Garðabær in September
The weather in September
In September, Garðabær averages daytime highs of 12° and night-time lows of 6° — cool weather by day. Expect around 122 mm of precipitation spread over about 20 wet days, with average cloud cover near 51%.
Days are 2.8° cooler than in August on average, and October is cooler again by about 3.9°. The sea averages 10°, too cold for most swimmers.
September scores 25/100 — poor conditions for sightseeing — and ranks 4th of the twelve months for Garðabær. For the most comfortable weather, consider June, July and August instead.
Around the middle of the month the sun rises at 06:51 and sets at 19:57 local time, giving 13 h 06 min of daylight. Days shorten by 186 minutes over the month.
Why 25/100?
How the score for September is builtBeach score this month: 10/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Festivals in the region in September
- Reykjavík International Film FestivalFilm festival · Sep–OctReykjavík
Only the month is given: the exact dates change from year to year.
Around Garðabær this month
Keflavík
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Iceland's best in September
Keflavík
Garðabær in September: quick answers
Is September a good time to visit Garðabær?
September scores 25/100 for Garðabær, which we rate as poor. Average highs are 12°C with 20 wet days.
How warm is Garðabær in September?
Daytime highs average 12°C and night-time lows 6°C in September.
Does it rain a lot in Garðabær in September?
Garðabær receives about 122 mm of precipitation in September, falling on around 20 days.
Can you swim in Garðabær in September?
The sea averages 10°C in September, cold for most swimmers.