September weather forecastKoy, Russia
September
Weather in September
September, the first month of the autumn in Koy, is also a moderate month, with an average temperature varying between 15.2°C (59.4°F) and 7.6°C (45.7°F).Temperature
With September's onset, the average high-temperature recedes from August's agreeable 21.8°C (71.2°F) to a refreshing 15.2°C (59.4°F). Throughout the month of September, Koy expects an average low of 7.6°C (45.7°F).Humidity
The average relative humidity in September is 82%.Rainfall
In September, the rain falls for 15 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, in Koy, there are 133.5 rainfall days, and 479mm (18.86") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 4mm (0.16") of snow. In Koy, during the entire year, snow falls for 110.3 days and aggregates up to 921mm (36.26") of snow.Daylight
In September, the average length of the day is 12h and 48min.On the first day of the month, sunrise is at 05:31 and sunset at 19:27. On the last day of September, sunrise is at 06:32 and sunset at 18:06 MSK.
Sunshine
In September, the average sunshine is 6.6h.UV index
In September, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 2 suggests this advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koy, Russia
- Average high temperature in September: 15.2°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-6.6°C).
- Average low temperature in September: 7.6°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-11.3°C).
Average pressure in September
Koy, Russia
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is November (1017.7mbar).
The month with the lowest atmospheric pressure is July (1011.6mbar).
Average wind speed in September
Koy, Russia
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).
Average humidity in September
Koy, Russia
- Average humidity in September: 82%
The month with the highest relative humidity is February (96%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Koy, Russia
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is July (68mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in September
Koy, Russia
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (18.8 days).
The months with the least rainy days are January and February (2.6 days).
Average snowfall in September
Koy, Russia
- Average snowfall in September: 4mm
The month with the highest snowfall is January (193mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Koy, Russia
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Koy, Russia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 6h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 1h and 12min).
Average sunshine days in September
Koy, Russia
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is August (13.4 days).
The month with the least sunshine days is March (7.3 days).
Average UV index in September
Koy, Russia
- Average UV index in September: 2
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, October, November and December (UV index 1).
Average cloud cover in September
Koy, Russia
- Average cloud cover in September: 56
The month with the most cloud cover is January (Cloud cover 87).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Koy, Russia
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January, February and March (6km).
