September · Iceland
Best time to visit Golden Circle in September Weather, crowds & prices
Weather in Golden Circle in September
Average temperature 6°C, 116 mm of rain, about 0 days with 6+ hours of sunshine and 87% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
4.3/10
Ranked #6 of 12 months
- Avg temp
- 6°C
- Rainfall
- 116 mm
- Humidity
- 87%
- Days with 6h+ sun
- 0
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Golden Circle scores 4.3/10 for sightseeing and cultural travel - an above-average month (#6 of 12). Expect around 6°C, 116 mm of rain, and roughly 0 days with 6+ hours of sunshine this month.
Iceland's Golden Circle links Þingvellir rift valley, Geysir hot springs, and Gullfoss waterfall on a classic day loop from Reykjavík. Best window: the short high-summer window when daylight peaks.
September in Golden Circle — off-season conditions
September averages 6°C (42°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 116 mm this is a genuinely wet month: almost no days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 4.3/10 here, 6th of 12 months, against 6.8/10 in the destination's best month.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella.
Figure on mid-season pricing, with crowds are moderate.
Flexible dates? July scores 2.5 points higher here — enough to change the trip.
Frequently asked
- What is the weather like in Golden Circle in September?
- In September, Golden Circle averages 6°C, 116 mm of rain, and about 0 days with 6+ hours of sunshine. Its climate-comfort score is 4.3/10.
- Is September a good time to visit Golden Circle?
- September earns a 4.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Golden Circle in September?
- Expect about 116 mm of rain in September. Average humidity is 87% and there are about 0 days with 6+ hours of sunshine.
Curated in Golden Circle
Tickets & experiences
Things to do in Golden Circle
Golden Circle, Iceland. Live activities and tours from GetYourGuide, matched to this destination.