Weather in Helsinki in Autumn
| September | October | November | ||||
| Average day temperature: | 59.2°F | 47.8°F | 40.2°F | |||
| Average night temperature: | 52.7°F | 43.8°F | 38.0°F | |||
| Sea water temperature: | 58.8°F | 50.3°F | 44.2°F | |||
| Number of sunny days: | 10 days | 7 days | 5 days | |||
| Day length: | 11.5 - 14.2 h. | 8.8 - 11.4 h. | 6.5 - 8.7 h. | |||
| Number of rainy days: | 4 days | 4 days | 4 days | |||
| Precipitation totals: | 1.9 in. | 2.2 in. | 2.1 in. | |||
current
weather
weather
| Helsinki |
monthly
weather
weather
| Helsinki |
sea water
temperature
temperature
| Helsinki |
14 days
forecast
forecast
| Helsinki |
Day & Night air temperature, °F
September
October
November
0
10
20
30
40
50
60
70
38.8
47.4
58.8
37.4
43.9
52.2
| Day temperature | Night temperature |
Sea water temperature, °F
September
October
November
0
10
20
30
40
50
60
70
44.2
50.3
58.8
Precipitation total, in.
September
October
November
0.0
0.4
0.9
1.3
1.7
2.2
2.6
3.1
3.5
2.2
2.5
1.7
Sunny, partly cloudy and cloudy days
September
October
November
0
5
10
15
20
25
30
35
21
18
11
6
8
11
3
5
8
| Cloudy days | Partly cloudy days | Sunny days |
weather in
winter
winter
| Helsinki |
weather in
spring
spring
| Helsinki |
weather in
summer
summer
| Helsinki |
weather in
autumn
autumn
| Helsinki |
Wind speed, mph
September
October
November
0.0
2.0
3.9
5.9
7.8
9.8
11.7
13.7
11.4
11.2
9.7
Average sunny hours
September
October
November
0
1
2
3
4
5
6
7
8
2.2
4.1
7
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
Best time for vacation in Helsinki
Helsinki on a weather map
Leaflet | Tiles © Esri
Places in Finland:
Name
°F
24 Hours Forecast
Helsinki
Local time: 13:26
April 05, saturday
1500
34°F
SW
16 mph
16 mph
1800
34°F
S
16 mph
16 mph
2100
30°F
S
14 mph
14 mph
April 06, sunday
0000
30°F
S
14 mph
14 mph
0300
28°F
S
14 mph
14 mph
0600
28°F
S
12 mph
12 mph
0900
30°F
S
9 mph
9 mph
1200
34°F
SW
4 mph
4 mph
