September weather forecastKiikala, Finland

September

Weather in September

The first month of the autumn, September, is also a moderate month in Kiikala, Finland, with temperature in the range of an average low of 8.5°C (47.3°F) and an average high of 15°C (59°F).

Temperature

Kiikala in September undergoes a mild reduction in the average high-temperature, shifting from August's agreeable 20.1°C (68.2°F) to a moderate 15°C (59°F). Kiikala encounters an average low-temperature of 8.5°C (47.3°F) during September nights.

Humidity

The average relative humidity in September is 83%.

Rainfall

In September, the rain falls for 12.6 days. Throughout September, 23mm (0.91") of precipitation is accumulated. Throughout the year, there are 122 rainfall days, and 276mm (10.87") of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In Kiikala, the average length of the day in September is 12h and 53min.
On the first day of the month, sunrise is at 06:20 and sunset at 20:30. On the last day of September, sunrise is at 07:30 and sunset at 19:00 EEST.

Sunshine

The average sunshine in September is 7.4h.

UV index

In Kiikala, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 3 in September leads to these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.

Frequently asked questions

September temperatures vary between a high-temperature of 15°C (59°F) and a low-temperature of 8.5°C (47.3°F).

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

In Kiikala, in September, it is raining for 12.6 days, with typically 23mm (0.91") of accumulated precipitation.

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

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

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

On the first day of September, sunrise is at 06:20 and sunset at 20:30. On the last day of the month, sunrise is at 07:30 and sunset at 19:00 EEST.

In Kiikala, the average sunshine duration in September is 7.4h.

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health risk 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
Kiikala, Finland

  • Average high temperature in September: 15°C

The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-3.2°C).

  • Average low temperature in September: 8.5°C

The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-7.3°C).

Average pressure in September
Kiikala, Finland

  • Average pressure in September: 1013.4mbar

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).

Average wind speed in September
Kiikala, Finland

  • Average wind speed in September: 12km/h

The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).

Average humidity in September
Kiikala, Finland

  • Average humidity in September: 83%

The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (70%).

Average rainfall in September
Kiikala, Finland

  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (14mm).

Average rainfall days in September
Kiikala, Finland

  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is February (3.3 days).

Average snowfall in September
Kiikala, Finland

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (91mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Kiikala, Finland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 54min

The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).

  • Average sunshine in September: 7h and 24min

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 48min).

Average sunshine days in September
Kiikala, Finland

  • Average sunshine days in September: 14 days

The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is December (10.4 days).

Average UV index in September
Kiikala, 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
Kiikala, Finland

  • Average cloud cover in September: 48

The months with the most cloud cover are February and December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in September
Kiikala, Finland

  • Average visibility in September: 9km

The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February and March (7km).