Hvolsvöllur Weather in September
September in Hvolsvöllur typically sees daytime highs of 12°C (54°F) and nighttime lows of 6°C (43°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Hvolsvöllur in September
Expect around 18 days of rain based on historical data, with 177 mm (7 in) average. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Hvolsvöllur in September
Daytime temperatures in Hvolsvöllur reach 12°C (54°F) in September, dropping to 6°C (43°F) at night. Conditions are often most pleasant around the middle of the day. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Hvolsvöllur. Our weather planner can help you explore destinations with more pleasant weather conditions.
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 Hvolsvöllur's climate page.
Hvolsvöllur Temperature in September
Min Temperature
6°C (43°F)
Max Temperature
12°C (54°F)
Chance of Rain
59%
Precipitation
177 mm (7 in)
Rainy days
18 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Hvolsvöllur typically stay consistent throughout September, with daily highs averaging around 12°C (54°F). Nights are cold, with lows typically ranging from 5°C (41°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 Hvolsvöllur in September
Browse day-by-day weather records for Hvolsvöllur spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hvolsvöllur historical weather extremes in September
According to our 49 years of weather records for Hvolsvöllur, the following extremes were recorded between 1976 and 2025.
- The hottest September day on record in Hvolsvöllur reached 17°C (63°F) (September 1, 2006).
- The coldest September day was on September 20, 1990, with a maximum of 3°C (37°F).
- The lowest overnight temperature recorded in September was -2°C (28°F) (September 30, 1994).
- 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 Hvolsvöllur in September
Pack for changing conditions in Hvolsvöllur in September. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Heavy rain is guaranteed, please bring a good poncho and waterproof everything!What To Do in Hvolsvöllur 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 Hvolsvöllur's climate page.
See the full Hvolsvöllur climate overview or explore weather in Iceland.
