September weather forecastÄkäslompolo, Finland
September
Weather in September
September, the first month of the autumn in Äkäslompolo, is still a cool month, with an average temperature varying between 4.5°C (40.1°F) and 11.3°C (52.3°F).Temperature
The onset of September entails a temperature shift, as the average high-temperature decreases from a refreshing 16.8°C (62.2°F) in August to a cool 11.3°C (52.3°F). Throughout September, an average low-temperature of 4.5°C (40.1°F) is experienced.Humidity
In September, the average relative humidity is 84%.Rainfall
In Äkäslompolo, Finland, during September, the rain falls for 15 days and regularly aggregates up to 41mm (1.61") of precipitation. In Äkäslompolo, during the entire year, the rain falls for 114.5 days and collects up to 412mm (16.22") of precipitation.Snowfall
January through June, September through December are months with snowfall in Äkäslompolo. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 6mm (0.24") of snow. In Äkäslompolo, during the entire year, snow falls for 132.1 days and aggregates up to 1308mm (51.5") of snow.Daylight
The average length of the day in September in Äkäslompolo, Finland, is 13h and 12min.On the first day of the month, sunrise is at 05:53 and sunset at 20:52. On the last day of September, in Äkäslompolo, sunrise is at 07:34 and sunset at 18:52 EEST.
Sunshine
The average sunshine in September is 6h.UV index
In Äkäslompolo, Finland, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 2 during September translates into the following directions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's radiation is especially intense around midday; try to stay in shade during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Äkäslompolo, Finland
- Average high temperature in September: 11.3°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is January (-8.9°C).
- Average low temperature in September: 4.5°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
Äkäslompolo, Finland
- Average pressure in September: 1010.3mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1004.7mbar).
Average wind speed in September
Äkäslompolo, Finland
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is March (10.8km/h).
The calmest month (with the lowest average wind speed) is April (9.2km/h).
Average humidity in September
Äkäslompolo, Finland
- Average humidity in September: 84%
The months with the highest relative humidity are January and February (96%).
The month with the lowest relative humidity is June (66%).
Average rainfall in September
Äkäslompolo, Finland
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is July (53mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Äkäslompolo, Finland
- Average rainfall days in September: 15 days
The months with the highest number of rainy days are June and August (15.7 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in September
Äkäslompolo, Finland
- Average snowfall in September: 6mm
The month with the highest snowfall is December (259mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Äkäslompolo, Finland
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is December (22.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Äkäslompolo, Finland
- Average daylight in September: 13h and 12min
The month with the longest days is May (Average daylight: 18h and 12min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in September: 6h and 0min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 30min).
Average sunshine days in September
Äkäslompolo, Finland
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is October (14.1 days).
The months with the least sunshine days are April and December (9.1 days).
Average UV index in September
Äkäslompolo, Finland
- Average UV index in September: 2
The months with the highest UV index are May, June and July (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
Äkäslompolo, Finland
- Average cloud cover in September: 61
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is July (Cloud cover 50).
Average visibility in September
Äkäslompolo, Finland
- Average visibility in September: 8km
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are January, February, March, April and December (5km).
