September weather forecastYakutsk, Russia
September
Weather in September
The month of September in Yakutsk welcomes the advent of autumn. A noticeable decline in daily sunshine hours is coupled with decreasing temperatures. A return of snowfall, although in moderate amounts, foreshadows the impending winter. The decline in mercury levels sets the thermometer readings between 1.7°C (35.1°F) and 10.5°C (50.9°F). October paves the way for the winter resumption with plummeting temperatures.Temperature
As September begins in Yakutsk, there is a noticeable decrease in the average high-temperature, falling from a pleasant 21.3°C (70.3°F) in August to a fresh 10.5°C (50.9°F). Throughout September, the average low-temperature in Yakutsk dips to an icy 1.7°C (35.1°F).Humidity
In Yakutsk, the average relative humidity in September is 72%.Rainfall
In Yakutsk, in September, it is raining for 10.9 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, in Yakutsk, there are 66.5 rainfall days, and 202mm (7.95") of precipitation is accumulated.Snowfall
Months with snowfall in Yakutsk are January through May, September through December. September is the first month it typically snows in Yakutsk. Throughout September, in the average 2.9 snowfall days, it receives 25mm (0.98") of snow. In Yakutsk, during the entire year, snow falls for 125.5 days and aggregates up to 622mm (24.49") of snow.Daylight
In September, the average length of the day is 12h and 58min.On the first day of September in Yakutsk, sunrise is at 05:11 and sunset at 19:31. On the last day of the month, sunrise is at 06:26 and sunset at 17:56 +09.
Sunshine
In September, the average sunshine is 7.3h.UV index
In Yakutsk, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in September converts into the following recommendations:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yakutsk, Russia
- Average high temperature in September: 10.5°C
The warmest month (with the highest average high temperature) is July (26.1°C).
The month with the lowest average high temperature is December (-32.7°C).
- Average low temperature in September: 1.7°C
The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is January (-38.3°C).
Average pressure in September
Yakutsk, Russia
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is December (1027.9mbar).
The month with the lowest atmospheric pressure is July (1004.6mbar).
Average wind speed in September
Yakutsk, Russia
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is May (11.1km/h).
The calmest month (with the lowest average wind speed) is December (5.9km/h).
Average humidity in September
Yakutsk, Russia
- Average humidity in September: 72%
The months with the highest relative humidity are January, February and December (97%).
The month with the lowest relative humidity is June (50%).
Average rainfall in September
Yakutsk, Russia
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is August (32mm).
The driest months (with the least rainfall) are January and December (5mm).
Average rainfall days in September
Yakutsk, Russia
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (13.2 days).
The months with the least rainy days are February and November (0.2 days).
Average snowfall in September
Yakutsk, Russia
- Average snowfall in September: 25mm
The month with the highest snowfall is April (121mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Yakutsk, Russia
- Average snowfall days in September: 2.9 days
The month with the highest number of snowfall days is March (20.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Yakutsk, Russia
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 14h and 24min).
The month with the least sunshine is December (Average sunshine: 0h and 36min).
Average sunshine days in September
Yakutsk, Russia
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is December (20.1 days).
The month with the least sunshine days is April (8.3 days).
Average UV index in September
Yakutsk, Russia
- Average UV index in September: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in September
Yakutsk, Russia
- Average cloud cover in September: 48
The month with the most cloud cover is February (Cloud cover 91).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Yakutsk, Russia
- Average visibility in September: 9km
The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February and December (3km).
