September weather forecastStai, Russia

September

Weather in September

September, the first month of the autumn in Stai, is still a comfortable month, with temperature in the range of an average high of 16.7°C (62.1°F) and an average low of 8.1°C (46.6°F).

Temperature

The beginning of September marks a decrease in the average high-temperature, transitioning from a pleasant 22.5°C (72.5°F) in August to a comfortable 16.7°C (62.1°F). September nights are marked by an average low-temperature of 8.1°C (46.6°F).

Humidity

In September, the average relative humidity is 81%.

Rainfall

In September, in Stai, the rain falls for 13.7 days. Throughout September, 36mm (1.42") of precipitation is accumulated. In Stai, during the entire year, the rain falls for 145.5 days and collects up to 464mm (18.27") of precipitation.

Snowfall

June through September are months without snowfall in Stai.

Daylight

The average length of the day in September is 12h and 43min.
On the first day of the month, sunrise is at 06:03 and sunset at 19:48. On the last day of September, in Stai, sunrise is at 06:57 and sunset at 18:34 MSK.

Sunshine

In Stai, the average sunshine in September is 6.8h.

UV index

In Stai, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 3 during September translates into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Frequently asked questions

The average high-temperature, in September, in Stai, is 16.7°C (62.1°F), while the average low-temperature is 8.1°C (46.6°F).

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

In Stai, Russia, in September, it is raining for 13.7 days, with typically 36mm (1.42") of accumulated precipitation.

June through September are months without snowfall.

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

In Stai, the average day length in September is 12h and 43min.

On the first day of September, sunrise is at 06:03 and sunset at 19:48. On the last day of the month, sunrise is at 06:57 and sunset at 18:34 MSK.

The average sunshine duration in September in Stai, Russia, is 6.8h.

The average daily maximum UV index in September in Stai, Russia, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Stai, Russia

  • Average high temperature in September: 16.7°C

The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (-4.7°C).

  • Average low temperature in September: 8.1°C

The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).

Average pressure in September
Stai, Russia

  • Average pressure in September: 1016.5mbar

The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1012.4mbar).

Average wind speed in September
Stai, Russia

  • Average wind speed in September: 12.1km/h

The windiest month (with the highest average wind speed) is December (15.8km/h).
The calmest months (with the lowest average wind speed) are July and August (11km/h).

Average humidity in September
Stai, Russia

  • Average humidity in September: 81%

The months with the highest relative humidity are January, February and December (93%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September
Stai, Russia

  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is July (68mm).
The driest month (with the least rainfall) is February (23mm).

Average rainfall days in September
Stai, Russia

  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (4 days).

Average snowfall in September
Stai, Russia

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (185mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Stai, Russia

  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is January (20.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).

  • Average sunshine in September: 6h and 48min

The months with the most sunshine are June and July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).

Average sunshine days in September
Stai, Russia

  • Average sunshine days in September: 13 days

The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is December (7.9 days).

Average UV index in September
Stai, Russia

  • Average UV index in September: 3

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
Stai, Russia

  • Average cloud cover in September: 49

The months with the most cloud cover are January, February and December (Cloud cover 82).
The month with the least cloud cover is August (Cloud cover 37).

Average visibility in September
Stai, Russia

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March and December (7km).