September weather forecastArka, Russia
September
Weather in September
September, the first month of the autumn in Arka, is still a cool month, with an average temperature fluctuating between 1.8°C (35.2°F) and 10.5°C (50.9°F).Temperature
A decrease in the average high-temperature marks September, falling from August's refreshing 18.5°C (65.3°F) to a fresh 10.5°C (50.9°F). Nighttime temperatures consistently average a wintry 1.8°C (35.2°F) during September.Humidity
In Arka, the average relative humidity in September is 73%.Rainfall
September is the month with the most rainfall in Arka. Rain falls for 13 days and accumulates 74mm (2.91") of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Arka. Throughout September, in the average 1.5 snowfall days, it receives 67mm (2.64") of snow. In Arka, during the entire year, snow falls for 82.5 days and aggregates up to 1557mm (61.3") of snow.Daylight
In Arka, the average length of the day in September is 12h and 54min.On the first day of September in Arka, sunrise is at 05:26 and sunset at 19:35. On the last day of the month, sunrise is at 06:34 and sunset at 18:06 +10.
Sunshine
In September, the average sunshine is 7.1h.UV index
In Arka, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in September converts into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Arka, Russia
- Average high temperature in September: 10.5°C
The warmest month (with the highest average high temperature) is July (20.2°C).
The month with the lowest average high temperature is January (-21°C).
- Average low temperature in September: 1.8°C
The month with the highest average low temperature is July (9°C).
The coldest month (with the lowest average low temperature) is February (-26.2°C).
Average pressure in September
Arka, Russia
- Average pressure in September: 1010.1mbar
The month with the highest atmospheric pressure is January (1016.4mbar).
The month with the lowest atmospheric pressure is July (1008mbar).
Average wind speed in September
Arka, Russia
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in September
Arka, Russia
- Average humidity in September: 73%
The month with the highest relative humidity is April (89%).
The month with the lowest relative humidity is June (70%).
Average rainfall in September
Arka, Russia
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is September (74mm).
The driest month (with the least rainfall) is February (5mm).
Average rainfall days in September
Arka, Russia
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is August (14.5 days).
The month with the least rainy days is January (1.2 days).
Average snowfall in September
Arka, Russia
- Average snowfall in September: 67mm
The month with the highest snowfall is October (415mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Arka, Russia
- Average snowfall days in September: 1.5 days
The month with the highest number of snowfall days is April (15.5 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in September /
Average sunshine in September
Arka, Russia
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Arka, Russia
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is August (14 days).
Average UV index in September
Arka, Russia
- Average UV index in September: 2
The month with the highest UV index is June (UV index 5).
The month with the lowest UV index is April (UV index 1).
Average cloud cover in September
Arka, Russia
- Average cloud cover in September: 51
The month with the most cloud cover is April (Cloud cover 61).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in September
Arka, Russia
- Average visibility in September: 8km
The months with the highest visibility are January, February, June, October, November and December (9km).
The month with the lowest visibility is April (6km).
