September weather forecastPomarkku, Finland
September
Weather in September
The first month of the autumn, September, is still a mild month in Pomarkku, Finland, with temperature in the range of an average low of 9.7°C (49.5°F) and an average high of 14.9°C (58.8°F).Temperature
With the onset of September, Pomarkku's climate undergoes a slight change as the average high-temperature moves from an enjoyable 19.8°C (67.6°F) in August to a mild 14.9°C (58.8°F). During September, the average low-temperature in Pomarkku is a frosty 9.7°C (49.5°F).Humidity
In Pomarkku, Finland, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 15.9 days. Throughout September, 44mm (1.73") of precipitation is accumulated. In Pomarkku, during the entire year, the rain falls for 154.3 days and collects up to 508mm (20") of precipitation.Snowfall
In Pomarkku, Finland, snow does not fall in June through September.Daylight
The average length of the day in September in Pomarkku is 12h and 55min.On the first day of September, sunrise is at 06:23 and sunset at 20:39. On the last day of the month, sunrise is at 07:37 and sunset at 19:06 EEST.
Sunshine
The average sunshine in September in Pomarkku, Finland, is 7.4h.UV index
In Pomarkku, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pomarkku, Finland
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is January (-6°C).
Average pressure in September
Pomarkku, Finland
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in September
Pomarkku, Finland
- Average wind speed in September: 14.2km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in September
Pomarkku, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Pomarkku, Finland
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is July (63mm).
The driest months (with the least rainfall) are March and April (31mm).
Average rainfall days in September
Pomarkku, Finland
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Pomarkku, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (163mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Pomarkku, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Pomarkku, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in September
Pomarkku, Finland
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in September
Pomarkku, 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 and December (UV index 1).
Average cloud cover in September
Pomarkku, Finland
- Average cloud cover in September: 47
The months with the most cloud cover are January, February and December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Pomarkku, Finland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (7km).
