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
The arrival of September corresponds with a shift in temperature, down from an agreeable 21.7°C (71.1°F) in August to a comfortable 16.2°C (61.2°F). Throughout September, the nighttime temperature averages to a chilly 8.3°C (46.9°F).Humidity
The average relative humidity in September in Kumma is 83%.Rainfall
In Kumma, in September, during 17.2 rainfall days, 42mm (1.65") of precipitation is typically accumulated. Throughout the year, in Kumma, there are 161 rainfall days, and 505mm (19.88") of precipitation is accumulated.Snowfall
In Kumma, Estonia, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 50min.On the first day of the month, sunrise is at 06:19 and sunset at 20:21. On the last day of September, sunrise is at 07:24 and sunset at 18:56 EEST.
Sunshine
In Kumma, the average sunshine in September is 6.7h.UV index
In Kumma, Estonia, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the usual temperature for Kumma in September?
What is the average humidity in September in Kumma?
How many days does it rain in September in Kumma?
When it does not snow in Kumma?
Does it snow in Kumma in September?
How many hours of daylight does Kumma have in September?
When are sunrise and sunset in September in Kumma?
How long on average sun shines in September in Kumma?
How high is the UV index in September in Kumma?
Average temperature in September
Kumma, Estonia
- Average high temperature in September: 16.2°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is July (12.3°C).
The coldest month (with the lowest average low temperature) is January (-6.9°C).
Average pressure in September
Kumma, Estonia
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.4mbar).
Average wind speed in September
Kumma, Estonia
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Kumma, Estonia
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and June (71%).
Average rainfall in September
Kumma, Estonia
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Kumma, Estonia
- Average rainfall days in September: 17.2 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (5.7 days).
Average snowfall in September
Kumma, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (203mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kumma, 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
Kumma, Estonia
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Kumma, Estonia
- Average sunshine days in September: 10 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (6.1 days).
Average UV index in September
Kumma, 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
Kumma, Estonia
- Average cloud cover in September: 57
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 42).
Average visibility in September
Kumma, Estonia
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The month with the lowest visibility is February (6km).
Kumma, Estonia
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