September weather forecastValday, Russia
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Valday, Russia, with an average temperature fluctuating between 14.6°C (58.3°F) and 7.4°C (45.3°F).Temperature
Valday's weather changes with the onset of September, slightly falling from a pleasant 21.1°C (70°F) in August to a moderate 14.6°C (58.3°F). During September, Valday's temperature averages to a frosty 7.4°C (45.3°F) at night.Humidity
In September, the average relative humidity is 84%.Rainfall
In Valday, in September, during 16.5 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Valday, during the entire year, the rain falls for 135.7 days and collects up to 553mm (21.77") of precipitation.Snowfall
July through September are months without snowfall.Daylight
The average length of the day in September is 12h and 48min.On the first day of the month, sunrise is at 05:48 and sunset at 19:45. On the last day of September, sunrise is at 06:50 and sunset at 18:23 MSK.
Sunshine
In Valday, the average sunshine in September is 5.4h.UV index
In September, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 2 during September translates into the following directions:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Valday, Russia
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (-6°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is January (-9.9°C).
Average pressure in September
Valday, Russia
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is October (1016.6mbar).
The month with the lowest atmospheric pressure is July (1011.6mbar).
Average wind speed in September
Valday, Russia
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is July (10.2km/h).
Average humidity in September
Valday, Russia
- Average humidity in September: 84%
The month with the highest relative humidity is February (96%).
The month with the lowest relative humidity is June (72%).
Average rainfall in September
Valday, Russia
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is July (67mm).
The driest month (with the least rainfall) is February (34mm).
Average rainfall days in September
Valday, Russia
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (1.7 days).
Average snowfall in September
Valday, Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (256mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Valday, Russia
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (21.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Valday, Russia
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).
- Average sunshine in September: 5h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 0h and 42min).
Average sunshine days in September
Valday, Russia
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is May (14.1 days).
The month with the least sunshine days is December (7.6 days).
Average UV index in September
Valday, 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
Valday, Russia
- Average cloud cover in September: 62
The month with the most cloud cover is January (Cloud cover 90).
The months with the least cloud cover are June and August (Cloud cover 44).
Average visibility in September
Valday, Russia
- Average visibility in September: 8km
The months with the highest visibility are May and June (9km).
The month with the lowest visibility is February (5km).
