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Vantaa in September
The weather in September
In September, Vantaa averages daytime highs of 16° and night-time lows of 8° — cool weather by day. Expect around 66 mm of precipitation spread over about 12 wet days, with average cloud cover near 42%.
Days are 5.4° cooler than in August on average, and October is cooler again by about 6.9°. The sea averages 14°, too cold for most swimmers.
September scores 54/100 — fair conditions for sightseeing — and ranks 5th of the twelve months for Vantaa. For the most comfortable weather, consider May, June and July instead.
Around the middle of the month the sun rises at 06:47 and sets at 19:45 local time, giving 12 h 57 min of daylight. Days shorten by 159 minutes over the month.
Why 54/100?
How the score for September is builtBeach score this month: 15/100 (adds sea temperature and heat).
Comfort peaks for daytime highs between 18° and 25°C (64–77°F).
Festivals in the region in September
- Helsinki International Film FestivalFilm festivalHelsinki
- Artova Film FestivalFilm festivalHelsinki
Only the month is given: the exact dates change from year to year.
Around Vantaa this month
Finland's best in September
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Vantaa in September: quick answers
Is September a good time to visit Vantaa?
September scores 54/100 for Vantaa, which we rate as fair. Average highs are 16°C with 12 wet days.
How warm is Vantaa in September?
Daytime highs average 16°C and night-time lows 8°C in September.
Does it rain a lot in Vantaa in September?
Vantaa receives about 66 mm of precipitation in September, falling on around 12 days.
Can you swim in Vantaa in September?
The sea averages 14°C in September, cold for most swimmers.