September weather forecastSäkylä, Finland
September
Weather in September
The first month of the autumn, September, is still a mild month in Säkylä, Finland, with an average temperature varying between 10.8°C (51.4°F) and 14.8°C (58.6°F).Temperature
In Säkylä, the average high-temperature in September gently drops from a comfortable 19.1°C (66.4°F) in August to a still refreshing 14.8°C (58.6°F). Säkylä sustains an average of approximately a cool 10.8°C (51.4°F) during September nights, with little variation from daytime highs.Humidity
In Säkylä, the average relative humidity in September is 79%.Rainfall
In Säkylä, in September, during 14 rainfall days, 43mm (1.69") of precipitation is typically accumulated. In Säkylä, during the entire year, the rain falls for 135.2 days and collects up to 422mm (16.61") of precipitation.Snowfall
In Säkylä, snow does not fall in June through September.Daylight
In Säkylä, the average length of the day in September is 12h and 54min.On the first day of the month, sunrise is at 06:24 and sunset at 20:36. On the last day of September, in Säkylä, sunrise is at 07:35 and sunset at 19:05 EEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
In Säkylä, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Säkylä, Finland
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The months with the lowest average high temperature are January and February (-1.5°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-5°C).
Average pressure in September
Säkylä, Finland
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1006.9mbar).
Average wind speed in September
Säkylä, Finland
- Average wind speed in September: 16.8km/h
The windiest month (with the highest average wind speed) is December (20.7km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).
Average humidity in September
Säkylä, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Säkylä, Finland
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Säkylä, Finland
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Säkylä, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is March (88mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Säkylä, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Säkylä, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The months with the least sunshine are January and December (Average sunshine: 2h and 6min).
Average sunshine days in September
Säkylä, Finland
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is June (16.8 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in September
Säkylä, 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 and December (UV index 1).
Average cloud cover in September
Säkylä, Finland
- Average cloud cover in September: 45
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in September
Säkylä, Finland
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February and March (8km).
