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
The shift from August to September involves a decrease in the average high-temperature, from a moderately hot 23.4°C (74.1°F) to an enjoyable 18°C (64.4°F). Bytomsko cools down to an average low-temperature of 8.5°C (47.3°F) throughout the month of September.Humidity
The average relative humidity in September is 78%.Rainfall
In Bytomsko, in September, during 13.6 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Bytomsko, Poland, during the entire year, the rain falls for 168.5 days and collects up to 575mm (22.64") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Bytomsko is 12h and 37min.On the first day of September, sunrise is at 05:54 and sunset at 19:21. On the last day of the month, sunrise is at 06:37 and sunset at 18:18 CEST.
Sunshine
In September, the average sunshine in Bytomsko is 8.3h.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 unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 3 transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the average September temperature in Bytomsko?
What is the average humidity in September in Bytomsko?
How much does it rain in Bytomsko in September?
When it does not snow in Bytomsko?
Does it snow in Bytomsko in September?
How many hours of daylight does Bytomsko have in September?
What time are sunrise and sunset in September in Bytomsko?
How long on average sun shines in September in Bytomsko?
What is the UV index intensity in September in Bytomsko?
Average temperature in September
Bytomsko, Poland
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-5.5°C).
Average pressure in September
Bytomsko, Poland
- Average pressure in September: 1017.7mbar
The months with the highest atmospheric pressure are October and December (1019mbar).
The months with the lowest atmospheric pressure are June and July (1014.4mbar).
Average wind speed in September
Bytomsko, Poland
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is March (11.4km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in September
Bytomsko, Poland
- Average humidity in September: 78%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in September
Bytomsko, Poland
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is May (88mm).
The driest months (with the least rainfall) are March and November (31mm).
Average rainfall days in September
Bytomsko, Poland
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in September
Bytomsko, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (204mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Bytomsko, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bytomsko, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Bytomsko, Poland
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is June (7.7 days).
Average UV index in September
Bytomsko, 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 January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Bytomsko, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Bytomsko, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).
Bytomsko, Poland
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