September weather forecastPöytyä, Finland

September

Weather in September

The first month of the autumn, September, is also a moderate month in Pöytyä, Finland, with an average temperature fluctuating between 10.2°C (50.4°F) and 15.3°C (59.5°F).

Temperature

A moderate decline in average high-temperatures is noted in September, moving from an enjoyable 19.7°C (67.5°F) in August to a still refreshing 15.3°C (59.5°F). September's average low-temperature reading settles at a cool 10.2°C (50.4°F).

Humidity

The average relative humidity in September is 79%.

Rainfall

In September, the rain falls for 14.3 days. Throughout September, 40mm (1.57") of precipitation is accumulated. Throughout the year, there are 134.6 rainfall days, and 394mm (15.51") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 53min.
On the first day of the month, sunrise is at 06:24 and sunset at 20:34. On the last day of September, in Pöytyä, sunrise is at 07:34 and sunset at 19:04 EEST.

Sunshine

In Pöytyä, the average sunshine in September is 7.6h.

UV index

The average daily maximum UV index in September in Pöytyä is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 in September interprets into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

In Pöytyä, 15.3°C (59.5°F) is the average high-temperature and 10.2°C (50.4°F) is the average low-temperature during September.

The average relative humidity in September in Pöytyä is 79%.

In Pöytyä, during September, the rain falls for 14.3 days and regularly aggregates up to 40mm (1.57") of precipitation.

June through September are months without snowfall.

In Pöytyä, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length is 12h and 53min.

In September, on the first day of the month, sunrise is at 06:24 and sunset at 20:34. On the last day of the month, sunrise is at 07:34 and sunset at 19:04 EEST.

In September, the average sunshine duration is 7.6h.

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Pöytyä, Finland

  • Average high temperature in September: 15.3°C

The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-1.9°C).

  • Average low temperature in September: 10.2°C

The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).

Average pressure in September
Pöytyä, Finland

  • Average pressure in September: 1013mbar

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).

Average wind speed in September
Pöytyä, Finland

  • Average wind speed in September: 15.9km/h

The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).

Average humidity in September
Pöytyä, 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
Pöytyä, Finland

  • Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in September
Pöytyä, Finland

  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.2 days).

Average snowfall in September
Pöytyä, Finland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Pöytyä, Finland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Pöytyä, Finland

  • Average daylight in September: 12h and 54min

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 36min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).

Average sunshine days in September
Pöytyä, Finland

  • Average sunshine days in September: 12.8 days

The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (9.6 days).

Average UV index in September
Pöytyä, Finland

  • Average UV index in September: 3

The months with the highest UV index are June, July and August (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
Pöytyä, Finland

  • Average cloud cover in September: 44

The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).

Average visibility in September
Pöytyä, 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 February and March (8km).