Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Oulanka in September undergoes a mild reduction in the average high-temperature, shifting from August's refreshing 16.3°C (61.3°F) to a cool 10.6°C (51.1°F). An average minimum temperature of 4.3°C (39.7°F) is recorded in Oulanka during the month of September.Humidity
In Oulanka, the average relative humidity in September is 87%.Rainfall
In Oulanka, Finland, during September, the rain falls for 15.8 days and regularly aggregates up to 40mm (1.57") of precipitation. In Oulanka, during the entire year, the rain falls for 120.6 days and collects up to 464mm (18.27") of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Oulanka. Throughout September, in the average 1.2 snowfall days, it receives 9mm (0.35") of snow. In Oulanka, during the entire year, snow falls for 157.8 days and aggregates up to 1631mm (64.21") of snow.Daylight
In Oulanka, the average length of the day in September is 13h and 8min.On the first day of the month, sunrise is at 05:38 and sunset at 20:28. On the last day of September, sunrise is at 07:13 and sunset at 18:33 EEST.
Sunshine
The average sunshine in September is 5.3h.UV index
In Oulanka, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 2 in September leads to these guidelines:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Opt for tightly woven and loose clothing to enhance protection from the Sun. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average September temperature in Oulanka?
What is the average humidity in September in Oulanka?
How many days does it rain in September in Oulanka?
When does it start snowing in Oulanka?
How many hours of daylight does Oulanka have in September?
When are sunrise and sunset in September in Oulanka?
How long on average sun shines in September in Oulanka?
What is the UV index intensity in September in Oulanka?
Average temperature in September
Oulanka, Finland
- Average high temperature in September: 10.6°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (-9°C).
- Average low temperature in September: 4.3°C
The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is January (-14.6°C).
Average pressure in September
Oulanka, Finland
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).
Average wind speed in September
Oulanka, Finland
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is March (11.4km/h).
The calmest month (with the lowest average wind speed) is July (10km/h).
Average humidity in September
Oulanka, Finland
- Average humidity in September: 87%
The months with the highest relative humidity are January and February (97%).
The month with the lowest relative humidity is June (69%).
Average rainfall in September
Oulanka, Finland
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is January (30mm).
Average rainfall days in September
Oulanka, Finland
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Oulanka, Finland
- Average snowfall in September: 9mm
The month with the highest snowfall is December (263mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Oulanka, Finland
- Average snowfall days in September: 1.2 days
The month with the highest number of snowfall days is December (24 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Oulanka, Finland
- Average daylight in September: 13h and 1min
The month with the longest days is May (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 2h and 42min).
- Average sunshine in September: 5h and 2min
The month with the most sunshine is August (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 0h and 36min).
Average sunshine days in September
Oulanka, Finland
- Average sunshine days in September: 10.2 days
The month with the most sunshine days is August (10.7 days).
The month with the least sunshine days is April (4.4 days).
Average UV index in September
Oulanka, Finland
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in September
Oulanka, Finland
- Average cloud cover in September: 67
The months with the most cloud cover are January and December (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 51).
Average visibility in September
Oulanka, Finland
- Average visibility in September: 7km
The months with the highest visibility are June and July (9km).
The month with the lowest visibility is January (4km).
Oulanka, Finland
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