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
Weather in September
Temperature
September implies a gentle temperature shift, with average high-temperatures reducing from August's comfortable 19.1°C (66.4°F) to a mild 13.3°C (55.9°F). The average nighttime temperature in Lestijärvi lowers to a frosty 6.4°C (43.5°F) throughout September.Humidity
In Lestijärvi, the average relative humidity in September is 84%.Rainfall
In Lestijärvi, Finland, during September, the rain falls for 12.1 days and regularly aggregates up to 28mm (1.1") of precipitation. In Lestijärvi, during the entire year, the rain falls for 118.8 days and collects up to 391mm (15.39") of precipitation.Snowfall
In Lestijärvi, snow does not fall in June through September.Daylight
In Lestijärvi, the average length of the day in September is 13h and 0min.On the first day of September, sunrise is at 06:07 and sunset at 20:34. On the last day of the month, sunrise is at 07:28 and sunset at 18:54 EEST.
Sunshine
The average sunshine in September is 6.2h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Lestijärvi in September?
What is the average humidity in September in Lestijärvi?
How many days does it rain in September in Lestijärvi?
When it does not snow in Lestijärvi?
Does it snow in Lestijärvi in September?
How many hours of daylight does Lestijärvi have in September?
When is the sunrise / sunset in September in Lestijärvi?
How long on average sun shines in September in Lestijärvi?
What is the UV index reading in September in Lestijärvi?
Average temperature in September
Lestijärvi, Finland
- Average high temperature in September: 13.3°C
The warmest month (with the highest average high temperature) is July (21°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in September: 6.4°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is January (-10°C).
Average pressure in September
Lestijärvi, Finland
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1006mbar).
Average wind speed in September
Lestijärvi, Finland
- Average wind speed in September: 10.2km/h
The windiest month (with the highest average wind speed) is December (11.5km/h).
The calmest month (with the lowest average wind speed) is July (8.9km/h).
Average humidity in September
Lestijärvi, Finland
- Average humidity in September: 84%
The month with the highest relative humidity is January (96%).
The month with the lowest relative humidity is June (67%).
Average rainfall in September
Lestijärvi, Finland
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Lestijärvi, Finland
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Lestijärvi, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (200mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Lestijärvi, Finland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Lestijärvi, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 24min).
The month with the shortest days is December (Average daylight: 4h and 42min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days in September
Lestijärvi, Finland
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in September
Lestijärvi, 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
Lestijärvi, Finland
- Average cloud cover in September: 61
The month with the most cloud cover is January (Cloud cover 80).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in September
Lestijärvi, 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 and February (5km).
Lestijärvi, Finland
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