IcelandCountries Iceland September Temperatures
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Temperatures in September
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Temperature in Iceland in September

Iceland, experiences maximum daytime temperatures in September ranging from 8°C in Jokulsarlon Glacial Lagoon to 13°C in Hella. Nighttime temperatures generally drop to 7°C in Hella and 4°C in Jokulsarlon Glacial Lagoon.

What is the temperature of the different cities in Iceland in September?

Explore the map below to discover average September temperatures at the top destinations in Iceland. For a deeper dive, simply click on any destination dot.

Weather conditions Weather
Temperatures
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Iceland, check out our Iceland's climate page.

  • What is the warmest city in September in Iceland?
    • According to our recent database analysis, Hella is the warmest city. It experiences an average maximum daytime temperature of approximately 13°C and rarely drops below 7°C during the night.

  • What is the coldest city in September in Iceland?
    • The coldest city in September in Iceland is Jokulsarlon Glacial Lagoon when we check our database. The maximum daytime temperatures are around 8°C and minimum nighttime temperatures fall around 4°C.

  • How much sun does Iceland get in September?
    • The city Reykjavík usually sees around 121 hours of sunlight, indicating a moderately sunny period.

  • What is the water's temperature in September?
    • The water temperature averages approximately 11°C in Vestmannaeyjar this month, so not the best month to swim.

    Interested in more climate information?

    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.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.