Turku in september: average Weather, Temperature and Climate
Weather in Turku in september 2025
The weather in Turku in september comes from statistical datas on the last years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather
Weather at 6am
56°F
Clear/Sunny
32% of time
30%
19%
15%
Weather at 12pm
61°F
Clear/Sunny
32% of time
24%
22%
17%
Weather at 6pm
56°F
Clear/Sunny
38% of time
26%
19%
13%
Weather at 3am
52°F
30%
27%
19%
14%
Evolution of daily average temperature and precipitation in Turku in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Turku in september.
The climate of Turku in september is good
the weather in Turku in september is wet (with 3in of rainfall over 5 days). Unfortunately, the weather conditions is worsening than the previous month since in august there is an average of 3.7in of rainfall over 6 days.
The climate is quite fresh in this city this month, but it is liveable by dressing hot. The thermometer averaged maximum of 61°F. The seasonal minimum is 54°F. Thus, the mean temperature average on this month of september in Turku is 58°F. Note that seasonal normals are in contrast with those observed in Turku in september with a maximum record of 74°F in 2018 and a minimum record of 36°F in 2014. You can plan to have about 6 days with temperatures above 65°F, or 20% of the month.
Day length in Turku in september is 12:53. The sun rises at 05:59 and sunset is at 18:52.
With a correct weather, the month of september is okay (but not good) to go in this city in Finland.
Seasonal average climate and temperature of Turku 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 (2014) | ||||
| Number of days at +65°F | 6 day(s) (20%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Sea temperature | |||||
| Average sea temperature | 51°F | ||||
| Lowest sea temperature | 33°F | ||||
| Highest sea temperature | 69°F | ||||
| Wind | |||||
| Wind speed | 21km/h | ||||
| Wind temperature | 52°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3in | ||||
| Number of days with rainfall | 5 day(s) (16%) | ||||
| Record daily rainfall | 1.2in (2010) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 84% | ||||
| Visibility | 9.4km | ||||
| Cloud cover | 43% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:59 | ||||
| Time of sunset | 18:52 | ||||
| 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 Turku in september 2024:
56°F to 58°F
52°F to 61°F
52°F to 68°F
58°F to 76°F
59°F to 76°F
59°F to 70°F
58°F to 70°F
59°F to 70°F
59°F to 70°F
63°F to 65°F
58°F to 65°F
54°F to 61°F
54°F to 65°F
54°F to 56°F
47°F to 63°F
49°F to 65°F
54°F to 65°F
50°F to 63°F
52°F to 65°F
56°F to 68°F
54°F to 61°F
41°F to 52°F
49°F to 61°F
56°F to 65°F
59°F to 61°F
56°F to 58°F
54°F to 59°F
49°F to 52°F
41°F to 50°F
41°F to 54°F
Map: other cities in Finland in september
Cities near Turku:
| Naantali in september | good weather |
| Masku in september | good weather |
| Pargas in september | good weather |
| Turku Archipelago (Abo Skargard) in september | good weather |
| Salo in september | good weather |
| Uusikaupunki in september | tolerable weather |
| Hanko in september | tolerable weather |
| Ekenäs in september | good weather |
| Forssa in september | good weather |
| Rauma in september | tolerable weather |
| Lohja in september | good weather |
| Ingå in september | good weather |
Click over cities on the map for information about the weather in september.
Turku
perfect weather
good
tolerable
bad
very bad
Weather data for Turku in september:
Weather data for Turku for september are derived from an average of the weather forecast since 2009 in Turku. There is a margin of error and these forecasts are to be considered as general information only. The weather in Turku 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 Turku.