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 start of September involves a temperature drop, moving from an enjoyable 17.8°C (64°F) in August to a cool 11.5°C (52.7°F). Throughout the month of September, Koslan witnesses an average temperature of 5.3°C (41.5°F).Humidity
In September, the average relative humidity in Koslan is 85%.Rainfall
In September, the rain falls for 15.8 days. Throughout September, 37mm (1.46") of precipitation is accumulated. Throughout the year, in Koslan, Russia, there are 99.3 rainfall days, and 431mm (16.97") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Koslan. September is the first month it typically snows. Throughout September, in the average 1.6 snowfall days, it receives 16mm (0.63") of snow. In Koslan, during the entire year, snow falls for 156.8 days and aggregates up to 1537mm (60.51") of snow.Daylight
In September, the average length of the day is 13h and 0min.On the first day of September in Koslan, Russia, sunrise is at 04:30 and sunset at 18:58. On the last day of the month, sunrise is at 05:51 and sunset at 17:17 MSK.
Sunshine
In September, the average sunshine is 4.3h.UV index
January through March, September through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index, 1 in September, converts into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are the temperatures in Koslan in September?
What is the average humidity in September in Koslan?
How much does it rain in Koslan in September?
When does it start snowing in Koslan?
What is the average length of the day in September in Koslan?
When is the sunrise / sunset in September in Koslan?
How long on average sun shines in September in Koslan?
What is the month with the lowest UV index in Koslan?
What is the UV index intensity in September in Koslan?
Average temperature in September
Koslan, Russia
- Average high temperature in September: 11.5°C
The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-11.6°C).
- Average low temperature in September: 5.3°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is January (-16.9°C).
Average pressure in September
Koslan, Russia
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is February (1016.6mbar).
The month with the lowest atmospheric pressure is March (1010.3mbar).
Average wind speed in September
Koslan, Russia
- Average wind speed in September: 10.5km/h
The windiest months (with the highest average wind speed) are October and November (11.9km/h).
The calmest month (with the lowest average wind speed) is July (9.6km/h).
Average humidity in September
Koslan, Russia
- Average humidity in September: 85%
The months with the highest relative humidity are January and February (97%).
The month with the lowest relative humidity is June (65%).
Average rainfall in September
Koslan, Russia
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is August (48mm).
The driest months (with the least rainfall) are February and March (27mm).
Average rainfall days in September
Koslan, Russia
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is September (15.8 days).
The month with the least rainy days is January (0.5 days).
Average snowfall in September
Koslan, Russia
- Average snowfall in September: 16mm
The months with the highest snowfall are November and December (253mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Koslan, Russia
- Average snowfall days in September: 1.6 days
The month with the highest number of snowfall days is March (24.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Koslan, Russia
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 24min).
The month with the shortest days is December (Average daylight: 4h and 42min).
- Average sunshine in September: 4h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average sunshine days in September
Koslan, Russia
- Average sunshine days in September: 9.6 days
The month with the most sunshine days is July (15.9 days).
The month with the least sunshine days is April (6.1 days).
Average UV index in September
Koslan, Russia
- Average UV index in September: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, September, October, November and December (UV index 1).
Average cloud cover in September
Koslan, Russia
- Average cloud cover in September: 72
The month with the most cloud cover is January (Cloud cover 91).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in September
Koslan, Russia
- Average visibility in September: 7km
The months with the highest visibility are May, June and July (9km).
The month with the lowest visibility is January (4km).
Koslan, Russia
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