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
September
Weather in September
Temperature
September shows a mild decline in the average high-temperature, falling from August's pleasant 21.5°C (70.7°F) to a comfortable 16.2°C (61.2°F). An average low-temperature of 8.1°C (46.6°F) marks the month of September in Käätso.Humidity
In September, the average relative humidity in Käätso is 82%.Rainfall
In Käätso, Estonia, during September, the rain falls for 15.3 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, in Käätso, there are 160.5 rainfall days, and 490mm (19.29") of precipitation is accumulated.Snowfall
In Käätso, snow does not fall in June through September.Daylight
In Käätso, Estonia, the average length of the day in September is 12h and 48min.On the first day of September in Käätso, sunrise is at 06:13 and sunset at 20:10. On the last day of the month, sunrise is at 07:15 and sunset at 18:48 EEST.
Sunshine
The average sunshine in September is 7.1h.UV index
In Käätso, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Käätso in September?
What is the average humidity in September in Käätso?
How much does it rain in Käätso in September?
When it does not snow in Käätso?
Does it snow in Käätso in September?
What is the average length of the day in September in Käätso?
What time are sunrise and sunset in September in Käätso?
How long on average sun shines in September in Käätso?
What is the UV index intensity in September in Käätso?
Average temperature in September
Käätso, Estonia
- Average high temperature in September: 16.2°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 (-3.8°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-8°C).
Average pressure in September
Käätso, Estonia
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is October (1016.1mbar).
The month with the lowest atmospheric pressure is December (1011.6mbar).
Average wind speed in September
Käätso, Estonia
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest months (with the lowest average wind speed) are July and August (10.9km/h).
Average humidity in September
Käätso, Estonia
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Käätso, Estonia
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Käätso, Estonia
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Käätso, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (190mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Käätso, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Käätso, Estonia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 1h and 48min).
Average sunshine days in September
Käätso, Estonia
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is May (13.8 days).
The month with the least sunshine days is December (6.2 days).
Average UV index in September
Käätso, 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
Käätso, Estonia
- Average cloud cover in September: 54
The months with the most cloud cover are February and December (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Käätso, 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).
