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
Atra experiences a temperature shift at the start of September, with average high-temperatures adjusting from a pleasant 21.5°C (70.7°F) in August to a comfortable 16.1°C (61°F). An average nighttime temperature of 8.5°C (47.3°F) is observed during September.Humidity
In September, the average relative humidity in Atra is 82%.Rainfall
In Atra, in September, it is raining for 16.5 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 170.9 rainfall days, and 525mm (20.67") of precipitation is accumulated.Snowfall
In Atra, snow does not fall in June through September.Daylight
In Atra, the average length of the day in September is 12h and 49min.On the first day of September in Atra, sunrise is at 06:15 and sunset at 20:13. On the last day of the month, sunrise is at 07:18 and sunset at 18:51 EEST.
Sunshine
The average sunshine in September in Atra, Estonia, is 7.2h.UV index
In Atra, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What are September temperatures in Atra?
What is the average humidity in September in Atra?
How much does it rain in Atra in September?
When it does not snow in Atra?
Does it snow in Atra in September?
What is the average length of the day in September in Atra?
When are sunrise and sunset in September in Atra?
How long on average sun shines in September in Atra?
What is the UV index reading in September in Atra?
Average temperature in September
Atra, Estonia
- Average high temperature in September: 16.1°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 (-3.5°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-7.6°C).
Average pressure in September
Atra, Estonia
- Average pressure in September: 1014.7mbar
The month with the highest atmospheric pressure is October (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.8mbar).
Average wind speed in September
Atra, Estonia
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest months (with the lowest average wind speed) are May and August (11km/h).
Average humidity in September
Atra, Estonia
- Average humidity in September: 82%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Atra, Estonia
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is June (59mm).
The driest months (with the least rainfall) are March and April (32mm).
Average rainfall days in September
Atra, Estonia
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Atra, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (217mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Atra, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Atra, Estonia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Atra, Estonia
- Average sunshine days in September: 9 days
The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is December (3.7 days).
Average UV index in September
Atra, 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, October, November and December (UV index 1).
Average cloud cover in September
Atra, Estonia
- Average cloud cover in September: 53
The month with the most cloud cover is December (Cloud cover 82).
The months with the least cloud cover are May and July (Cloud cover 40).
Average visibility in September
Atra, Estonia
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (6km).
Atra, Estonia
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