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 commencement of September indicates a shift in the average high-temperature, receding from August's moderately hot 24.5°C (76.1°F) to a refreshing 19.1°C (66.4°F). Grochowalsk, during the month of September, experiences an average low-temperature of 10.9°C (51.6°F).Humidity
In September, the average relative humidity in Grochowalsk is 72%.Rainfall
In Grochowalsk, during September, the rain falls for 10.1 days and regularly aggregates up to 20mm (0.79") of precipitation. In Grochowalsk, during the entire year, the rain falls for 142.7 days and collects up to 343mm (13.5") of precipitation.Snowfall
June through September are months without snowfall in Grochowalsk.Daylight
The average length of the day in September in Grochowalsk is 12h and 40min.On the first day of September, sunrise is at 05:54 and sunset at 19:31. On the last day of the month, sunrise is at 06:43 and sunset at 18:22 CEST.
Sunshine
In Grochowalsk, the average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Grochowalsk in September?
What is the average humidity in September in Grochowalsk?
How much does it rain in Grochowalsk in September?
When it does not snow in Grochowalsk?
Does it snow in Grochowalsk in September?
How many hours of daylight does Grochowalsk have in September?
When are sunrise and sunset in September in Grochowalsk?
How long on average sun shines in September in Grochowalsk?
What is the UV index intensity in September in Grochowalsk?
Average temperature in September
Grochowalsk, Poland
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Grochowalsk, Poland
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Grochowalsk, Poland
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (15.4km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Grochowalsk, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Grochowalsk, Poland
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is May (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Grochowalsk, Poland
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in September
Grochowalsk, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grochowalsk, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grochowalsk, Poland
- Average daylight in September: 12h and 4min
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: 8h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Grochowalsk, Poland
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Grochowalsk, Poland
- Average UV index in September: 4
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
Grochowalsk, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Grochowalsk, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).
