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
A moderate decline in the average high-temperature is seen during September, decreasing from a cool 12°C (53.6°F) in August to a cold 4.3°C (39.7°F). In September, Keperveyem records an average nighttime temperature of -2.9°C (26.8°F).Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 9.5 days. Throughout September, 19mm (0.75") of precipitation is accumulated. In Keperveyem, Russia, during the entire year, the rain falls for 72.8 days and collects up to 214mm (8.43") of precipitation.Snowfall
January through December are months with snowfall in Keperveyem. In Keperveyem, in September, snow falls for 9.7 days, with typically accumulated 50mm (1.97") of snow. Throughout the year, there are 114.9 snowfall days, and 724mm (28.5") of snow is accumulated.Daylight
In Keperveyem, the average length of the day in September is 13h and 16min.On the first day of September, sunrise is at 05:23 and sunset at 20:27. On the last day of the month, sunrise is at 07:05 and sunset at 18:25 +12.
Sunshine
The average sunshine in September is 5.9h.UV index
January through April, September through December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 1 in September translates into the following instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
Is September cold in Keperveyem?
What is the average humidity in September in Keperveyem?
How many days does it rain in September in Keperveyem?
How many days does it snow in September in Keperveyem?
How many hours of daylight does Keperveyem have in September?
When is the sunrise / sunset in September in Keperveyem?
How many hours of sunshine does Keperveyem have in September?
What is the month with the lowest UV index in Keperveyem?
How high is the UV index in September in Keperveyem?
Average temperature in September
Keperveyem, Russia
- Average high temperature in September: 4.3°C
The warmest month (with the highest average high temperature) is July (15.8°C).
The month with the lowest average high temperature is January (-25.9°C).
- Average low temperature in September: -2.9°C
The month with the highest average low temperature is July (6.3°C).
The coldest month (with the lowest average low temperature) is February (-31.9°C).
Average pressure in September
Keperveyem, Russia
- Average pressure in September: 1012.1mbar
The month with the highest atmospheric pressure is January (1021.8mbar).
The month with the lowest atmospheric pressure is July (1008mbar).
Average wind speed in September
Keperveyem, Russia
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is July (10.8km/h).
The calmest month (with the lowest average wind speed) is October (7km/h).
Average humidity in September
Keperveyem, Russia
- Average humidity in September: 80%
The months with the highest relative humidity are February, November and December (94%).
The months with the lowest relative humidity are June and July (65%).
Average rainfall in September
Keperveyem, Russia
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (6mm).
Average rainfall days in September
Keperveyem, Russia
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (0.3 days).
Average snowfall in September
Keperveyem, Russia
- Average snowfall in September: 50mm
The month with the highest snowfall is October (141mm).
The month with the least snowfall is July (4mm).
Average snowfall days in September
Keperveyem, Russia
- Average snowfall days in September: 9.7 days
The month with the highest number of snowfall days is November (14.5 days).
The month with the least snowfall days is July (0.4 days).
Average daylight in September /
Average sunshine in September
Keperveyem, Russia
- Average daylight in September: 13h and 2min
The month with the longest days is May (Average daylight: 17h and 36min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 30min).
Average sunshine days in September
Keperveyem, Russia
- Average sunshine days in September: 13 days
The month with the most sunshine days is January (20.7 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Keperveyem, Russia
- Average UV index in September: 1
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March, April, September, October, November and December (UV index 1).
Average cloud cover in September
Keperveyem, Russia
- Average cloud cover in September: 60
The month with the most cloud cover is November (Cloud cover 71).
The month with the least cloud cover is June (Cloud cover 46).
Average visibility in September
Keperveyem, Russia
- Average visibility in September: 8km
The months with the highest visibility are June, July and August (9km).
The months with the lowest visibility are February, November and December (4km).
Keperveyem, Russia
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