September weather forecastGrochowe, Poland
September
Weather in September
September, the first month of the autumn in Grochowe, is still a refreshing month, with an average temperature fluctuating between 10.8°C (51.4°F) and 19.9°C (67.8°F).Temperature
The beginning of September involves a decrease in the average high-temperature, transitioning from a moderately hot 25.6°C (78.1°F) in August to an enjoyable 19.9°C (67.8°F). In the month of September, the average low-temperature usually rests at a fresh 10.8°C (51.4°F).Humidity
In September, the average relative humidity is 73%.Rainfall
In Grochowe, during September, the rain falls for 10.5 days and regularly aggregates up to 19mm (0.75") of precipitation. In Grochowe, during the entire year, the rain falls for 133.5 days and collects up to 292mm (11.5") of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Grochowe, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 05:49 and sunset at 19:18. On the last day of September, sunrise is at 06:33 and sunset at 18:14 CEST.
Sunshine
The average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grochowe, Poland
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (0.2°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (-3.7°C).
Average pressure in September
Grochowe, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1019mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in September
Grochowe, Poland
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Grochowe, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Grochowe, Poland
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is March (14mm).
Average rainfall days in September
Grochowe, Poland
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Grochowe, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Grochowe, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.6 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
Grochowe, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).
Average sunshine days in September
Grochowe, Poland
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Grochowe, Poland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Grochowe, Poland
- Average cloud cover in September: 38
The months with the most cloud cover are January and February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Grochowe, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).





