September weather forecastAura, Finland

September

Weather in September

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

Temperature

The average high-temperature slightly decreases in September, shifting from a refreshing 19.7°C (67.5°F) in August to a moderate 15.3°C (59.5°F). An average nighttime temperature of 10.2°C (50.4°F) is recorded during September.

Humidity

The average relative humidity in September is 79%.

Rainfall

In September, in Aura, the rain falls for 13.6 days. Throughout September, 36mm (1.42") of precipitation is accumulated. In Aura, Finland, during the entire year, the rain falls for 133.7 days and collects up to 390mm (15.35") of precipitation.

Snowfall

In Aura, Finland, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 53min.
On the first day of September in Aura, 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.

Sunshine

The average sunshine in September in Aura is 7.7h.

UV index

In September, the average daily maximum UV index in Aura is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 3 suggests these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely.

Frequently asked questions

September temperatures vary between a high-temperature of 15.3°C (59.5°F) and a low-temperature of 10.2°C (50.4°F).

In September, the average relative humidity in Aura is 79%.

In September, in Aura, Finland, the rain falls for 13.6 days. Throughout September, 36mm (1.42") of precipitation is accumulated.

In Aura, Finland, snow does not fall in June through September.

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

The average day length in September in Aura 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 Aura, the average sunshine duration in September is 7.7h.

In Aura, Finland, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Aura, 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
Aura, 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 (1007.6mbar).

Average wind speed in September
Aura, Finland

  • Average wind speed in September: 15.8km/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
Aura, 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
Aura, Finland

  • Average rainfall in September: 36mm

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
Aura, Finland

  • Average rainfall days in September: 13.6 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
Aura, 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
Aura, 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
Aura, 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 42min

The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).

Average sunshine days in September
Aura, Finland

  • Average sunshine days in September: 13.2 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
Aura, 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
Aura, 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
Aura, 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).