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
As September begins, there is a decrease in the average high-temperature, falling from a pleasant 20.3°C (68.5°F) in August to a refreshing 14.8°C (58.6°F). Throughout September, a steady low-temperature average of 7.6°C (45.7°F) is noted.Humidity
The average relative humidity in September is 83%.Rainfall
In Asikkala, in September, it is raining for 10.6 days, with typically 27mm (1.06") of accumulated precipitation. In Asikkala, during the entire year, the rain falls for 118.1 days and collects up to 394mm (15.51") of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Asikkala, during the entire year, snow falls for 93.7 days and aggregates up to 918mm (36.14") of snow.Daylight
The average length of the day in September in Asikkala is 12h and 54min.On the first day of the month, sunrise is at 06:11 and sunset at 20:24. On the last day of September, sunrise is at 07:22 and sunset at 18:52 EEST.
Sunshine
In Asikkala, the average sunshine in September is 6.6h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 3 in September translates into these instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Asikkala in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start snowing?
How many hours of daylight does Asikkala have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Asikkala, Finland
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in September: 7.6°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).
Average pressure in September
Asikkala, Finland
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).
Average wind speed in September
Asikkala, Finland
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).
Average humidity in September
Asikkala, Finland
- Average humidity in September: 83%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in September
Asikkala, Finland
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Asikkala, Finland
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Asikkala, Finland
- Average snowfall in September: 1mm
The month with the highest snowfall is January (196mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Asikkala, Finland
- Average snowfall days in September: 0.1 days
The months with the highest number of snowfall days are January and December (18.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Asikkala, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The months with the least sunshine are January and December (Average sunshine: 1h and 30min).
Average sunshine days in September
Asikkala, Finland
- Average sunshine days in September: 17.1 days
The months with the most sunshine days are May and August (17.6 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Asikkala, 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
Asikkala, Finland
- Average cloud cover in September: 57
The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in September
Asikkala, Finland
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
