September weather forecastKiirassaare, Estonia
September
Weather in September
September, the first month of the autumn in Kiirassaare, is also a moderate month, with temperature in the range of an average high of 15.3°C (59.5°F) and an average low of 13.5°C (56.3°F).Temperature
The transition into September subtly indicates a reduction in the average high-temperature, down to a still refreshing 15.3°C (59.5°F) from August's enjoyable 18.8°C (65.8°F). Kiirassaare's average nighttime temperature in September modestly descends to a still refreshing 13.5°C (56.3°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Kiirassaare, during September, the rain falls for 14 days and regularly aggregates up to 42mm (1.65") of precipitation. In Kiirassaare, during the entire year, the rain falls for 153.3 days and collects up to 470mm (18.5") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 49min.On the first day of September, sunrise is at 06:32 and sunset at 20:31. On the last day of the month, sunrise is at 07:35 and sunset at 19:08 EEST.
Sunshine
The average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. It's recommended to limit sun exposure when its radiation is at its peak during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kiirassaare, Estonia
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (0.4°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is February (-2°C).
Average pressure in September
Kiirassaare, Estonia
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Kiirassaare, Estonia
- Average wind speed in September: 23.8km/h
The windiest month (with the highest average wind speed) is December (29.8km/h).
The calmest month (with the lowest average wind speed) is May (18.4km/h).
Average humidity in September
Kiirassaare, Estonia
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Kiirassaare, Estonia
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is December (59mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Kiirassaare, Estonia
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in September
Kiirassaare, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (109mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kiirassaare, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kiirassaare, Estonia
- Average daylight in September: 12h and 48min
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 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in September
Kiirassaare, Estonia
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is May (20 days).
The month with the least sunshine days is December (3.4 days).
Average UV index in September
Kiirassaare, Estonia
- Average UV index in September: 4
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January and March (UV index 1).
Average cloud cover in September
Kiirassaare, Estonia
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Kiirassaare, 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 and December (8km).





