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
The onset of September entails a temperature shift, as the average high-temperature decreases from a warm 24.4°C (75.9°F) in August to an enjoyable 19°C (66.2°F). Throughout the September nights, Grudna Kępska encounters a low-temperature of 9.3°C (48.7°F).Humidity
In September, the average relative humidity is 76%.Rainfall
In Grudna Kępska, Poland, in September, during 10.5 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Grudna Kępska, during the entire year, the rain falls for 155.5 days and collects up to 507mm (19.96") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Grudna Kępska is 12h and 37min.On the first day of the month, sunrise is at 05:51 and sunset at 19:18. On the last day of September, sunrise is at 06:33 and sunset at 18:15 CEST.
Sunshine
The average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September in Grudna Kępska is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grudna Kępska in September?
What is the average humidity in September in Grudna Kępska?
How much does it rain in Grudna Kępska in September?
When it does not snow in Grudna Kępska?
Does it snow in Grudna Kępska in September?
What is the average length of the day in September in Grudna Kępska?
When is the sunrise / sunset in September in Grudna Kępska?
How many hours of sunshine does Grudna Kępska have in September?
What is the UV index intensity in September in Grudna Kępska?
Average temperature in September
Grudna Kępska, Poland
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in September: 9.3°C
The months with the highest average low temperature are July and August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in September
Grudna Kępska, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1019.1mbar).
The months with the lowest atmospheric pressure are June and July (1014.4mbar).
Average wind speed in September
Grudna Kępska, Poland
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is December (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in September
Grudna Kępska, Poland
- Average humidity in September: 76%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Grudna Kępska, Poland
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is March (26mm).
Average rainfall days in September
Grudna Kępska, Poland
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (9 days).
Average snowfall in September
Grudna Kępska, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (159mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grudna Kępska, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grudna Kępska, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Grudna Kępska, Poland
- Average sunshine days in September: 18 days
The month with the most sunshine days is August (18.4 days).
The month with the least sunshine days is January (8.1 days).
Average UV index in September
Grudna Kępska, 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 and December (UV index 1).
Average cloud cover in September
Grudna Kępska, Poland
- Average cloud cover in September: 38
The months with the most cloud cover are January and February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Grudna Kępska, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
