September weather forecastBarnaul, Russia
September
Weather in September
September in Barnaul acts as a gateway to autumn with colours slowly changing in the city's parks and public spaces. Mild temperatures and decreasing daylight herald the transition from summer to fall. Although there is a slight increase in humidity and rainfall, 17.4°C (63.3°F) high temperature provides ideal conditions for enjoying the early autumn weather. The increasing cloud cover lends a distinct hue to the sky, giving Barnaul a charismatic autumnal charm. By the end of the month, the autumn foliage makes the city's landscape a visual treat.Temperature
September's arrival corresponds with a decrease in average high-temperatures, from August's moderately hot 24.4°C (75.9°F) to a refreshing 17.4°C (63.3°F). An average temperature of 6.3°C (43.3°F) marks the nights in Barnaul in September.Humidity
The average relative humidity in September in Barnaul is 65%.Rainfall
In Barnaul, in September, during 11.9 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, there are 105.4 rainfall days, and 389mm (15.31") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Barnaul. Throughout September, in the average 0.9 snowfall days, it receives 3mm (0.12") of snow. Throughout the year, there are 106.1 snowfall days, and 1175mm (46.26") of snow is accumulated.Daylight
In September, the average length of the day in Barnaul is 12h and 41min.On the first day of September, sunrise is at 06:35 and sunset at 20:14. On the last day of the month, sunrise is at 07:25 and sunset at 19:04 +07.
Sunshine
In September, the average sunshine in Barnaul is 8.5h.UV index
In Barnaul, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Ensure safety - Sun damage prevention is strongly urged. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Barnaul, Russia
- Average high temperature in September: 17.4°C
The warmest month (with the highest average high temperature) is July (25.9°C).
The month with the lowest average high temperature is January (-12.5°C).
- Average low temperature in September: 6.3°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-20.7°C).
Average pressure in September
Barnaul, Russia
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is January (1032.3mbar).
The month with the lowest atmospheric pressure is July (1006.6mbar).
Average wind speed in September
Barnaul, Russia
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is November (12km/h).
The calmest month (with the lowest average wind speed) is July (8.9km/h).
Average humidity in September
Barnaul, Russia
- Average humidity in September: 65%
The month with the highest relative humidity is February (96%).
The month with the lowest relative humidity is May (55%).
Average rainfall in September
Barnaul, Russia
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is July (52mm).
The driest month (with the least rainfall) is February (20mm).
Average rainfall days in September
Barnaul, Russia
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (1.1 days).
Average snowfall in September
Barnaul, Russia
- Average snowfall in September: 3mm
The month with the highest snowfall is November (305mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Barnaul, Russia
- Average snowfall days in September: 0.9 days
The month with the highest number of snowfall days is November (20.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Barnaul, Russia
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 8h and 30min
The months with the most sunshine are June and August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in September
Barnaul, Russia
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is November (9.1 days).
Average UV index in September
Barnaul, Russia
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Barnaul, Russia
- Average cloud cover in September: 38
The months with the most cloud cover are February and November (Cloud cover 75).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Barnaul, Russia
- Average visibility in September: 9km
The months with the highest visibility are May and June (10km).
The months with the lowest visibility are January and February (4km).
