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
September's onset brings a reduction in the average high-temperature, from a pleasant 20.3°C (68.5°F) in August to a mild 14.9°C (58.8°F). September in Ypäjä generally records an average low-temperature of 7.6°C (45.7°F).Humidity
In Ypäjä, the average relative humidity in September is 83%.Rainfall
In Ypäjä, during September, the rain falls for 12.7 days and regularly aggregates up to 30mm (1.18") of precipitation. In Ypäjä, during the entire year, the rain falls for 128.2 days and collects up to 406mm (15.98") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 53min.On the first day of the month, sunrise is at 06:21 and sunset at 20:32. On the last day of September, in Ypäjä, sunrise is at 07:31 and sunset at 19:01 EEST.
Sunshine
In September, the average sunshine is 7h.UV index
The average daily maximum UV index in September in Ypäjä is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Ypäjä?
What is the average humidity in September in Ypäjä?
How much does it rain in Ypäjä in September?
When it does not snow in Ypäjä?
Does it snow in Ypäjä in September?
What is the average length of the day in September in Ypäjä?
When are sunrise and sunset in September in Ypäjä?
How many hours of sunshine does Ypäjä have in September?
How high is the UV index in September in Ypäjä?
Average temperature in September
Ypäjä, Finland
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-4°C).
- Average low temperature in September: 7.6°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-8.1°C).
Average pressure in September
Ypäjä, Finland
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Ypäjä, Finland
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Ypäjä, Finland
- Average humidity in September: 83%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (68%).
Average rainfall in September
Ypäjä, Finland
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Ypäjä, Finland
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Ypäjä, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (165mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ypäjä, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ypäjä, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in September
Ypäjä, Finland
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in September
Ypäjä, 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
Ypäjä, Finland
- Average cloud cover in September: 53
The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Ypäjä, Finland
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The month with the lowest visibility is February (6km).
