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 change in temperatures is noted as August gives way to September, with average highs reducing from a refreshing 19°C (66.2°F) to a fresh 12.4°C (54.3°F). Irta experiences a mean temperature of 5.3°C (41.5°F) during September nights.Humidity
In September, the average relative humidity is 84%.Rainfall
In September, the rain falls for 13.4 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Irta, during the entire year, the rain falls for 103 days and collects up to 357mm (14.06") of precipitation.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Irta. Throughout September, in the average 1 snowfall days, it receives 9mm (0.35") of snow. Throughout the year, in Irta, there are 129.6 snowfall days, and 1011mm (39.8") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 57min.On the first day of September in Irta, sunrise is at 04:34 and sunset at 18:53. On the last day of the month, sunrise is at 05:50 and sunset at 17:18 MSK.
Sunshine
In Irta, the average sunshine in September is 5.1h.UV index
In Irta, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the average maximum UV index of 2 translates into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What are September temperatures in Irta?
What is the average humidity in September in Irta?
How many days does it rain in September in Irta?
When does it start to snow in Irta?
How many hours of daylight does Irta have in September?
What time are sunrise and sunset in September in Irta?
How long on average sun shines in September in Irta?
What is the UV index intensity in September in Irta?
Average temperature in September
Irta, Russia
- Average high temperature in September: 12.4°C
The warmest month (with the highest average high temperature) is July (23°C).
The month with the lowest average high temperature is January (-11.2°C).
- Average low temperature in September: 5.3°C
The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is January (-17°C).
Average pressure in September
Irta, Russia
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is February (1017.5mbar).
The month with the lowest atmospheric pressure is June (1010.8mbar).
Average wind speed in September
Irta, Russia
- Average wind speed in September: 9.9km/h
The windiest months (with the highest average wind speed) are October and November (11.2km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).
Average humidity in September
Irta, Russia
- Average humidity in September: 84%
The months with the highest relative humidity are January and February (97%).
The months with the lowest relative humidity are June and July (66%).
Average rainfall in September
Irta, Russia
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (44mm).
The driest months (with the least rainfall) are January and March (20mm).
Average rainfall days in September
Irta, Russia
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is August (15.3 days).
The month with the least rainy days is January (0.7 days).
Average snowfall in September
Irta, Russia
- Average snowfall in September: 9mm
The month with the highest snowfall is December (198mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Irta, Russia
- Average snowfall days in September: 1 days
The month with the highest number of snowfall days is January (22.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Irta, Russia
- Average daylight in September: 12h and 5min
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: 5h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 0h and 36min).
Average sunshine days in September
Irta, Russia
- Average sunshine days in September: 13 days
The month with the most sunshine days is July (15.6 days).
The month with the least sunshine days is April (9.5 days).
Average UV index in September
Irta, Russia
- Average UV index in September: 2
The month with the highest UV index is 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
Irta, Russia
- Average cloud cover in September: 67
The months with the most cloud cover are January, February and December (Cloud cover 90).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Irta, Russia
- Average visibility in September: 7km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (4km).
Irta, Russia
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