September weather forecastArkna, Estonia
September
Weather in September
September, the first month of the autumn in Arkna, is still a mild month, with an average temperature varying between 10.9°C (51.6°F) and 15.3°C (59.5°F).Temperature
September indicates a minor shift in the average high-temperature, from August's pleasant 20.1°C (68.2°F) to a mild 15.3°C (59.5°F). Arkna indicates a consistently low-temperature of 10.9°C (51.6°F) during the nights of September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Arkna, Estonia, during September, the rain falls for 13.5 days and regularly aggregates up to 28mm (1.1") of precipitation. In Arkna, during the entire year, the rain falls for 127.9 days and collects up to 301mm (11.85") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Arkna is 12h and 51min.On the first day of September in Arkna, sunrise is at 06:12 and sunset at 20:16. On the last day of the month, sunrise is at 07:18 and sunset at 18:50 EEST.
Sunshine
The average sunshine in September in Arkna is 6.8h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arkna, Estonia
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is February (-2.3°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is February (-5.5°C).
Average pressure in September
Arkna, Estonia
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.6mbar).
Average wind speed in September
Arkna, Estonia
- Average wind speed in September: 16.4km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest month (with the lowest average wind speed) is May (12.9km/h).
Average humidity in September
Arkna, Estonia
- Average humidity in September: 79%
The month with the highest relative humidity is February (92%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in September
Arkna, Estonia
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is August (39mm).
The driest months (with the least rainfall) are February and April (17mm).
Average rainfall days in September
Arkna, Estonia
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is August (15.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in September
Arkna, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (77mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Arkna, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Arkna, Estonia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 6h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Arkna, Estonia
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is May (17.5 days).
The months with the least sunshine days are January and December (10.4 days).
Average UV index in September
Arkna, 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 and November (UV index 1).
Average cloud cover in September
Arkna, Estonia
- Average cloud cover in September: 53
The month with the most cloud cover is December (Cloud cover 81).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Arkna, Estonia
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February and March (8km).
