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 is characterized by a reduction in the average high-temperature, from a pleasant 20.7°C (69.3°F) in August to a refreshing 14.8°C (58.6°F). Throughout September, Sääksmäki encounters an average temperature drop to a chilly 7.5°C (45.5°F).Humidity
In September, the average relative humidity is 83%.Rainfall
In September, the rain falls for 13.8 days. Throughout September, 31mm (1.22") of precipitation is accumulated. Throughout the year, there are 128.9 rainfall days, and 399mm (15.71") of precipitation is accumulated.Snowfall
In Sääksmäki, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 55min.On the first day of the month, sunrise is at 06:16 and sunset at 20:30. On the last day of September, sunrise is at 07:28 and sunset at 18:58 EEST.
Sunshine
In September, the average sunshine in Sääksmäki is 6.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Experience reduced UV exposure by about half when donning a wide-brim hat. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What are the temperatures in Sääksmäki in September?
What is the average humidity in September in Sääksmäki?
How many days does it rain in September in Sääksmäki?
When it does not snow in Sääksmäki?
Does it snow in Sääksmäki in September?
What is the average length of the day in September in Sääksmäki?
What time are sunrise and sunset in September in Sääksmäki?
How long on average sun shines in September in Sääksmäki?
What is the UV index reading in September in Sääksmäki?
Average temperature in September
Sääksmäki, Finland
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-4.4°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is January (-8.5°C).
Average pressure in September
Sääksmäki, Finland
- Average pressure in September: 1013.2mbar
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
Sääksmäki, Finland
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is December (12km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Sääksmäki, Finland
- Average humidity in September: 83%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in September
Sääksmäki, Finland
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is July (54mm).
The driest months (with the least rainfall) are March and April (25mm).
Average rainfall days in September
Sääksmäki, Finland
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Sääksmäki, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (157mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sääksmäki, Finland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Sääksmäki, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Sääksmäki, Finland
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is March (9.4 days).
Average UV index in September
Sääksmäki, 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
Sääksmäki, Finland
- Average cloud cover in September: 59
The months with the most cloud cover are January and February (Cloud cover 80).
The months with the least cloud cover are May, June, July and August (Cloud cover 47).
Average visibility in September
Sääksmäki, Finland
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (5km).
Sääksmäki, Finland
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