Iisalmi in Fall
In fall (September, October and November), Iisalmi sees average daytime highs around 6°C and overnight lows near 1°C, with 179 mm of precipitation over about 34 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 16°C in early September to -2°C by late November. The sky is clear or mostly clear about 9% of the time across fall, and the air most often feels dry.
Fall is Iisalmi's 3rd-best season to visit on our travel score. For the whole year in context, see Iisalmi's year-round climate.
- Avg daytime high
- 6°C
- 3rd-warmest season
- Avg overnight low
- 1°C
- Precipitation
- 179 mm
- 34 wet days
- Avg wind
- 12 km/h
- Travel score
- 1.3
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Iisalmi in Fall
Over the season highs ease from about 16°C in early September to -2°C by late November.
A typical fall day in Iisalmi reaches about 6°C and drops to 1°C overnight. The warmest of the three months is September, the coolest November.
How fall really feels in Iisalmi
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 59 that feel at or below 0°C.
The story in fall is cold — wind chill drags the overnight "feels like" below the raw low.
Iisalmi weather by month
How the three fall months (September, October and November) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | -6° / -11° | 39 | 10.2 | 11.8 | 5.2 | 0.0 |
| Feb | -5° / -12° | 33 | 8.7 | 10.1 | 8 | 0.0 |
| Mar | -0° / -8° | 34 | 9.2 | 9.8 | 11.2 | 0.0 |
| Apr | 7° / -3° | 37 | 9.1 | 4.9 | 14.5 | 0.8 |
| May | 14° / 3° | 57 | 11.1 | 0.8 | 17.7 | 3.7 |
| Jun | 18° / 9° | 79 | 12.5 | 0 | 19.8 | 5.4 |
| Jul | 21° / 12° | 93 | 13.9 | 0 | 18.9 | 5.7 |
| Aug | 19° / 10° | 76 | 12.4 | 0 | 16 | 5.5 |
| Sep | 13° / 6° | 64 | 11.2 | 0.1 | 12.7 | 3.3 |
| Oct | 5° / 1° | 61 | 11.8 | 3.4 | 9.4 | 0.5 |
| Nov | -0° / -4° | 55 | 11.4 | 8.2 | 6.2 | 0.0 |
| Dec | -4° / -8° | 51 | 12.3 | 12.2 | 4.2 | 0.0 |
Cloud cover in Fall
The sky is clear or mostly clear about 9% of the time across fall.
Chance of precipitation in Fall
Iisalmi gets around 179 mm of rain and snow over 34 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 12 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 14 h 12 min in early September to 4 h 54 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 1.0 kWh/m².
Is fall a good time to visit Iisalmi?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is a weaker month for outdoor sightseeing in Iisalmi.
What to pack for Iisalmi in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Iisalmi sees daytime highs around 6°C and nights near 1°C. Pack a warm layer and a heavy coat. Worth having: rain gear. About 34 days see rain.
UV index in Iisalmi in Fall
Clear-sky midday UV across fall averages around 1. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Iisalmi peaks around July 15 at about 5 (moderate) — a little sun protection helps at midday. It bottoms out near January 1 at about 0 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 0 | 0 | 1 | 3 | 4 | 4 | 5 | 4 | 2 | 1 | 0 | 0 |
| Level | Low | Low | Low | Moderate | Moderate | Moderate | Moderate | Moderate | Low | Low | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 0 | Low |
| Feb | 0 | Low |
| Mar | 1 | Low |
| Apr | 3 | Moderate |
| May | 4 | Moderate |
| Jun | 4 | Moderate |
| Jul | 5 | Moderate |
| Aug | 4 | Moderate |
| Sep | 2 | Low |
| Oct | 1 | Low |
| Nov | 0 | Low |
| Dec | 0 | Low |
Where is Iisalmi?
Iisalmi sits at 63.6°N, 27.2°E, 108 m above sea level, in Finland. The nearest listed city is Siilinjärvi, 58 km away.
Topography around Iisalmi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Iisalmi.
Within 3 km, the terrain around Iisalmi has only modest variations in elevation — a maximum elevation change of 57 m around an average of 94 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 153 m; within 80 km, significant variations in elevation — a maximum elevation change of 423 m.
The land around Iisalmi is covered by trees (42%) and water (36%) within 3 km, trees (64%) within 16 km, and trees (78%) within 80 km.
Finland travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / F
- 230 V · 50 Hz
- Prices
- ≈ 85% of US
- price level, 2025
- GDP per capita
- $56,149
- 2025
- Happiness
- 7.8 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1
- per 100k, 2023
- Road deaths
- 3.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- Very high
- EF EPI 603
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Iisalmi (63.5592°, 27.1907°, elevation 108 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.