Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A shift in the average high-temperature occurs in September, reducing from a warm 24.4°C (75.9°F) in August to a refreshing 18.5°C (65.3°F). In the month of September, an average of 9.3°C (48.7°F) marks the low-temperature in Slonim, Belarus.Humidity
The average relative humidity in September in Slonim is 76%.Rainfall
In Slonim, Belarus, during September, the rain falls for 10.8 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, in Slonim, there are 136.7 rainfall days, and 402mm (15.83") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Slonim.Daylight
In Slonim, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 06:29 and sunset at 20:07. On the last day of September, in Slonim, sunrise is at 07:19 and sunset at 18:57 +03.
Sunshine
In Slonim, the average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September in Slonim is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Slonim?
What is the average humidity in September in Slonim?
How many days does it rain in September in Slonim?
When it does not snow in Slonim?
Does it snow in Slonim in September?
What is the average length of the day in September in Slonim?
When are sunrise and sunset in September in Slonim?
How long on average sun shines in September in Slonim?
How high is the UV index in September in Slonim?
Average temperature in September
Slonim, Belarus
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is July (24.6°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is January (-5.8°C).
Average pressure in September
Slonim, Belarus
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1013mbar).
Average wind speed in September
Slonim, Belarus
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is December (12.7km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Slonim, Belarus
- Average humidity in September: 76%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Slonim, Belarus
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Slonim, Belarus
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Slonim, Belarus
- Average snowfall in September: 0mm
The month with the highest snowfall is January (165mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Slonim, Belarus
- 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
Slonim, Belarus
- Average daylight in September: 12h and 4min
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 42min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).
Average sunshine days in September
Slonim, Belarus
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in September
Slonim, Belarus
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Slonim, Belarus
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 81).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Slonim, Belarus
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August and September (9km).
The month with the lowest visibility is January (6km).
Slonim, Belarus
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