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
The start of September involves a temperature drop, moving from an enjoyable 18.1°C (64.6°F) in August to a cool 12.2°C (54°F). Lentua, during the month of September, experiences an average low-temperature of 6.4°C (43.5°F).Humidity
The average relative humidity in September is 85%.Rainfall
In September, the rain falls for 15.8 days. Throughout September, 48mm (1.89") of precipitation is accumulated. Throughout the year, in Lentua, there are 118.5 rainfall days, and 455mm (17.91") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Lentua, Finland. Throughout September, in the average 0.8 snowfall days, it receives 5mm (0.2") of snow. Throughout the year, there are 136.9 snowfall days, and 1270mm (50") of snow is accumulated.Daylight
In Lentua, the average length of the day in September is 13h and 2min.On the first day of the month, sunrise is at 05:45 and sunset at 20:17. On the last day of September, sunrise is at 07:09 and sunset at 18:33 EEST.
Sunshine
In September, the average sunshine in Lentua is 5.2h.UV index
The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 2 in September transforms into this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Lentua?
What is the average humidity in September in Lentua?
How much does it rain in Lentua in September?
When does it start snowing in Lentua?
How many hours of daylight does Lentua have in September?
When are sunrise and sunset in September in Lentua?
How long on average sun shines in September in Lentua?
What is the UV index reading in September in Lentua?
Average temperature in September
Lentua, Finland
- Average high temperature in September: 12.2°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-7.6°C).
- Average low temperature in September: 6.4°C
The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is January (-12.2°C).
Average pressure in September
Lentua, Finland
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Lentua, Finland
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is November (14.3km/h).
The calmest month (with the lowest average wind speed) is July (10.9km/h).
Average humidity in September
Lentua, Finland
- Average humidity in September: 85%
The months with the highest relative humidity are January and February (96%).
The month with the lowest relative humidity is June (68%).
Average rainfall in September
Lentua, Finland
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is February (28mm).
Average rainfall days in September
Lentua, Finland
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is January (1.3 days).
Average snowfall in September
Lentua, Finland
- Average snowfall in September: 5mm
The month with the highest snowfall is December (226mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Lentua, Finland
- Average snowfall days in September: 0.8 days
The month with the highest number of snowfall days is December (24.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Lentua, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 4h and 18min).
- Average sunshine in September: 5h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days in September
Lentua, Finland
- Average sunshine days in September: 10.6 days
The months with the most sunshine days are May and August (13.1 days).
The month with the least sunshine days is April (7.3 days).
Average UV index in September
Lentua, Finland
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Lentua, Finland
- Average cloud cover in September: 63
The month with the most cloud cover is December (Cloud cover 86).
The month with the least cloud cover is July (Cloud cover 45).
Average visibility in September
Lentua, Finland
- Average visibility in September: 8km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (5km).
