September weather forecastSulkava, Finland
September
Weather in September
September, the first month of the autumn in Sulkava, is still a refreshing month, with an average temperature fluctuating between 13.7°C (56.7°F) and 8.7°C (47.7°F).Temperature
The move into September indicates a reduction in the average high-temperature, down from August's refreshing 19.5°C (67.1°F) to a moderate 13.7°C (56.7°F). Sulkava notes an average temperature descent to a chilly 8.7°C (47.7°F) in September, a small shift from its daytime peak.Humidity
In September, the average relative humidity is 81%.Rainfall
In Sulkava, Finland, during September, the rain falls for 14.9 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 120.3 rainfall days, and 399mm (15.71") of precipitation is accumulated.Snowfall
July through September are months without snowfall in Sulkava.Daylight
In Sulkava, the average length of the day in September is 12h and 56min.On the first day of September in Sulkava, sunrise is at 05:57 and sunset at 20:14. On the last day of the month, sunrise is at 07:12 and sunset at 18:40 EEST.
Sunshine
In Sulkava, the average sunshine in September is 6.4h.UV index
In September, the average daily maximum UV index in Sulkava is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Heed the precautions - It is counselled to guard against solar damage. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sulkava, Finland
- Average high temperature in September: 13.7°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-5.4°C).
- Average low temperature in September: 8.7°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).
Average pressure in September
Sulkava, Finland
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in September
Sulkava, Finland
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is December (16.4km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).
Average humidity in September
Sulkava, Finland
- Average humidity in September: 81%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in September
Sulkava, 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 (23mm).
Average rainfall days in September
Sulkava, Finland
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in September
Sulkava, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (164mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Sulkava, Finland
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is February (17.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Sulkava, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in September: 6h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days in September
Sulkava, Finland
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is May (16.9 days).
The month with the least sunshine days is December (10.9 days).
Average UV index in September
Sulkava, 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
Sulkava, Finland
- Average cloud cover in September: 57
The month with the most cloud cover is February (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Sulkava, Finland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (6km).
