September weather forecastLavia, Finland
September
Weather in September
September, the first month of the autumn in Lavia, is still a refreshing month, with an average temperature fluctuating between 7.5°C (45.5°F) and 14.6°C (58.3°F).Temperature
September's onset corresponds with a shift in the average high-temperature, moving from an enjoyable 19.8°C (67.6°F) in August to a still refreshing 14.6°C (58.3°F). Throughout September, Lavia's nights cool down to an average of 7.5°C (45.5°F).Humidity
In Lavia, the average relative humidity in September is 83%.Rainfall
April and September are months with the least rain when the rain falls for 15.3 days and typically aggregates up to 34mm (1.34") of rain.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 55min.On the first day of the month, sunrise is at 06:21 and sunset at 20:37. On the last day of September, sunrise is at 07:35 and sunset at 19:03 EEST.
Sunshine
In Lavia, the average sunshine in September is 6.7h.UV index
In Lavia, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lavia, Finland
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in September
Lavia, Finland
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in September
Lavia, Finland
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is December (13.1km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).
Average humidity in September
Lavia, Finland
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (67%).
Average rainfall in September
Lavia, Finland
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (54mm).
The driest months (with the least rainfall) are April and September (34mm).
Average rainfall days in September
Lavia, Finland
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in September
Lavia, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (234mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Lavia, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lavia, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in September: 6h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 1h and 48min).
Average sunshine days in September
Lavia, Finland
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is May (14.4 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in September
Lavia, Finland
- Average UV index in September: 3
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, November and December (UV index 1).
Average cloud cover in September
Lavia, Finland
- Average cloud cover in September: 56
The month with the most cloud cover is January (Cloud cover 76).
The months with the least cloud cover are June and July (Cloud cover 44).
Average visibility in September
Lavia, 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 (6km).
