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
September signifies a gentle decline in Irta's average high-temperature, easing from a pleasant 21.3°C (70.3°F) in August to a comfortable 16.5°C (61.7°F). During September, Irta's temperature averages to a chilly 9.4°C (48.9°F) at night.Humidity
In Irta, the average relative humidity in September is 81%.Rainfall
In Irta, during September, the rain falls for 17.4 days and regularly aggregates up to 49mm (1.93") of precipitation. In Irta, during the entire year, the rain falls for 175.8 days and collects up to 570mm (22.44") of precipitation.Snowfall
June through September are months without snowfall in Irta.Daylight
In Irta, the average length of the day in September is 12h and 49min.On the first day of September, sunrise is at 06:23 and sunset at 20:23. On the last day of the month, sunrise is at 07:26 and sunset at 18:59 EEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. 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.
Frequently asked questions
What is the temperature in September in Irta?
What is the average humidity in September in Irta?
How much does it rain in Irta in September?
When it does not snow in Irta?
Does it snow in Irta in September?
How many hours of daylight does Irta have in September?
When are sunrise and sunset in September in Irta?
How long on average sun shines in September in Irta?
What is the UV index reading in September in Irta?
Average temperature in September
Irta, Estonia
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in September: 9.4°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 (-6.3°C).
Average pressure in September
Irta, Estonia
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1009.9mbar).
Average wind speed in September
Irta, Estonia
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is May (11.7km/h).
Average humidity in September
Irta, Estonia
- Average humidity in September: 81%
The month with the highest relative humidity is February (93%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in September
Irta, Estonia
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Irta, Estonia
- Average rainfall days in September: 17.4 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (7.6 days).
Average snowfall in September
Irta, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (192mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Irta, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Irta, Estonia
- Average daylight in September: 12h and 5min
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 2min
The months with the most sunshine are June and July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in September
Irta, Estonia
- Average sunshine days in September: 10 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (4 days).
Average UV index in September
Irta, Estonia
- 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
Irta, Estonia
- Average cloud cover in September: 49
The month with the most cloud cover is December (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Irta, Estonia
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February and March (7km).
Irta, Estonia
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