September weather forecastKiljava, Finland
September
Weather in September
September, the first month of the autumn in Kiljava, is still a mild month, with an average temperature ranging between min 8.3°C (46.9°F) and max 15.2°C (59.4°F).Temperature
Kiljava's September weather shows a moderate shift in high-temperatures, falling from August's pleasant 20.8°C (69.4°F) to a moderate 15.2°C (59.4°F). During the month of September, an average temperature of 8.3°C (46.9°F) is noted during the nights.Humidity
In Kiljava, the average relative humidity in September is 83%.Rainfall
In Kiljava, Finland, during September, the rain falls for 10.3 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, in Kiljava, there are 117.8 rainfall days, and 373mm (14.69") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Kiljava.Daylight
In September, the average length of the day is 12h and 53min.On the first day of the month, sunrise is at 06:16 and sunset at 20:25. On the last day of September, sunrise is at 07:25 and sunset at 18:56 EEST.
Sunshine
The average sunshine in September is 6.9h.UV index
In September, the average daily maximum UV index in Kiljava is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 3 during September translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kiljava, 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
Kiljava, 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
Kiljava, 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
Kiljava, 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
Kiljava, 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
Kiljava, 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
Kiljava, 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
Kiljava, 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
Kiljava, 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: 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
Kiljava, 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
Kiljava, 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
Kiljava, 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
Kiljava, 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).
