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
In September, the average high-temperature decreases from a moderately hot 23.5°C (74.3°F) in August to an enjoyable 18.2°C (64.8°F). During the month of September, Surwile anticipates a mean low-temperature of 9.5°C (49.1°F).Humidity
The average relative humidity in September is 77%.Rainfall
In Surwile, in September, during 12.8 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, in Surwile, Poland, there are 154.2 rainfall days, and 430mm (16.93") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Surwile is 12h and 42min.On the first day of the month, sunrise is at 05:42 and sunset at 19:24. On the last day of September, in Surwile, sunrise is at 06:34 and sunset at 18:12 CEST.
Sunshine
In Surwile, the average sunshine in September is 7.6h.UV index
In Surwile, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Surwile in September?
What is the average humidity in September in Surwile?
How many days does it rain in September in Surwile?
When it does not snow in Surwile?
Does it snow in Surwile in September?
How many hours of daylight does Surwile have in September?
When is the sunrise / sunset in September in Surwile?
How long on average sun shines in September in Surwile?
How high is the UV index in September in Surwile?
Average temperature in September
Surwile, Poland
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in September
Surwile, Poland
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in September
Surwile, Poland
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Surwile, Poland
- Average humidity in September: 77%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Surwile, Poland
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is May (60mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Surwile, Poland
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in September
Surwile, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (112mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Surwile, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Surwile, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in September
Surwile, Poland
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in September
Surwile, Poland
- 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, November and December (UV index 1).
Average cloud cover in September
Surwile, Poland
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Surwile, 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).
