September weather forecastGrabnica, Poland
September weather for Grabnica, Poland: On the first day of September in Grabnica, Poland, sunrise is at 06:08 and sunset at 19:47. September, the first month of the autumn in Grabnica, is still a comfortable month, with an average temperature varying between 10.6°C (51.1°F) and 19.1°C (66.4°F).
September
Weather in September
September, the first month of the autumn in Grabnica, is still a comfortable month, with an average temperature varying between 10.6°C (51.1°F) and 19.1°C (66.4°F).Temperature
The move into September indicates a reduction in the average high-temperature, down from August's warm 24.1°C (75.4°F) to an enjoyable 19.1°C (66.4°F). In the month of September, an average of 10.6°C (51.1°F) marks the low-temperature.Humidity
In Grabnica, Poland, the average relative humidity in September is 75%.Rainfall
In September, the rain falls for 10.5 days. Throughout September, 24mm (0.94") of precipitation is accumulated. In Grabnica, Poland, during the entire year, the rain falls for 154.5 days and collects up to 385mm (15.16") of precipitation.Snowfall
May through October are months without snowfall in Grabnica.Daylight
In Grabnica, the average length of the day in September is 12h and 41min.On the first day of September in Grabnica, sunrise is at 06:08 and sunset at 19:47. On the last day of the month, sunrise is at 06:58 and sunset at 18:36 CEST.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Grabnica, Poland, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grabnica, Poland
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in September
Grabnica, Poland
- Average pressure in September: 1016.7mbar
The months with the highest atmospheric pressure are September and October (1016.7mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in September
Grabnica, Poland
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (14.3km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Grabnica, Poland
- Average humidity in September: 75%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in September
Grabnica, Poland
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Grabnica, Poland
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is February (10.2 days).
Average snowfall in September
Grabnica, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (50mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Grabnica, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 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
Grabnica, Poland
- Average daylight in September: 12h and 42min
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 36min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Grabnica, Poland
- Average sunshine days in September: 17.1 days
The months with the most sunshine days are September and October (17.1 days).
The month with the least sunshine days is July (12 days).
Average UV index in September
Grabnica, Poland
- Average UV index in September: 4
The months with the highest UV index are May, 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
Grabnica, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Grabnica, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
