September weather forecastKalma, Estonia
September
Weather in September
The first month of the autumn, September, is still a mild month in Kalma, Estonia, with an average temperature ranging between max 15.7°C (60.3°F) and min 11.5°C (52.7°F).Temperature
The average high-temperature shows a slight dip in September, from August's comfortable 19.8°C (67.6°F) to a mild 15.7°C (60.3°F). Kalma's September nights witness minimal differential from the daytime temperatures, with averages of 11.5°C (52.7°F).Humidity
In September, the average relative humidity in Kalma, Estonia, is 79%.Rainfall
In Kalma, Estonia, during September, the rain falls for 14.2 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, there are 137.3 rainfall days, and 358mm (14.09") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Kalma.Daylight
The average length of the day in September in Kalma, Estonia, is 12h and 49min.On the first day of September, sunrise is at 06:27 and sunset at 20:27. On the last day of the month, sunrise is at 07:31 and sunset at 19:04 EEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
In Kalma, Estonia, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kalma, Estonia
- Average high temperature in September: 15.7°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is February (-1.1°C).
- Average low temperature in September: 11.5°C
The months with the highest average low temperature are July and August (15°C).
The coldest month (with the lowest average low temperature) is February (-4.7°C).
Average pressure in September
Kalma, Estonia
- Average pressure in September: 1014.1mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1009.3mbar).
Average wind speed in September
Kalma, Estonia
- Average wind speed in September: 18.2km/h
The windiest month (with the highest average wind speed) is December (22.7km/h).
The calmest month (with the lowest average wind speed) is May (14.8km/h).
Average humidity in September
Kalma, Estonia
- Average humidity in September: 79%
The month with the highest relative humidity is February (91%).
The months with the lowest relative humidity are May, June, July and August (75%).
Average rainfall in September
Kalma, Estonia
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Kalma, Estonia
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is August (15.8 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Kalma, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kalma, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kalma, 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 30min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Kalma, Estonia
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is May (18.2 days).
The month with the least sunshine days is December (7.2 days).
Average UV index in September
Kalma, Estonia
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in September
Kalma, Estonia
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 78).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
Kalma, Estonia
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The month with the lowest visibility is February (8km).
