Hvammstangi Weather in September
September in Hvammstangi sees daytime temperatures around 10°C (50°F) and lows of 5°C (41°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.
Rainfall in Hvammstangi in September
Prepare for the wettest month with an umbrella to protect yourself from frequent rain. Looking at the last 30 years, the data shows about 18 days with rain, averaging 116 mm (4.6 in) for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Hvammstangi in September
In September, Hvammstangi gets low temperatures, with highs of 10°C (50°F). Nights cool to around 5°C (41°F). It stays cool throughout the day, so warm layers are a good idea from morning to evening. At 5°C (41°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Hvammstangi. 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 Hvammstangi's climate page.
Hvammstangi Temperature in September
Min Temperature
5°C (41°F)
Max Temperature
10°C (50°F)
Chance of Rain
60%
Precipitation
116 mm (4.6 in)
Rainy days
18 days
Daily Historical Temperatures
43-year average (1983-2025)
Based on our historical records, temperatures in Hvammstangi typically drop from around 11°C (52°F) at the start of September to approximately 8°C (46°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 6°C (43°F).
Average temperatures in September
Historical weather for Hvammstangi in September
Browse day-by-day weather records for Hvammstangi spanning 47 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Hvammstangi historical weather extremes in September
Based on weather observations in Hvammstangi between 1996 and 2025, these are the recorded extremes during September.
- On September 4, 2010, temperatures climbed to 21°C (70°F), marking the warmest September day on record.
- Hvammstangi experienced its chilliest September day on September 23, 2005, reaching only 0°C (32°F).
- Hvammstangi registered its coldest September night on September 23, 2010, with temperatures dropping to -5°C (23°F).
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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What to Wear in Hvammstangi 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.What To Do in Hvammstangi 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 Hvammstangi's climate page.
See the full Hvammstangi climate overview or explore weather in Iceland.
