Measurements:
°C
°F
CURRENT WEATHER
01:07
Vantaa
62°F
NE 13 mph
Feels like: 62°F
Precip: 29%
World Resorts Finland Vantaa Weather

7 Day Weather Forecast

09.09
wed
DAY
62°F
NE 9 mph
precip
32%
NIGHT
62°F
N 9 mph
precip
77%
09.10
thu
DAY
58°F
NE 19 mph
precip
42%
NIGHT
52°F
E 14 mph
precip
25%
09.11
fri
DAY
60°F
SE 13 mph
precip
4%
NIGHT
56°F
NE 8 mph
precip
30%
09.12
sat
DAY
62°F
NE 16 mph
precip
46%
NIGHT
54°F
E 4 mph
precip
30%
09.13
sun
DAY
58°F
N 4 mph
precip
27%
NIGHT
54°F
E 5 mph
precip
20%
09.14
mon
DAY
62°F
E 3 mph
precip
10%
NIGHT
58°F
SE 4 mph
precip
19%
09.15
tue
DAY
62°F
N 5 mph
precip
11%
NIGHT
56°F
W 2 mph
precip
80%

Vantaa Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Vantaa was 15.3°F. The maximum and minimum values were 12.7°F and 17.3°F respectively.

Vantaa on the Weather Map

Best Time to Visit Vantaa
The most sunny months:
June 14 days
May 13 days
July 13 days
The most warm months:
July 72.5 °F
August 70.0 °F
June 67.4 °F
Warmest sea temperature:
August 64.4 °F
July 63.2 °F
September 59.8 °F
The most cold months:
January 23.9 °F
February 25.3 °F
December 30.5 °F
The most rainy months:
October 4 days
August 4 days
September 4 days
The most windy months:
December 10 mph
November 9 mph
January 9 mph
more details