The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Vantaa Weather in September

Vantaa in September

The short of it: Vantaa in September averages a high of 16 °C (60 °F) and a low of 7 °C (45 °F), with 57 mm (2.2 in) of rain and about 12 h 45 min of daylight. Rated 3 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.

Average high 16° · low 7° · rain 57 mm · daylight 12 h 45 min

✦✦✦ Fair for a visit · best months: July & August

September in Vantaa brings afternoons near 16° and nights around 7°, with about 57 mm of rain over the month. The year turns hard here: highs drop 5° from August to about 16°, with nights near 7°. Rain is modest, about 57 mm, the 7th wettest month.

The sun is up for about 12 h 45 min in mid-September, 174 minutes less than a month before.

For the traveller: pack layers, a wool coat and stout boots. The Almanac rates September 3 of 5 for a visit; the finest months here are July and August.

Against its neighbours, Vantaa runs warmer than most and about as wet in September. Suutarila, 2 km to the SW, sees much the same highs.

September in Vantaa, by the numbers

Warmth rank
5th warmest of 12
Rain rank
7th wettest of 12
Versus August
5° colder, 12 mm less rain
Versus October
7° warmer
Day–night spread
8°
Snow season
Nov–Apr
Daylight, mid-month
12 h 45 min
Average wind
13 km/h

Neighbouring Towns

September averages · distance by the crow’s flight
TownDistanceHighLowRain
SuutarilaUusimaa2 km SW16°8°57 mm
SuurmetsäUusimaa3 km SSE15°8°58 mm
HakunilaUusimaa4 km ESE15°8°58 mm
TapaninkyläUusimaa4 km SW16°8°57 mm
KontulaUusimaa7 km SSE15°8°57 mm
MellunkyläUusimaa7 km SSE15°8°57 mm
ViikkiUusimaa8 km S15°8°56 mm
MyllypuroUusimaa8 km S15°8°56 mm

The Almanac · Vantaa Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Fair
The Almanac Speaks
September
✦✦✦✦✦

The year turns hard here: highs drop 5° from August to about 16°, with nights near 7°. Rain is modest, about 57 mm, the 7th wettest month.

Climate of Vantaa by month
MonthHighLowRainWindDaylightVisit
January-1°-7°48 mm15 km/h6 h 35 min✦
February-2°-8°38 mm14 km/h9 h 0 min✦✦
March2°-5°36 mm14 km/h11 h 34 min✦✦
April9°0°34 mm13 km/h14 h 29 min✦✦✦
May16°5°37 mm13 km/h17 h 11 min✦✦✦✦
June20°10°62 mm13 km/h18 h 55 min✦✦✦✦
July23°13°66 mm12 km/h18 h 10 min✦✦✦✦
August21°12°69 mm11 km/h15 h 39 min✦✦✦✦
September16°7°57 mm13 km/h12 h 45 min✦✦✦
October9°3°76 mm14 km/h9 h 56 min✦
November4°-1°68 mm15 km/h7 h 18 min✦✦
December1°-4°58 mm15 km/h5 h 49 min✦✦

Questions Readers Ask about Vantaa in September

Answered from the wire & the Almanac

What is the weather like in Vantaa in September?

Days average 16 °C (60 °F) and nights 7 °C (45 °F), with about 57 mm (2.2 in) of rain over the month. The year turns hard here: highs drop 5° from August to about 16°, with nights near 7°. Rain is modest, about 57 mm, the 7th wettest month.

Is September a good time to visit Vantaa?

The Almanac gives September 3 of 5 (fair). The best months are July and August.

How long are the days in Vantaa in September?

In mid-September the sun is up for about 12 h 45 min. The days are shortening — from 5 h 49 min in December to 18 h 55 min in June.

Does it snow in Vantaa in September?

Hardly — September nights average 7 °C (45 °F), above freezing.

What should I pack for Vantaa in September?

Layers, a warm coat and stout boots.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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