Daytime highs, nighttime lows and the warmest cities in Reykjanes, Iceland this September.
Reykjanes, Iceland, a region in Iceland, typically experiences cold weather in September, with maximum daytime temperatures around 12°C (54°F) and nighttime temperatures around 8°C (46°F) in Keflavík.
Explore the map below to discover average September temperatures at the top destinations in Reykjanes. For a deeper dive, simply click on any destination dot.
Check the conditions for any month of the year.
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Reykjanes.
Marker color shows the average daytime high temperature in September: blue is cold, red is hot.
Keflavík averages a daytime high of 12°C (54°F) in September, which is low for Reykjanes, Iceland.
Nighttime temperatures in Keflavík typically drop to around 8°C (46°F) in September.
Most cities enjoy a balanced amount of sunshine, with around 121 hours of sunlight anticipated in Keflavík. This ensures the days are neither too dim nor excessively sunny.
We have much more information about the climate in Reykjanes.
Weather and climate has detailed information for every country in the world. Are you going to Iceland? Get detailed historical weather averages for many cities in Iceland.
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