September weather forecastKatyn', Russia
September
Weather in September
September, the first month of the autumn in Katyn', is still a comfortable month, with an average temperature fluctuating between 16.4°C (61.5°F) and 7.9°C (46.2°F).Temperature
The arrival of September indicates a decrease in the average high-temperature, moving from a pleasant 22.1°C (71.8°F) in August to a comfortable 16.4°C (61.5°F). In the month of September, Katyn' witnesses a consistent average low-temperature of 7.9°C (46.2°F).Humidity
In September, the average relative humidity in Katyn' is 81%.Rainfall
September is the month with the least rainfall in Katyn'. Rain falls for 12.5 days and accumulates 30mm (1.18") of precipitation.Snowfall
June through September are months without snowfall in Katyn'.Daylight
In September, the average length of the day is 12h and 43min.On the first day of the month, sunrise is at 06:00 and sunset at 19:45. On the last day of September, sunrise is at 06:54 and sunset at 18:31 MSK.
Sunshine
In Katyn', the average sunshine in September is 6.7h.UV index
In Katyn', the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, an average UV index of 2 transforms into the following instructions:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Katyn', Russia
- Average high temperature in September: 16.4°C
The warmest month (with the highest average high temperature) is July (22.8°C).
The month with the lowest average high temperature is January (-5.2°C).
- Average low temperature in September: 7.9°C
The month with the highest average low temperature is July (13.2°C).
The coldest month (with the lowest average low temperature) is January (-9.7°C).
Average pressure in September
Katyn', Russia
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1012.4mbar).
Average wind speed in September
Katyn', Russia
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Katyn', Russia
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Katyn', Russia
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is May (68mm).
The driest month (with the least rainfall) is September (30mm).
Average rainfall days in September
Katyn', Russia
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is January (4.2 days).
Average snowfall in September
Katyn', Russia
- Average snowfall in September: 0mm
The month with the highest snowfall is December (215mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Katyn', Russia
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (23.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Katyn', Russia
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 6h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Katyn', Russia
- Average sunshine days in September: 14 days
The month with the most sunshine days is August (15.1 days).
The month with the least sunshine days is December (5.7 days).
Average UV index in September
Katyn', 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
Katyn', Russia
- Average cloud cover in September: 48
The months with the most cloud cover are January, February and December (Cloud cover 83).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Katyn', 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).
