September · Iceland
Best time to visit Ísafjörður in September Weather, crowds & prices
Weather in Ísafjörður in September
Average temperature 5°C, 114 mm of rain, about 0 days with 6+ hours of sunshine and 89% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
4.2/10
Ranked #5 of 12 months
- Avg temp
- 5°C
- Rainfall
- 114 mm
- Humidity
- 89%
- Days with 6h+ sun
- 0
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Ísafjörður scores 4.2/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 5°C, 114 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Ísafjörður is the Westfjords’ hub-steep fjord walls, remote hiking, and midnight-sun fishing-town calm. Best window: the short high-summer window when daylight peaks.
September in Ísafjörður: expect compromises
Expect 5°C (41°F) in September. A good month for city streets, viewpoints and long meals; leave swimming for another season.
114 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 4.2/10 on the same scale — 5th of 12 months, versus 6.5/10 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.
Budget for mid-season pricing, and crowds are moderate.
If your dates are flexible, June is materially better in Ísafjörður — 2.3 points higher on the same scale.
Frequently asked
- What is the weather like in Ísafjörður in September?
- In September, Ísafjörður averages 5°C, 114 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 4.2/10.
- Is September a good time to visit Ísafjörður?
- September earns a 4.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Ísafjörður in September?
- Expect about 114 mm of rain in September. Average humidity is 89% and there are about 0 days with 6+ hours of sunshine.
Curated in Ísafjörður
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