September weather forecastPilpala, Finland

September

Weather in September

September, the first month of the autumn in Pilpala, is still a refreshing month, with an average temperature fluctuating between 15.2°C (59.4°F) and 8.3°C (46.9°F).

Temperature

In September, the average high-temperature goes from a pleasant 20.8°C (69.4°F) in August to a mild 15.2°C (59.4°F). The temperature in Pilpala dips to an average of 8.3°C (46.9°F) during September nights.

Humidity

In September, the average relative humidity is 83%.

Rainfall

In Pilpala, Finland, during September, the rain falls for 10.3 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, in Pilpala, there are 117.8 rainfall days, and 373mm (14.69") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Pilpala.

Daylight

In Pilpala, the average length of the day in September is 12h and 53min.
On the first day of September, sunrise is at 06:17 and sunset at 20:27. On the last day of the month, sunrise is at 07:27 and sunset at 18:57 EEST.

Sunshine

In Pilpala, the average sunshine in September is 6.9h.

UV index

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 unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 3 translates into these guidelines:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

The high-temperature, in September, in Pilpala, is 15.2°C (59.4°F), while the low-temperature averages to 8.3°C (46.9°F).

In September, the average relative humidity in Pilpala, Finland, is 83%.

In September, in Pilpala, Finland, the rain falls for 10.3 days. Throughout September, 20mm (0.79") of precipitation is accumulated.

June through September are months without snowfall in Pilpala, Finland.

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

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

In September, on the first day of the month, sunrise is at 06:17 and sunset at 20:27. On the last day of the month, sunrise is at 07:27 and sunset at 18:57 EEST.

In Pilpala, Finland, the average sunshine duration in September is 6.9h.

The average daily maximum UV index in September in Pilpala is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Pilpala, Finland

  • Average high temperature in September: 15.2°C

The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-3.8°C).

  • Average low temperature in September: 8.3°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 (-8.3°C).

Average pressure in September
Pilpala, 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 (1008.3mbar).

Average wind speed in September
Pilpala, Finland

  • Average wind speed in September: 10km/h

The windiest month (with the highest average wind speed) is December (11.4km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).

Average humidity in September
Pilpala, 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 (67%).

Average rainfall in September
Pilpala, Finland

  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is December (44mm).
The driest month (with the least rainfall) is August (18mm).

Average rainfall days in September
Pilpala, Finland

  • Average rainfall days in September: 10.3 days

The month with the highest number of rainy days is November (13.5 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in September
Pilpala, Finland

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (229mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Pilpala, Finland

  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (22.2 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Pilpala, 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: 6h and 54min

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 30min).

Average sunshine days in September
Pilpala, Finland

  • Average sunshine days in September: 17.8 days

The month with the most sunshine days is June (20.8 days).
The month with the least sunshine days is February (6.5 days).

Average UV index in September
Pilpala, 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
Pilpala, Finland

  • Average cloud cover in September: 55

The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 42).

Average visibility in September
Pilpala, 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).