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
Tyrnävä's transition into September involves a shift in temperature, receding from a refreshing 18°C (64.4°F) in August to a moderate 13°C (55.4°F). Throughout September nights, Tyrnävä experiences a consistent temperature average of 7.7°C (45.9°F).Humidity
The average relative humidity in September is 82%.Rainfall
April and September are months with the least rain when the rain falls for 12.5 days and typically aggregates up to 25mm (0.98") of rain.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Tyrnävä, Finland. Throughout September, in the average 0.2 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, there are 107.1 snowfall days, and 1131mm (44.53") of snow is accumulated.Daylight
The average length of the day in September in Tyrnävä is 13h and 3min.On the first day of September in Tyrnävä, sunrise is at 05:59 and sunset at 20:35. On the last day of the month, sunrise is at 07:25 and sunset at 18:49 EEST.
Sunshine
In Tyrnävä, Finland, the average sunshine in September is 6.7h.UV index
In Tyrnävä, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the average September temperature in Tyrnävä?
What is the average humidity in September in Tyrnävä?
What is the driest month in Tyrnävä?
How many days does it rain in September in Tyrnävä?
When does it start snowing in Tyrnävä?
How many hours of daylight does Tyrnävä have in September?
When are sunrise and sunset in September in Tyrnävä?
How long on average sun shines in September in Tyrnävä?
How high is the UV index in September in Tyrnävä?
Average temperature in September
Tyrnävä, Finland
- Average high temperature in September: 13°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (-6.1°C).
- Average low temperature in September: 7.7°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-10.6°C).
Average pressure in September
Tyrnävä, Finland
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1005.4mbar).
Average wind speed in September
Tyrnävä, Finland
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is November (13.7km/h).
The calmest month (with the lowest average wind speed) is July (10.6km/h).
Average humidity in September
Tyrnävä, Finland
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (69%).
Average rainfall in September
Tyrnävä, Finland
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (59mm).
The driest months (with the least rainfall) are April and September (25mm).
Average rainfall days in September
Tyrnävä, Finland
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Tyrnävä, Finland
- Average snowfall in September: 2mm
The month with the highest snowfall is March (232mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Tyrnävä, Finland
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Tyrnävä, Finland
- Average daylight in September: 13h and 1min
The month with the longest days is June (Average daylight: 21h and 24min).
The month with the shortest days is December (Average daylight: 4h and 0min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 0min).
Average sunshine days in September
Tyrnävä, Finland
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is June (17 days).
The month with the least sunshine days is December (7.4 days).
Average UV index in September
Tyrnävä, 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
Tyrnävä, Finland
- Average cloud cover in September: 55
The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in September
Tyrnävä, Finland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (6km).
Tyrnävä, Finland
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