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 brings a small shift in high-temperatures, falling from a pleasant 21.4°C (70.5°F) in August to a refreshing 17.7°C (63.9°F). September nights reveal a minor deviation from daytime highs, with a mean low-temperature of 13.4°C (56.1°F).Humidity
In Grębowo, Poland, the average relative humidity in September is 76%.Rainfall
In Grębowo, during September, the rain falls for 10.1 days and regularly aggregates up to 19mm (0.75") of precipitation. In Grębowo, during the entire year, the rain falls for 140.2 days and collects up to 279mm (10.98") of precipitation.Snowfall
May through October are months without snowfall in Grębowo.Daylight
In September, the average length of the day is 12h and 41min.On the first day of the month, sunrise is at 06:09 and sunset at 19:50. On the last day of September, sunrise is at 07:01 and sunset at 18:39 CEST.
Sunshine
In September, the average sunshine in Grębowo is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grębowo in September?
What is the average humidity in September in Grębowo?
How many days does it rain in September in Grębowo?
When it does not snow in Grębowo?
How many hours of daylight does Grębowo have in September?
When is the sunrise / sunset in September in Grębowo?
How many hours of sunshine does Grębowo have in September?
What is the UV index intensity in September in Grębowo?
Average temperature in September
Grębowo, Poland
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is August (21.4°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is August (16.6°C).
The coldest months (with the lowest average low temperature) are January and February (-0.3°C).
Average pressure in September
Grębowo, Poland
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in September
Grębowo, Poland
- Average wind speed in September: 18.9km/h
The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is August (16.7km/h).
Average humidity in September
Grębowo, Poland
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Grębowo, Poland
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is August (40mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Grębowo, Poland
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in September
Grębowo, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Grębowo, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Grębowo, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Grębowo, Poland
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is April (17.7 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in September
Grębowo, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Grębowo, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Grębowo, Poland
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
