September weather forecastGrębki, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Grębki, Poland, with an average temperature fluctuating between 9.9°C (49.8°F) and 18.7°C (65.7°F).Temperature
As September commences, the average high-temperature shows a reduction, transitioning from a warm 24.3°C (75.7°F) in August to a comfortable 18.7°C (65.7°F). An average low-temperature of 9.9°C (49.8°F) is recorded during the nights in September in Grębki.Humidity
In September, the average relative humidity is 74%.Rainfall
In Grębki, in September, it is raining for 13.8 days, with typically 36mm (1.42") of accumulated precipitation. In Grębki, during the entire year, the rain falls for 148.8 days and collects up to 426mm (16.77") of precipitation.Snowfall
June through September are months without snowfall.Daylight
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 19:21. On the last day of September, sunrise is at 06:33 and sunset at 18:12 CEST.
Sunshine
The average sunshine in September in Grębki is 7.8h.UV index
In Grębki, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 during September translates into the following directions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. 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
Average temperature in September
Grębki, Poland
- Average high temperature in September: 18.7°C
The warmest months (with the highest average high temperature) are July and August (24.3°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is July (14.1°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).
Average pressure in September
Grębki, 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
Grębki, 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
Grębki, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in September
Grębki, Poland
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is May (64mm).
The driest month (with the least rainfall) is February (16mm).
Average rainfall days in September
Grębki, Poland
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
Grębki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (79mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grębki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grębki, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 48min
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 30min).
Average sunshine days in September
Grębki, Poland
- Average sunshine days in September: 13.8 days
The months with the most sunshine days are March and October (16.3 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in September
Grębki, 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
Grębki, Poland
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Grębki, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
