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 arrival of September signals a shift in temperature, down from a moderately hot 26.3°C (79.3°F) in August to a pleasant 21.3°C (70.3°F). Koydan reports an average nighttime low-temperature of 10.5°C (50.9°F) in September.Humidity
In Koydan, the average relative humidity in September is 69%.Rainfall
In September, the rain falls for 12.3 days. Throughout September, 34mm (1.34") of precipitation is accumulated. Throughout the year, there are 149.5 rainfall days, and 485mm (19.09") of precipitation is accumulated.Snowfall
In Koydan, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 31min.On the first day of September in Koydan, sunrise is at 05:34 and sunset at 18:47. On the last day of the month, sunrise is at 06:08 and sunset at 17:54 MSK.
Sunshine
In Koydan, the average sunshine in September is 10.4h.UV index
In September, the average daily maximum UV index in Koydan is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. When the Sun is at its strongest around midday, find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the usual temperature for Koydan in September?
What is the average humidity in September in Koydan?
How many days does it rain in September in Koydan?
When it does not snow in Koydan?
Does it snow in Koydan in September?
What is the average length of the day in September in Koydan?
What time are sunrise and sunset in September in Koydan?
How long on average sun shines in September in Koydan?
What is the UV index intensity in September in Koydan?
Average temperature in September
Koydan, Russia
- Average high temperature in September: 21.3°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is January (-5°C).
Average pressure in September
Koydan, Russia
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is November (1021.2mbar).
The month with the lowest atmospheric pressure is July (1011.2mbar).
Average wind speed in September
Koydan, Russia
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is March (11.3km/h).
The calmest months (with the lowest average wind speed) are January, June, July and December (9.6km/h).
Average humidity in September
Koydan, Russia
- Average humidity in September: 69%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Koydan, Russia
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is June (77mm).
The driest month (with the least rainfall) is February (16mm).
Average rainfall days in September
Koydan, Russia
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Koydan, Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (160mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Koydan, Russia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Koydan, Russia
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Koydan, Russia
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in September
Koydan, Russia
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Koydan, Russia
- Average cloud cover in September: 25
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Koydan, Russia
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).
Koydan, Russia
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