September weather forecastOnega, Russia
September
Weather in September
September, the first month of the autumn in Onega, is also a fresh month, with an average temperature fluctuating between 7.3°C (45.1°F) and 12.3°C (54.1°F).Temperature
Onega's weather in September involves a decrease in the average high-temperature, moving down from August's refreshing 17.8°C (64°F) to a fresh 12.3°C (54.1°F). During September, Onega's temperature falls to a steady low-temperature average of 7.3°C (45.1°F).Humidity
The average relative humidity in September in Onega is 84%.Rainfall
In Onega, in September, it is raining for 12.1 days, with typically 17mm (0.67") of accumulated precipitation. Throughout the year, there are 98.2 rainfall days, and 225mm (8.86") of precipitation is accumulated.Snowfall
In Onega, snow does not fall in June through September.Daylight
The average length of the day in September in Onega is 13h and 1min.On the first day of the month, sunrise is at 05:12 and sunset at 19:42. On the last day of September, sunrise is at 06:34 and sunset at 18:00 MSK.
Sunshine
The average sunshine in September is 5.9h.UV index
In Onega, Russia, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in September converts into the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Onega, Russia
- Average high temperature in September: 12.3°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 (-8°C).
- Average low temperature in September: 7.3°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-12.5°C).
Average pressure in September
Onega, Russia
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Onega, Russia
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is November (15.4km/h).
The calmest month (with the lowest average wind speed) is July (11.2km/h).
Average humidity in September
Onega, Russia
- Average humidity in September: 84%
The months with the highest relative humidity are January and February (96%).
The month with the lowest relative humidity is June (69%).
Average rainfall in September
Onega, Russia
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is August (30mm).
The driest months (with the least rainfall) are February and March (13mm).
Average rainfall days in September
Onega, Russia
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is August (13.5 days).
The months with the least rainy days are January and February (1.8 days).
Average snowfall in September
Onega, Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Onega, Russia
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Onega, Russia
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 42min).
The month with the shortest days is December (Average daylight: 4h and 30min).
- Average sunshine in September: 5h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 36min).
Average sunshine days in September
Onega, Russia
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is May (15.7 days).
The month with the least sunshine days is March (11 days).
Average UV index in September
Onega, 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, April, October, November and December (UV index 1).
Average cloud cover in September
Onega, Russia
- Average cloud cover in September: 60
The months with the most cloud cover are January and February (Cloud cover 86).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in September
Onega, Russia
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (6km).
