September weather forecastViki, Estonia
September
Weather in September
September, the first month of the autumn in Viki, is still a mild month, with an average temperature fluctuating between 15.3°C (59.5°F) and 13.5°C (56.3°F).Temperature
In Viki, the average high-temperature in September slightly decreases from 18.8°C (65.8°F) in August to a still refreshing 15.3°C (59.5°F). Nighttime temperatures in Viki during September report a consistent average of 13.5°C (56.3°F).Humidity
In September, the average relative humidity in Viki is 78%.Rainfall
In Viki, Estonia, during September, the rain falls for 14 days and regularly aggregates up to 42mm (1.65") of precipitation. In Viki, during the entire year, the rain falls for 153.3 days and collects up to 470mm (18.5") of precipitation.Snowfall
In Viki, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 49min.On the first day of the month, sunrise is at 06:32 and sunset at 20:31. On the last day of September, in Viki, sunrise is at 07:35 and sunset at 19:07 EEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
In Viki, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Viki, Estonia
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (0.4°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is February (-2°C).
Average pressure in September
Viki, Estonia
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Viki, Estonia
- Average wind speed in September: 23.8km/h
The windiest month (with the highest average wind speed) is December (29.8km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).
Average humidity in September
Viki, Estonia
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Viki, Estonia
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Viki, Estonia
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in September
Viki, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (109mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Viki, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Viki, Estonia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in September
Viki, Estonia
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is May (20 days).
The month with the least sunshine days is December (3.4 days).
Average UV index in September
Viki, Estonia
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January and March (UV index 1).
Average cloud cover in September
Viki, Estonia
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Viki, Estonia
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January and December (8km).
