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
A decrease in the average high-temperature is observed during September, shifting from a warm 23.8°C (74.8°F) in August to a refreshing 18.4°C (65.1°F). During September nights, Grudusk witnesses a consistent average temperature of 10.2°C (50.4°F).Humidity
The average relative humidity in September in Grudusk, Poland, is 74%.Rainfall
In Grudusk, during September, the rain falls for 13.4 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, there are 165 rainfall days, and 499mm (19.65") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Grudusk.Daylight
In September, the average length of the day in Grudusk is 12h and 41min.On the first day of September, sunrise is at 05:48 and sunset at 19:26. On the last day of the month, sunrise is at 06:38 and sunset at 18:16 CEST.
Sunshine
The average sunshine in September is 7.7h.UV index
In Grudusk, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 during September translates into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Grudusk in September?
What is the average humidity in September in Grudusk?
How many days does it rain in September in Grudusk?
When it does not snow in Grudusk?
Does it snow in Grudusk in September?
How many hours of daylight does Grudusk have in September?
When are sunrise and sunset in September in Grudusk?
How long on average sun shines in September in Grudusk?
What is the UV index reading in September in Grudusk?
Average temperature in September
Grudusk, Poland
- Average high temperature in September: 18.4°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Grudusk, Poland
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
Grudusk, Poland
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Grudusk, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Grudusk, Poland
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is May (65mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Grudusk, Poland
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in September
Grudusk, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (167mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grudusk, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grudusk, 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 42min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).
Average sunshine days in September
Grudusk, Poland
- Average sunshine days in September: 14 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in September
Grudusk, 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
Grudusk, Poland
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Grudusk, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).
