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
Onset of September comes with a temperature decline, the average high falling from a pleasant 22.3°C (72.1°F) in August to a refreshing 17.1°C (62.8°F). Throughout September in Upenieki, a steady low-temperature average of 8.7°C (47.7°F) is noted.Humidity
In September, the average relative humidity in Upenieki is 81%.Rainfall
In Upenieki, in September, it is raining for 12.9 days, with typically 35mm (1.38") of accumulated precipitation. In Upenieki, during the entire year, the rain falls for 156.5 days and collects up to 443mm (17.44") of precipitation.Snowfall
In Upenieki, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 46min.On the first day of September in Upenieki, sunrise is at 06:32 and sunset at 20:24. On the last day of the month, sunrise is at 07:30 and sunset at 19:05 EEST.
Sunshine
In Upenieki, Latvia, the average sunshine in September is 7.3h.UV index
In September, the average daily maximum UV index in Upenieki is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 3 in September transforms into this advice:
Undertake precautions - Guarding against sun damage is counselled. Direct Sun exposure should be minimized especially during midday when radiation is most intense. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the temperature in September in Upenieki?
What is the average humidity in September in Upenieki?
How many days does it rain in September in Upenieki?
When it does not snow in Upenieki?
Does it snow in Upenieki in September?
What is the average length of the day in September in Upenieki?
When is the sunrise / sunset in September in Upenieki?
How many hours of sunshine does Upenieki have in September?
What is the UV index reading in September in Upenieki?
Average temperature in September
Upenieki, Latvia
- Average high temperature in September: 17.1°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (-2°C).
- Average low temperature in September: 8.7°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-5.9°C).
Average pressure in September
Upenieki, Latvia
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is October (1016.3mbar).
The month with the lowest atmospheric pressure is December (1011.6mbar).
Average wind speed in September
Upenieki, Latvia
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Upenieki, Latvia
- Average humidity in September: 81%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Upenieki, Latvia
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Upenieki, Latvia
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Upenieki, Latvia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (157mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Upenieki, Latvia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Upenieki, Latvia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in September
Upenieki, Latvia
- Average sunshine days in September: 14 days
The month with the most sunshine days is April (15.3 days).
The month with the least sunshine days is December (7.6 days).
Average UV index in September
Upenieki, Latvia
- 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, November and December (UV index 1).
Average cloud cover in September
Upenieki, Latvia
- Average cloud cover in September: 50
The month with the most cloud cover is December (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Upenieki, Latvia
- Average visibility in September: 8km
The months with the highest visibility are April, May, June and July (9km).
The months with the lowest visibility are January, February, November and December (7km).
Upenieki, Latvia
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