September weather forecast
Kuopio, Finland

September

Weather in September

In the Finnish city of Kuopio, the weather in September gently ushers in the stark contrast between the warm summer and the cold winter. The city peaks at a high temperature of 56.5°F, a notable departure from the highs recorded in August. As nature decks herself in flamboyant autumn colors, make the most of the diminishing daylight. While the rainy days aren't completely over yet, the city prepares itself for the first traces of snowfall, anticipating temperatures going lower in the upcoming October.

Temperature

Kuopio experiences a temperature shift at the start of September, with average high-temperatures adjusting from an enjoyable 66.7°F in August to a still refreshing 56.5°F. Kuopio experiences an average low-temperature reading of 46.2°F throughout September.

Humidity

In September, the average relative humidity is 82%.

Rainfall

In Kuopio, during September, the rain falls for 12.5 days and regularly aggregates up to 0.98" of precipitation. In Kuopio, during the entire year, the rain falls for 106.5 days and collects up to 15.12" of precipitation.

Snowfall

Months with snowfall are January through June, September through December. September is the first month it typically snows in Kuopio. Throughout September, in the average 0.3 snowfall days, it receives 0.08" of snow. Throughout the year, there are 110.8 snowfall days, and 42.28" of snow is accumulated.

Daylight

The average length of the day in September in Kuopio is 12h and 58min.
On the first day of the month, sunrise is at 05:57 and sunset at 20:20. On the last day of September, in Kuopio, sunrise is at 07:15 and sunset at 18:42 EEST.

Sunshine

In September, the average sunshine in Kuopio is 6.4h.

UV index

In Kuopio, Finland, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Experience reduced UV exposure by about half when donning a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Frequently asked questions

What is the temperature in September in Kuopio?
The high-temperature during September is 56.5°F and the low-temperature is 46.2°F.
What is the average humidity in September in Kuopio?
In September, the average relative humidity in Kuopio is 82%.
How much does it rain in Kuopio in September?
In September, in Kuopio, the rain falls for 12.5 days. Throughout September, 0.98" of precipitation is accumulated.
When does it start snowing in Kuopio?
September is the first month it typically snows in Kuopio. Throughout September, in the average 0.3 snowfall days, it receives 0.08" of snow.
What is the average length of the day in September in Kuopio?
In September, the average day length in Kuopio, Finland, is 12h and 58min.
When are sunrise and sunset in September in Kuopio?
In September, on the first day of the month, sunrise is at 05:57 and sunset at 20:20. On the last day of the month, in Kuopio, Finland, sunrise is at 07:15 and sunset at 18:42 EEST.
How long on average sun shines in September in Kuopio?
The average sunshine duration in September in Kuopio is 6.4h.
How high is the UV index in September in Kuopio?
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Kuopio, Finland
Average temperature in September
Kuopio, Finland
  • Average high temperature in September: 56.5°F

The warmest month (with the highest average high temperature) is July (69.6°F).
The month with the lowest average high temperature is January (21.6°F).

  • Average low temperature in September: 46.2°F

The month with the highest average low temperature is July (55.2°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

Average pressure in September - Kuopio, Finland
Average pressure in September
Kuopio, Finland
  • Average pressure in September: 29.91"Hg

The month with the highest atmospheric pressure is May (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.77"Hg).

Average wind speed in September - Kuopio, Finland
Average wind speed in September
Kuopio, Finland
  • Average wind speed in September: 8.1mph

The windiest month (with the highest average wind speed) is November (9.3mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).

Average humidity in September - Kuopio, Finland
Average humidity in September
Kuopio, Finland
  • Average humidity in September: 82%

The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (68%).

Average rainfall in September - Kuopio, Finland
Average rainfall in September
Kuopio, Finland
  • Average rainfall in September: 0.98"

The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is April (0.91").

Average rainfall days in September - Kuopio, Finland
Average rainfall days in September
Kuopio, Finland
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is February (3.1 days).

Average snowfall in September - Kuopio, Finland
Average snowfall in September
Kuopio, Finland
  • Average snowfall in September: 0.08"

The month with the highest snowfall is January (9.06").
The months with the least snowfall are July and August (0").

Average snowfall days in September - Kuopio, Finland
Average snowfall days in September
Kuopio, Finland
  • Average snowfall days in September: 0.3 days

The month with the highest number of snowfall days is January (23.2 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in September / Average sunshine in September - Kuopio, Finland
Average daylight in September /
Average sunshine in September
Kuopio, Finland
  • Average daylight in September: 13h and 0min

The month with the longest days is June (Average daylight: 20h and 0min).
The month with the shortest days is December (Average daylight: 5h and 0min).

  • Average sunshine in September: 6h and 2min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).

Average sunshine days in September - Kuopio, Finland
Average sunshine days in September
Kuopio, Finland
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is May (19.3 days).
The month with the least sunshine days is February (7.3 days).

Average UV index in September - Kuopio, Finland
Average UV index in September
Kuopio, Finland
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in September - Kuopio, Finland
Average cloud cover in September
Kuopio, Finland
  • Average cloud cover in September: 58

The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 42).

Average visibility in September - Kuopio, Finland
Average visibility in September
Kuopio, Finland
  • Average visibility in September: 6mi

The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is February (3mi).

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