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
September suggests a modest reduction in the average high-temperature, shifting from a warm 24.3°C (75.7°F) in August to a comfortable 18.8°C (65.8°F). Throughout the month of September, Bolmin reports a steady low-temperature average of 10.1°C (50.2°F).Humidity
In September, the average relative humidity is 75%.Rainfall
In September, the rain falls for 13.5 days. Throughout September, 39mm (1.54") of precipitation is accumulated. Throughout the year, in Bolmin, there are 158.9 rainfall days, and 516mm (20.31") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Bolmin, Poland.Daylight
In Bolmin, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 05:53 and sunset at 19:23. On the last day of September, sunrise is at 06:38 and sunset at 18:18 CEST.
Sunshine
In Bolmin, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Around midday, solar radiation is most harmful; hence, exposure should be limited. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What is the usual temperature for Bolmin in September?
What is the average humidity in September in Bolmin?
How many days does it rain in September in Bolmin?
When it does not snow in Bolmin?
Does it snow in Bolmin in September?
What is the average length of the day in September in Bolmin?
What time are sunrise and sunset in September in Bolmin?
How many hours of sunshine does Bolmin have in September?
What is the UV index intensity in September in Bolmin?
Average temperature in September
Bolmin, Poland
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Bolmin, Poland
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).
Average wind speed in September
Bolmin, Poland
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Bolmin, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in September
Bolmin, Poland
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (27mm).
Average rainfall days in September
Bolmin, Poland
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Bolmin, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (162mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Bolmin, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bolmin, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 54min).
Average sunshine days in September
Bolmin, Poland
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Bolmin, Poland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in September
Bolmin, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Bolmin, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
Bolmin, Poland
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