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
Weather in September
Temperature
September comes with a decrease in the average high-temperature, falling from an agreeable 21.3°C (70.3°F) in August to a refreshing 16.2°C (61.2°F). Gronków in September anticipates an average nighttime temperature of 6.8°C (44.2°F).Humidity
In September, the average relative humidity in Gronków, Poland, is 80%.Rainfall
In Gronków, Poland, in September, it is raining for 14.9 days, with typically 50mm (1.97") of accumulated precipitation. In Gronków, during the entire year, the rain falls for 151.1 days and collects up to 724mm (28.5") of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Gronków. Throughout September, in the average 0.5 snowfall days, it receives 1mm (0.04") of snow. In Gronków, during the entire year, snow falls for 68.3 days and aggregates up to 1350mm (53.15") of snow.Daylight
The average length of the day in September in Gronków is 12h and 36min.On the first day of September in Gronków, sunrise is at 05:56 and sunset at 19:22. On the last day of the month, sunrise is at 06:38 and sunset at 18:20 CEST.
Sunshine
In Gronków, Poland, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What is the average September temperature in Gronków?
What is the average humidity in September in Gronków?
How many days does it rain in September in Gronków?
When does it start snowing in Gronków?
What is the average length of the day in September in Gronków?
When is the sunrise / sunset in September in Gronków?
How long on average sun shines in September in Gronków?
What is the UV index reading in September in Gronków?
Average temperature in September
Gronków, Poland
- Average high temperature in September: 16.2°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in September: 6.8°C
The month with the highest average low temperature is August (10.3°C).
The coldest month (with the lowest average low temperature) is January (-7.4°C).
Average pressure in September
Gronków, Poland
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is December (1019.3mbar).
The months with the lowest atmospheric pressure are June and July (1014.4mbar).
Average wind speed in September
Gronków, Poland
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is December (9.9km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).
Average humidity in September
Gronków, Poland
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Gronków, Poland
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is May (120mm).
The driest month (with the least rainfall) is January (32mm).
Average rainfall days in September
Gronków, Poland
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is June (23.6 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in September
Gronków, Poland
- Average snowfall in September: 1mm
The month with the highest snowfall is December (350mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Gronków, Poland
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is February (14 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Gronków, 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 18min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 24min).
Average sunshine days in September
Gronków, Poland
- Average sunshine days in September: 13.7 days
The months with the most sunshine days are October and November (17.5 days).
The month with the least sunshine days is June (4.9 days).
Average UV index in September
Gronków, Poland
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Gronków, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Gronków, Poland
- Average visibility in September: 8km
The months with the highest visibility are July and August (9km).
The months with the lowest visibility are January and February (6km).
Gronków, Poland
Weather forecast for your location
2. Allow the app to use your location
