September weather forecastOsa, Russia

September

Weather in September

The first month of the autumn, September, is still a mild month in Osa, Russia, with an average temperature ranging between max 14.5°C (58.1°F) and min 6.3°C (43.3°F).

Temperature

A shift in the average high-temperature occurs in September, reducing from an agreeable 21.7°C (71.1°F) in August to a refreshing 14.5°C (58.1°F). Osa records an average low of 6.3°C (43.3°F) throughout the nights in September.

Humidity

The average relative humidity in September in Osa, Russia, is 81%.

Rainfall

In Osa, in September, it is raining for 15.9 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 115.6 rainfall days, and 428mm (16.85") of precipitation is accumulated.

Snowfall

Months with snowfall in Osa are January through May, September through December. September is the first month it typically snows in Osa. Throughout September, in the average 0.7 snowfall days, it receives 5mm (0.2") of snow. Throughout the year, there are 120.6 snowfall days, and 1057mm (41.61") of snow is accumulated.

Daylight

In Osa, the average length of the day in September is 12h and 47min.
On the first day of September, sunrise is at 06:20 and sunset at 20:15. On the last day of the month, sunrise is at 07:20 and sunset at 18:55 +05.

Sunshine

In Osa, Russia, the average sunshine in September is 5.7h.

UV index

In September, the average daily maximum UV index in Osa is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 in September interprets into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

The high-temperature, in September, in Osa, is 14.5°C (58.1°F), while the low-temperature averages to 6.3°C (43.3°F).

In September, the average relative humidity in Osa, Russia, is 81%.

In September, in Osa, the rain falls for 15.9 days. Throughout September, 30mm (1.18") of precipitation is accumulated.

September is the first month it typically snows in Osa. Throughout September, in the average 0.7 snowfall days, it receives 5mm (0.2") of snow.

In Osa, Russia, the average day length in September is 12h and 47min.

In September, on the first day of the month, sunrise is at 06:20 and sunset at 20:15. On the last day of the month, in Osa, sunrise is at 07:20 and sunset at 18:55 +05.

The average sunshine duration in September in Osa is 5.7h.

The average daily maximum UV index in September in Osa is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Osa, Russia

  • Average high temperature in September: 14.5°C

The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (-10.8°C).

  • Average low temperature in September: 6.3°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 (-17.1°C).

Average pressure in September
Osa, Russia

  • Average pressure in September: 1015.1mbar

The month with the highest atmospheric pressure is February (1023mbar).
The month with the lowest atmospheric pressure is July (1010.8mbar).

Average wind speed in September
Osa, Russia

  • Average wind speed in September: 9.7km/h

The windiest month (with the highest average wind speed) is October (11.5km/h).
The calmest month (with the lowest average wind speed) is July (9.2km/h).

Average humidity in September
Osa, Russia

  • Average humidity in September: 81%

The months with the highest relative humidity are January, February and March (96%).
The month with the lowest relative humidity is May (63%).

Average rainfall in September
Osa, Russia

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is July (68mm).
The driest month (with the least rainfall) is February (19mm).

Average rainfall days in September
Osa, Russia

  • Average rainfall days in September: 15.9 days

The month with the highest number of rainy days is September (15.9 days).
The month with the least rainy days is January (0.7 days).

Average snowfall in September
Osa, Russia

  • Average snowfall in September: 5mm

The month with the highest snowfall is December (200mm).
The months with the least snowfall are June, July and August (0mm).

Average snowfall days in September
Osa, Russia

  • Average snowfall days in September: 0.7 days

The months with the highest number of snowfall days are March and December (21.5 days).
The months with the least snowfall days are July and August (0 days).

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

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 48min).

  • Average sunshine in September: 5h and 42min

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 1h and 6min).

Average sunshine days in September
Osa, Russia

  • Average sunshine days in September: 11 days

The month with the most sunshine days is May (15.8 days).
The month with the least sunshine days is April (8.1 days).

Average UV index in September
Osa, 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, October, November and December (UV index 1).

Average cloud cover in September
Osa, Russia

  • Average cloud cover in September: 58

The month with the most cloud cover is March (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 37).

Average visibility in September
Osa, Russia

  • Average visibility in September: 8km

The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (4km).