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
September
Weather in September
Temperature
September brings a decrease in the average high-temperature, falling from August's enjoyable 17.6°C (63.7°F) to a cool 12.2°C (54°F). Aavasaksa reports an average low-temperature of 5.4°C (41.7°F) during the nights of September.Humidity
In September, the average relative humidity is 84%.Rainfall
In September, in Aavasaksa, the rain falls for 13.3 days. Throughout September, 40mm (1.57") of precipitation is accumulated. Throughout the year, there are 114.3 rainfall days, and 441mm (17.36") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Aavasaksa. Throughout September, in the average 0.3 snowfall days, it receives 5mm (0.2") of snow. Throughout the year, there are 114.9 snowfall days, and 1412mm (55.59") of snow is accumulated.Daylight
In September, the average length of the day in Aavasaksa is 13h and 8min.On the first day of September, sunrise is at 06:00 and sunset at 20:49. On the last day of the month, sunrise is at 07:34 and sunset at 18:55 EEST.
Sunshine
In September, the average sunshine in Aavasaksa is 6.3h.UV index
In September, the average daily maximum UV index in Aavasaksa is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, an average UV index of 2 transforms into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Aavasaksa?
What is the average humidity in September in Aavasaksa?
How many days does it rain in September in Aavasaksa?
When does it start snowing in Aavasaksa?
How many hours of daylight does Aavasaksa have in September?
When is the sunrise / sunset in September in Aavasaksa?
How many hours of sunshine does Aavasaksa have in September?
How high is the UV index in September in Aavasaksa?
Average temperature in September
Aavasaksa, Finland
- Average high temperature in September: 12.2°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is January (-8.2°C).
- Average low temperature in September: 5.4°C
The month with the highest average low temperature is July (10.9°C).
The coldest month (with the lowest average low temperature) is January (-13.8°C).
Average pressure in September
Aavasaksa, Finland
- Average pressure in September: 1010.8mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in September
Aavasaksa, Finland
- Average wind speed in September: 10km/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
Aavasaksa, 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 (65%).
Average rainfall in September
Aavasaksa, Finland
- Average rainfall in September: 40mm
The wettest months (with the highest rainfall) are July and December (47mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Aavasaksa, Finland
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (2.4 days).
Average snowfall in September
Aavasaksa, Finland
- Average snowfall in September: 5mm
The month with the highest snowfall is December (319mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Aavasaksa, Finland
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (20.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Aavasaksa, 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 48min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in September
Aavasaksa, Finland
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is April (7.6 days).
Average UV index in September
Aavasaksa, Finland
- Average UV index in September: 2
The months with the highest UV index are June and 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
Aavasaksa, Finland
- Average cloud cover in September: 58
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in September
Aavasaksa, Finland
- Average visibility in September: 8km
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).
