September weather forecastLeppävirta, Finland
September
Weather in September
September, the first month of the autumn in Leppävirta, is still a mild month, with an average temperature ranging between max 13.6°C (56.5°F) and min 7.9°C (46.2°F).Temperature
With September's arrival, Leppävirta's weather changes as the average high-temperature falls from a comfortable 19.3°C (66.7°F) in August to a moderate 13.6°C (56.5°F). During September, the average low-temperature is a chilly 7.9°C (46.2°F).Humidity
In September, the average relative humidity is 82%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 25mm (0.98") of precipitation is accumulated. Throughout the year, there are 106.5 rainfall days, and 384mm (15.12") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, there are 110.8 snowfall days, and 1074mm (42.28") of snow is accumulated.Daylight
In September, the average length of the day in Leppävirta is 12h and 57min.On the first day of the month, sunrise is at 05:58 and sunset at 20:19. On the last day of September, sunrise is at 07:14 and sunset at 18:42 EEST.
Sunshine
In Leppävirta, the average sunshine in September is 6.4h.UV index
In Leppävirta, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 3 during September translates into these guidelines:
Take precautions. Light skin individuals may get burned in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leppävirta, Finland
- Average high temperature in September: 13.6°C
The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in September: 7.9°C
The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-9.9°C).
Average pressure in September
Leppävirta, Finland
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Leppävirta, Finland
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is November (15km/h).
The calmest month (with the lowest average wind speed) is July (10.9km/h).
Average humidity in September
Leppävirta, Finland
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (68%).
Average rainfall in September
Leppävirta, Finland
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Leppävirta, Finland
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Leppävirta, Finland
- Average snowfall in September: 2mm
The month with the highest snowfall is January (230mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Leppävirta, Finland
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (23.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Leppävirta, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 19h and 48min).
The month with the shortest days is December (Average daylight: 5h and 12min).
- Average sunshine in September: 6h and 24min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in September
Leppävirta, Finland
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is May (19.3 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in September
Leppävirta, 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
Leppävirta, Finland
- Average cloud cover in September: 58
The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in September
Leppävirta, Finland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (5km).
