Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a comfortable 19.4°C (66.9°F) in August to a moderate 15.4°C (59.7°F). During September, Viilupi's nighttime temperatures demonstrate a subtle cooling from daytime highs, stabilizing at a fresh 12.4°C (54.3°F).Humidity
In September, the average relative humidity in Viilupi, Estonia, is 78%.Rainfall
In Viilupi, in September, during 13.3 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, in Viilupi, there are 142.4 rainfall days, and 436mm (17.17") of precipitation is accumulated.Snowfall
In Viilupi, snow does not fall in June through September.Daylight
In Viilupi, the average length of the day in September is 12h and 50min.On the first day of September, sunrise is at 06:27 and sunset at 20:28. On the last day of the month, sunrise is at 07:32 and sunset at 19:04 EEST.
Sunshine
In Viilupi, the average sunshine in September is 7.6h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Take precautions - Protection against sunburn is recommended. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What are September temperatures in Viilupi?
What is the average humidity in September in Viilupi?
How many days does it rain in September in Viilupi?
When it does not snow in Viilupi?
Does it snow in Viilupi in September?
How many hours of daylight does Viilupi have in September?
When are sunrise and sunset in September in Viilupi?
How long on average sun shines in September in Viilupi?
How high is the UV index in September in Viilupi?
Average temperature in September
Viilupi, Estonia
- Average high temperature in September: 15.4°C
The warmest month (with the highest average high temperature) is August (19.4°C).
The month with the lowest average high temperature is February (-0.9°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in September
Viilupi, Estonia
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in September
Viilupi, Estonia
- Average wind speed in September: 20.2km/h
The windiest month (with the highest average wind speed) is December (25.2km/h).
The calmest month (with the lowest average wind speed) is May (16.1km/h).
Average humidity in September
Viilupi, Estonia
- Average humidity in September: 78%
The month with the highest relative humidity is February (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Viilupi, Estonia
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (55mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Viilupi, Estonia
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is November (18.1 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Viilupi, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (134mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Viilupi, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Viilupi, Estonia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Viilupi, Estonia
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is June (19.4 days).
The month with the least sunshine days is December (3.5 days).
Average UV index in September
Viilupi, Estonia
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in September
Viilupi, Estonia
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 78).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Viilupi, 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, February and December (8km).
Viilupi, Estonia
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