Vestmannaeyjar Weather in September
September in Vestmannaeyjar typically sees daytime highs of 12°C (54°F) and nighttime lows of 8°C (46°F). September falls within the rainy season, so heavy rainfall is to be expected.
Rainfall in Vestmannaeyjar in September
As part of the rainy season, Vestmannaeyjar sees around 18 days of rain in September, with an average of 201 mm (7.9 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Vestmannaeyjar in September
September in Vestmannaeyjar brings moderate temperatures, with highs of 12°C (54°F) and nights around 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.September in Vestmannaeyjar has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
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 Vestmannaeyjar's climate page.
Vestmannaeyjar Temperature in September
Min Temperature
8°C (46°F)
Max Temperature
12°C (54°F)
Chance of Rain
60%
Precipitation
201 mm (7.9 in)
Rainy days
18 days
Humidity
85% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Vestmannaeyjar typically stay consistent throughout September, with daily highs averaging around 12°C (54°F). Nights are cold, with lows typically ranging from 6°C (43°F) to 8°C (46°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Vestmannaeyjar in September
Browse day-by-day weather records for Vestmannaeyjar spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Vestmannaeyjar historical weather extremes in September
Based on 49 years of weather observations in Vestmannaeyjar between 1976 and 2025, these are the recorded extremes.
- The warmest day in September was on September 16, 2015, with a maximum of 17°C (63°F).
- The coldest September day was on September 19, 1990, with a maximum of 3°C (37°F).
- The coldest night in September in Vestmannaeyjar was on September 30, 1994, with a minimum of -2°C (28°F).
- Peak precipitation in September occurred on September 12, 2007, when 83 mm (3.3 in) of precipitation was measured.
Best Places in Iceland in September
Find out more about the weather in Iceland and which places have the best travel conditions in this month. See all of Iceland in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Vestmannaeyjar in September
The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can.What To Do in Vestmannaeyjar in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Vestmannaeyjar's climate page.
See the full Vestmannaeyjar climate overview or explore weather in Iceland.
