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
September
Weather in September
Temperature
Welcoming September, Serwatki observes a shift in the average high-temperature, falling from August's warm 23.8°C (74.8°F) to a refreshing 18.5°C (65.3°F). Serwatki cools down to an average low-temperature of 9.7°C (49.5°F) throughout the month of September.Humidity
In Serwatki, the average relative humidity in September is 75%.Rainfall
In Serwatki, in September, it is raining for 9.5 days, with typically 22mm (0.87") of accumulated precipitation. In Serwatki, during the entire year, the rain falls for 130.4 days and collects up to 284mm (11.18") of precipitation.Snowfall
In Serwatki, snow does not fall in June through September.Daylight
In Serwatki, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 05:42 and sunset at 19:21. On the last day of September, sunrise is at 06:33 and sunset at 18:11 CEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
In Serwatki, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 3 during September translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Serwatki have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Serwatki have in September?
How high is the UV index in September?
Average temperature in September
Serwatki, Poland
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in September: 9.7°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 (-4.6°C).
Average pressure in September
Serwatki, Poland
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in September
Serwatki, Poland
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is December (13km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Serwatki, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (69%).
Average rainfall in September
Serwatki, Poland
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is May (42mm).
The driest months (with the least rainfall) are February and March (14mm).
Average rainfall days in September
Serwatki, Poland
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in September
Serwatki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Serwatki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Serwatki, Poland
- 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 36min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).
Average sunshine days in September
Serwatki, Poland
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in September
Serwatki, 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, November and December (UV index 1).
Average cloud cover in September
Serwatki, Poland
- Average cloud cover in September: 42
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 34).
Average visibility in September
Serwatki, 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).
