62
12.6h of daylight mid-month
w 8 - Outdoor conditions60
Comfortable for a full day outside at 11.3°C
w 10 - Crowding46
Moderate crowds for this month
w 8 - Flight + stay cost33
≈€1455 estimated for 5 nights vs €1000 budget
w 12 - Nature access90
9/10 — wild ground within reach
w 6 - City atmosphere74
7/10 urban texture · 8/10 food scene
w 4
Why Reykjavík in September
Summer never really gets warm here — that is the entire point.
- Geothermal lagoons
- Reykjanes lava fields
- Puffin boat trips
Other months
Compare the typical climate month by month.