September weather forecastKalvi, Estonia
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Kalvi, Estonia, with an average temperature varying between 15.3°C (59.5°F) and 10.9°C (51.6°F).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a pleasant 20.1°C (68.2°F) in August to a mild 15.3°C (59.5°F). Kalvi's nighttime average temperature in September subtly descends to a cool 10.9°C (51.6°F) from the daily highs.Humidity
The average relative humidity in September is 79%.Rainfall
In Kalvi, in September, it is raining for 13.5 days, with typically 28mm (1.1") of accumulated precipitation. In Kalvi, during the entire year, the rain falls for 127.9 days and collects up to 301mm (11.85") of precipitation.Snowfall
In Kalvi, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 51min.On the first day of the month, sunrise is at 06:10 and sunset at 20:14. On the last day of September, sunrise is at 07:16 and sunset at 18:48 EEST.
Sunshine
In Kalvi, the average sunshine in September is 6.8h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 3 in September transforms into this advice:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kalvi, Estonia
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is February (-2.3°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is February (-5.5°C).
Average pressure in September
Kalvi, Estonia
- Average pressure in September: 1014mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.6mbar).
Average wind speed in September
Kalvi, Estonia
- Average wind speed in September: 16.4km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest month (with the lowest average wind speed) is May (12.9km/h).
Average humidity in September
Kalvi, Estonia
- Average humidity in September: 79%
The month with the highest relative humidity is February (92%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in September
Kalvi, Estonia
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is August (39mm).
The driest months (with the least rainfall) are February and April (17mm).
Average rainfall days in September
Kalvi, Estonia
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is August (15.2 days).
The month with the least rainy days is February (4.5 days).
Average snowfall in September
Kalvi, Estonia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (77mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kalvi, Estonia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kalvi, Estonia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 6h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Kalvi, Estonia
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is May (17.5 days).
The months with the least sunshine days are January and December (10.4 days).
Average UV index in September
Kalvi, 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 and November (UV index 1).
Average cloud cover in September
Kalvi, 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 July and August (Cloud cover 38).
Average visibility in September
Kalvi, Estonia
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February and March (8km).
