Vantaa in september: average Weather, Temperature and Climate
Weather in Vantaa in september 2025
The weather in Vantaa in the month of september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather 0.3cm
Weather at 6am
54°F
Partly Cloudy
29% of time
28%
23%
15%
Weather at 12pm
61°F
Clear/Sunny
30% of time
24%
21%
20%
Weather at 6pm
56°F
Clear/Sunny
30% of time
27%
24%
13%
Weather at 3am
52°F
28%
24%
18%
18%
Evolution of daily average temperature and precipitation in Vantaa in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Vantaa in september.
The climate of Vantaa in september is good
The climate in september in Vantaa is rather dry (with 3.4in of rainfall over 5 days). This is better than the previous month since in august it receives an average of 4in of precipitation over 7 days.
The climate is relatively cool in that area the month of september, but it is liveable when dressing cosy. The thermometer averaged maximum of 61°F. In the morning the temperature drops to 54°F. Thus, the mean temperature average in september in Vantaa is 58°F. These temperatures are far removed from those records observed in Vantaa in the month of september with a maximum record of 74°F in 2018 and a minimum record of 36°F in 2013. You can plan to have about 8 days with temperatures above 65°F, or 27% of the month.
On this month of september, day length in Vantaa is generally 12:53. The sun rises at 05:48 and sets at 18:41.
With proper weather, this month is okay (but not the best) to go in Vantaa in Finland.
Seasonal average climate and temperature of Vantaa in september
Check below seasonal norms These datas are set from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 58°F | ||||
| Highest temperature | 61°F | ||||
| Lowest temperature | 54°F | ||||
| Highest record temperature | 74°F (2018) | ||||
| Lowest record temperature | 36°F (2013) | ||||
| Number of days at +65°F | 8 day(s) (27%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Sea temperature | |||||
| Average sea temperature | 60°F | ||||
| Lowest sea temperature | 53°F | ||||
| Highest sea temperature | 67°F | ||||
| Wind | |||||
| Wind speed | 18km/h | ||||
| Wind temperature | 52°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.4in | ||||
| Number of days with rainfall | 5 day(s) (18%) | ||||
| Record daily rainfall | 1.5in (2012) | ||||
| Snowfall | 0.3cm | ||||
| Other climate data | |||||
| Humidity | 85% | ||||
| Visibility | 9.29km | ||||
| Cloud cover | 47% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:48 | ||||
| Time of sunset | 18:41 | ||||
| Length of day | 12:53 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Vantaa in september 2024:
58°F to 61°F
58°F to 65°F
59°F to 70°F
61°F to 70°F
59°F to 72°F
59°F to 68°F
58°F to 70°F
59°F to 70°F
58°F to 70°F
63°F to 68°F
59°F to 65°F
59°F to 67°F
59°F to 63°F
61°F to 68°F
54°F to 61°F
54°F to 67°F
58°F to 68°F
52°F to 65°F
52°F to 67°F
52°F to 68°F
52°F to 61°F
41°F to 52°F
49°F to 58°F
58°F to 65°F
59°F to 63°F
56°F to 59°F
58°F to 59°F
52°F to 56°F
43°F to 52°F
41°F to 52°F
Map: other cities in Finland in september
Cities near Vantaa:
| Helsinki in september | good weather |
| Porvoo in september | good weather |
| Kirkkonummi in september | good weather |
| Mäntsälä in september | good weather |
| Riihimäki in september | good weather |
| Lohja in september | good weather |
| Ingå in september | good weather |
| Lahti in september | tolerable weather |
| Hämeenlinna in september | tolerable weather |
| Ekenäs in september | good weather |
| Forssa in september | good weather |
| Salo in september | good weather |
Click over cities on the map for information about the weather in september.
Vantaa
perfect weather
good
tolerable
bad
very bad
Weather data for Vantaa in september:
Weather data for Vantaa for september are derived from an average of the weather forecast since 2009 in Vantaa. There is a margin of error and these forecasts are to be considered as general information only. The weather in Vantaa can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Vantaa.