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
As August transitions into September, Grębków sees a drop in the average high-temperature, transitioning from a warm 24.5°C (76.1°F) to a refreshing 18.7°C (65.7°F). Grębków records a mean low-temperature of 10.1°C (50.2°F) in September.Humidity
The average relative humidity in September is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 8.5 days and accumulates 18mm (0.71") of precipitation.Snowfall
In Grębków, snow does not fall in May through September.Daylight
In Grębków, Poland, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 05:44 and sunset at 19:19. On the last day of September, in Grębków, sunrise is at 06:32 and sunset at 18:11 CEST.
Sunshine
In September, the average sunshine is 7.8h.UV index
In September, the average daily maximum UV index in Grębków is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Grębków?
What is the average humidity in September in Grębków?
What is the driest month in Grębków?
How much does it rain in Grębków in September?
When it does not snow in Grębków?
Does it snow in Grębków in September?
How many hours of daylight does Grębków have in September?
When are sunrise and sunset in September in Grębków?
How many hours of sunshine does Grębków have in September?
What is the UV index reading in September in Grębków?
Average temperature in September
Grębków, Poland
- Average high temperature in September: 18.7°C
The warmest months (with the highest average high temperature) are July and August (24.5°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in September: 10.1°C
The months with the highest average low temperature are July and August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Grębków, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Grębków, Poland
- Average wind speed in September: 11.3km/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 (10km/h).
Average humidity in September
Grębków, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Grębków, Poland
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is May (55mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in September
Grębków, Poland
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in September
Grębków, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (154mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Grębków, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grębków, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in September
Grębków, Poland
- Average sunshine days in September: 20.6 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is January (8.8 days).
Average UV index in September
Grębków, Poland
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Grębków, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Grębków, 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).
