Weather in Ivalo in September 2025
Average weather
Average temperature in Ivalo in September
The expected average maximum temperature in September is +12°C with a maximum of +21°C and a minimum of -1°C.
The average maximum temperature goes down 14% by the end of the month, compared with the beginning of the month, from +14°C to +11°C.
Is Ivalo warm or cold in September?
Ivalo is typically cool in September.
Maximum temperatures go down compared to the previous month from +15°C to +10°C. The minimum temperature also goes down from +8°C to +4°C.
Pack a sweater and a jacket as there will be cooler temperatures.
Take a look at how September is compared to other months in Ivalo:
Climate in Ivalo in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +15°C | +10°C | +3°C | ||||
| Min. temperature | ||||||
| -2°C | -6°C | -19°C | ||||
| Max. temperature | ||||||
| +31°C | +22°C | +13°C | ||||
| Rainfall | ||||||
| 76 mm | 53 mm | 26 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 78% | 82% | 86% | ||||
| Air pressure | ||||||
| 1011 HPa | 1009 HPa | 1007 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 2 | ||||
| Cloudy days | ||||||
| 9 | 11 | 13 | ||||
| Rainy days | ||||||
| 19 | 16 | 8 | ||||
| Snowy days | ||||||
| 0 | 1 | 8 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +15°C in the day, the average maximum temperature lowers to +10°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 76 mm to 53 mm. Humidity rises from 78% to 82%. The average wind speed doesn’t change much during September, staying around 2 m/s. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Ivalo is gradually decreasing during September, going from 4 m/s to 2 m/s over the course of the month.
Rain
Snow
Here’s how September is compared with other months in the amount of snow, total mm:
How was the weather last September in Ivalo?
Climate Change over Years
The climate in Ivalo in September has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+1°C) and the highest in 2013 (+5°C). The driest year was 1997 with only 222 mm of rainfall, and the wettest year was 2016 with 501 mm.
FAQ
Is September a good time to visit Ivalo?
Can you sunbathe in Ivalo in September?
Is Ivalo rainy in September?
Is it sunny in Ivalo in September?
Other cities in Finland
Monthly weather in Ivalo
Source of the data
For this page, we’ve looked at the typical weather in Ivalo, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.