September weather forecastOstryanka, Russia

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Ostryanka, Russia, with an average temperature fluctuating between 19.2°C (66.6°F) and 9.9°C (49.8°F).

Temperature

September brings a minor decrease, with the average high-temperature reducing from a warm 25.6°C (78.1°F) in August to an enjoyable 19.2°C (66.6°F). Throughout September nights, Ostryanka registers an average low-temperature of 9.9°C (49.8°F).

Humidity

In September, the average relative humidity is 66%.

Rainfall

The month with the least rainfall is September, when the rain falls for 6.9 days and typically collects 16mm (0.63") of precipitation.

Snowfall

In Ostryanka, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 38min.
On the first day of the month, sunrise is at 05:40 and sunset at 19:12. On the last day of September, in Ostryanka, sunrise is at 06:26 and sunset at 18:06 MSK.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In Ostryanka, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 3 during September leads to these advisories:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

In September, in Ostryanka, the average high-temperature is 19.2°C (66.6°F), and the average low-temperature is 9.9°C (49.8°F).

In September, the average relative humidity in Ostryanka is 66%.

September is the month with the least rainfall in Ostryanka, Russia. Rain falls for 6.9 days and accumulates 16mm (0.63") of precipitation.

In September, in Ostryanka, the rain falls for 6.9 days. Throughout September, 16mm (0.63") of precipitation is accumulated.

In Ostryanka, Russia, snow does not fall in May through September.

In Ostryanka, Russia, in September, it doesn't snow. In October, it regularly snows.

In Ostryanka, Russia, the average day length in September is 12h and 38min.

In September, on the first day of the month, sunrise is at 05:40 and sunset at 19:12. On the last day of the month, sunrise is at 06:26 and sunset at 18:06 MSK.

The average sunshine duration in September in Ostryanka is 8.6h.

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ostryanka, Russia

  • Average high temperature in September: 19.2°C

The warmest month (with the highest average high temperature) is July (26.2°C).
The month with the lowest average high temperature is January (-4.7°C).

  • Average low temperature in September: 9.9°C

The month with the highest average low temperature is July (15.6°C).
The coldest month (with the lowest average low temperature) is January (-9.3°C).

Average pressure in September
Ostryanka, Russia

  • Average pressure in September: 1016.9mbar

The month with the highest atmospheric pressure is November (1021.8mbar).
The month with the lowest atmospheric pressure is July (1012.2mbar).

Average wind speed in September
Ostryanka, Russia

  • Average wind speed in September: 11.8km/h

The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).

Average humidity in September
Ostryanka, Russia

  • Average humidity in September: 66%

The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is August (62%).

Average rainfall in September
Ostryanka, Russia

  • Average rainfall in September: 16mm

The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is September (16mm).

Average rainfall days in September
Ostryanka, Russia

  • Average rainfall days in September: 6.9 days

The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (3.7 days).

Average snowfall in September
Ostryanka, Russia

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (145mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Ostryanka, Russia

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Ostryanka, Russia

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in September: 8h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 42min).

Average sunshine days in September
Ostryanka, Russia

  • Average sunshine days in September: 21.1 days

The month with the most sunshine days is September (21.1 days).
The month with the least sunshine days is December (11.3 days).

Average UV index in September
Ostryanka, Russia

  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in September
Ostryanka, Russia

  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is August (Cloud cover 26).

Average visibility in September
Ostryanka, Russia

  • Average visibility in September: 9km

The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January and February (7km).