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's arrival comes with a decrease in the average high-temperature, moving from a moderately hot 23.2°C (73.8°F) in August to an enjoyable 18°C (64.4°F). Throughout the month of September, Serwy sees a steady low-temperature average of 9.1°C (48.4°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Serwy, Poland, in September, it is raining for 14.6 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, in Serwy, there are 177.2 rainfall days, and 539mm (21.22") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Serwy.Daylight
In Serwy, the average length of the day in September is 12h and 42min.On the first day of the month, sunrise is at 05:36 and sunset at 19:17. On the last day of September, in Serwy, Poland, sunrise is at 06:28 and sunset at 18:05 CEST.
Sunshine
In September, the average sunshine in Serwy, Poland, is 7.5h.UV index
The average daily maximum UV index in September in Serwy is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during September leads to these advisories:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
What is the usual temperature for Serwy in September?
What is the average humidity in September in Serwy?
How many days does it rain in September in Serwy?
When it does not snow in Serwy?
Does it snow in Serwy in September?
What is the average length of the day in September in Serwy?
When are sunrise and sunset in September in Serwy?
How long on average sun shines in September in Serwy?
What is the UV index reading in September in Serwy?
Average temperature in September
Serwy, Poland
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (-2°C).
- Average low temperature in September: 9.1°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).
Average pressure in September
Serwy, Poland
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1013mbar).
Average wind speed in September
Serwy, Poland
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (14.7km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in September
Serwy, Poland
- Average humidity in September: 78%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Serwy, Poland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in September
Serwy, Poland
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Serwy, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (168mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Serwy, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Serwy, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 24min).
Average sunshine days in September
Serwy, Poland
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is July (5.8 days).
Average UV index in September
Serwy, Poland
- Average UV index in September: 3
The months with the highest UV index are May, June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Serwy, Poland
- Average cloud cover in September: 44
The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Serwy, Poland
- 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 and February (7km).
Serwy, Poland
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