September · Iceland
Best time to visit Stykkishólmur in September Weather, crowds & prices
Weather in Stykkishólmur in September
Average temperature 7°C, 102 mm of rain, about 0 days with 6+ hours of sunshine and 85% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
4.8/10
Ranked #6 of 12 months
- Avg temp
- 7°C
- Rainfall
- 102 mm
- Humidity
- 85%
- Days with 6h+ sun
- 0
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Stykkishólmur scores 4.8/10 for nature and wildlife travel - an above-average month (#6 of 12). Expect around 7°C, 102 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Stykkishólmur anchors the Snæfellsnes peninsula with a colourful harbour and ferry links into Breiðafjörður. Best window: the short high-summer window when daylight peaks.
September in Stykkishólmur — the hardest end of the year
Expect 7°C (44°F) in September. A good month for city streets, viewpoints and long meals; leave swimming for another season.
102 mm of rain signals a properly wet month, with only almost no days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 4.8/10 on the same scale — 6th of 12 months, versus 7.5/10 for the best month here.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
Expect mid-season pricing, and crowds are moderate.
If your dates are flexible, July is materially better in Stykkishólmur — 2.7 points higher on the same scale.
Frequently asked
- What is the weather like in Stykkishólmur in September?
- In September, Stykkishólmur averages 7°C, 102 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 4.8/10.
- Is September a good time to visit Stykkishólmur?
- September earns a 4.8/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Stykkishólmur in September?
- Expect about 102 mm of rain in September. Average humidity is 85% and there are about 0 days with 6+ hours of sunshine.
Curated in Stykkishólmur
Tickets & experiences
Things to do in Stykkishólmur
Stykkishólmur, Iceland. Live activities and tours from GetYourGuide, matched to this destination.