September weather forecastRanua, Finland
September
Weather in September
The first month of the autumn, September, is still a cool month in Ranua, Finland, with an average temperature varying between 5.5°C (41.9°F) and 12.4°C (54.3°F).Temperature
The onset of September brings a small change in high-temperatures, falling from a refreshing 17.9°C (64.2°F) in August to a fresh 12.4°C (54.3°F). In September, the temperature in Ranua drops to an average of 5.5°C (41.9°F) at night.Humidity
In September, the average relative humidity in Ranua is 86%.Rainfall
In Ranua, in September, it is raining for 15.1 days, with typically 35mm (1.38") of accumulated precipitation. In Ranua, during the entire year, the rain falls for 133.6 days and collects up to 517mm (20.35") of precipitation.Snowfall
Months with snowfall in Ranua, Finland, are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.7 snowfall days, it receives 9mm (0.35") of snow. Throughout the year, in Ranua, there are 133.6 snowfall days, and 1514mm (59.61") of snow is accumulated.Daylight
In Ranua, the average length of the day in September is 13h and 7min.On the first day of September, sunrise is at 05:51 and sunset at 20:36. On the last day of the month, sunrise is at 07:23 and sunset at 18:44 EEST.
Sunshine
In September, the average sunshine in Ranua is 5.8h.UV index
In September, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 in September translates into these instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ranua, Finland
- Average high temperature in September: 12.4°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (-7.7°C).
- Average low temperature in September: 5.5°C
The month with the highest average low temperature is July (11°C).
The coldest month (with the lowest average low temperature) is January (-12.7°C).
Average pressure in September
Ranua, Finland
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).
Average wind speed in September
Ranua, Finland
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is July (9.5km/h).
Average humidity in September
Ranua, Finland
- Average humidity in September: 86%
The months with the highest relative humidity are January, February and December (96%).
The month with the lowest relative humidity is June (69%).
Average rainfall in September
Ranua, Finland
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Ranua, Finland
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in September
Ranua, Finland
- Average snowfall in September: 9mm
The month with the highest snowfall is March (284mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Ranua, Finland
- Average snowfall days in September: 0.7 days
The month with the highest number of snowfall days is December (23.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Ranua, Finland
- Average daylight in September: 13h and 6min
The month with the longest days is July (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 3h and 12min).
- Average sunshine in September: 5h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in September
Ranua, Finland
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is October (12 days).
The month with the least sunshine days is April (6.8 days).
Average UV index in September
Ranua, Finland
- Average UV index in September: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Ranua, Finland
- Average cloud cover in September: 64
The months with the most cloud cover are January and December (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in September
Ranua, Finland
- Average visibility in September: 7km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February, March, April and December (5km).
