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
In September, the average high-temperature goes from a pleasant 22°C (71.6°F) in August to an enjoyable 16.5°C (61.7°F). Koiva observes an average nighttime low-temperature of 7.9°C (46.2°F) during the month of September.Humidity
The average relative humidity in September in Koiva is 82%.Rainfall
In Koiva, in September, it is raining for 16.1 days, with typically 38mm (1.5") of accumulated precipitation. In Koiva, during the entire year, the rain falls for 164.3 days and collects up to 495mm (19.49") of precipitation.Snowfall
June through September are months without snowfall in Koiva.Daylight
The average length of the day in September in Koiva is 12h and 47min.On the first day of the month, sunrise is at 06:16 and sunset at 20:12. On the last day of September, in Koiva, sunrise is at 07:17 and sunset at 18:51 EEST.
Sunshine
In September, the average sunshine in Koiva is 7.3h.UV index
In September, the average daily maximum UV index in Koiva, Estonia, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Make use of precautions - It is urged to ward off sun damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Koiva in September?
What is the average humidity in September in Koiva?
How much does it rain in Koiva in September?
When it does not snow in Koiva?
Does it snow in Koiva in September?
What is the average length of the day in September in Koiva?
When is the sunrise / sunset in September in Koiva?
How long on average sun shines in September in Koiva?
What is the UV index intensity in September in Koiva?
Average temperature in September
Koiva, Estonia
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-3.2°C).
- Average low temperature in September: 7.9°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-7.7°C).
Average pressure in September
Koiva, Estonia
- Average pressure in September: 1015mbar
The month with the highest atmospheric pressure is October (1015.9mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in September
Koiva, Estonia
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Koiva, Estonia
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (93%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in September
Koiva, Estonia
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Koiva, Estonia
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Koiva, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (199mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Koiva, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Koiva, 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 2min
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
Koiva, Estonia
- Average sunshine days in September: 10.8 days
The month with the most sunshine days is May (12.5 days).
The month with the least sunshine days is December (4.9 days).
Average UV index in September
Koiva, 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
Koiva, 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 May and July (Cloud cover 41).
Average visibility in September
Koiva, Estonia
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (6km).
