Mikkeli in september: average Weather, Temperature and Climate
Weather in Mikkeli in september 2025
The weather in Mikkeli in september comes from statistical datas on the last years. You can view the weather statistics for the whole month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather 10.5cm
Weather at 6am
50°F
Partly Cloudy
27% of time
26%
25%
11%
Weather at 12pm
59°F
Cloudy
27% of time
25%
22%
22%
Weather at 6pm
52°F
Clear/Sunny
25% of time
23%
22%
18%
Weather at 3am
49°F
36%
16%
15%
15%
Evolution of daily average temperature and precipitation in Mikkeli in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Mikkeli in september.
The climate of Mikkeli in september is tolerable
The weather in september in Mikkeli is rather dry (with 3.1in of precipitation over 4 days). Unfortunately, the weather conditions is worsening than the previous month since in august there is an average of 3.4in of precipitation over 6 days.
The climate is rather cold around this city september, but it is liveable by dressing warm. The high seasonal norm is 59°F. The seasonal minimum is 50°F. Thus, the mean temperature average on this month of september in Mikkeli is 56°F. These temperatures are far removed from those records observed in Mikkeli in the month of september with a maximum record of 74°F in 2018 and a minimum record of 34°F in 2013. You can plan to have about 6 days with temperatures above 65°F, or 20% of time.
On this month of september, day length in Mikkeli is generally 12:56. The sun rises at 05:37 and sets at 18:33.
With a correct weather, the month of september is okay (but not good) to go in Mikkeli in Finland.
Mikkeli: another month?
If you can push the dates of your trip to Mikkeli forward, the month of october has a better weather forecast than september. more information
September: another location in Finland?
If you want to go to Finland in september, there are destinations with better weather than Mikkeli:
In september, Helsinki, Turku, Masku, Pori, Turku Archipelago (Abo Skargard) and Ekenäs have good weather.
Seasonal average climate and temperature of Mikkeli in september
Check below seasonal norms These statistics are compiled from the weather statements of the past years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 56°F | ||||
| Highest temperature | 59°F | ||||
| Lowest temperature | 50°F | ||||
| Highest record temperature | 74°F (2018) | ||||
| Lowest record temperature | 34°F (2013) | ||||
| Number of days at +65°F | 6 day(s) (20%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 15km/h | ||||
| Wind temperature | 49°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.1in | ||||
| Number of days with rainfall | 4 day(s) (15%) | ||||
| Record daily rainfall | 1.2in (2015) | ||||
| Snowfall | 10.5cm | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 8.25km | ||||
| Cloud cover | 55% | ||||
| UV index | 4 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:37 | ||||
| Time of sunset | 18:33 | ||||
| Length of day | 12:56 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Mikkeli in september 2024:
54°F to 65°F
52°F to 72°F
59°F to 74°F
59°F to 74°F
59°F to 74°F
59°F to 74°F
56°F to 72°F
58°F to 72°F
56°F to 72°F
59°F to 76°F
58°F to 68°F
59°F to 72°F
59°F to 68°F
58°F to 68°F
58°F to 59°F
50°F to 67°F
58°F to 67°F
52°F to 63°F
50°F to 67°F
54°F to 63°F
50°F to 54°F
40°F to 50°F
43°F to 52°F
49°F to 63°F
52°F to 65°F
56°F to 58°F
56°F to 59°F
49°F to 56°F
45°F to 50°F
40°F to 49°F
Map: other cities in Finland in september
Cities near Mikkeli:
| Saimaa in september | tolerable weather |
| Varkaus in september | tolerable weather |
| Heinola in september | tolerable weather |
| Lappeenranta in september | tolerable weather |
| Savonlinna in september | tolerable weather |
| Joutseno in september | tolerable weather |
| Kouvola in september | tolerable weather |
| Imatra in september | tolerable weather |
| Jyväskylä in september | tolerable weather |
| Jämsä in september | tolerable weather |
| Lahti in september | tolerable weather |
| Hamina in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Mikkeli
perfect weather
good
tolerable
bad
very bad
Weather data for Mikkeli in september:
Weather data for Mikkeli for september are derived from an average of the weather forecast since 2009 in Mikkeli. There is a margin of error and these forecasts are to be considered as general information only. The weather in Mikkeli 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 Mikkeli.