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
Transition from August to September is accompanied by a temperature drop, with average high-temperatures decreasing from a warm 25.5°C (77.9°F) to a refreshing 19.2°C (66.6°F). In Grabnowola, September is marked by an average low-temperature of 10.8°C (51.4°F).Humidity
The average relative humidity in September in Grabnowola is 72%.Rainfall
In Grabnowola, in September, it is raining for 12 days, with typically 34mm (1.34") of accumulated precipitation. In Grabnowola, during the entire year, the rain falls for 144.9 days and collects up to 428mm (16.85") of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September in Grabnowola is 12h and 39min.On the first day of the month, sunrise is at 05:47 and sunset at 19:21. On the last day of September, sunrise is at 06:34 and sunset at 18:14 CEST.
Sunshine
In Grabnowola, the average sunshine in September is 7.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Grabnowola in September?
What is the average humidity in September in Grabnowola?
How many days does it rain in September in Grabnowola?
When it does not snow in Grabnowola?
Does it snow in Grabnowola in September?
How many hours of daylight does Grabnowola have in September?
What time are sunrise and sunset in September in Grabnowola?
How long on average sun shines in September in Grabnowola?
How high is the UV index in September in Grabnowola?
Average temperature in September
Grabnowola, Poland
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (25.5°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in September: 10.8°C
The months with the highest average low temperature are July and August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Grabnowola, Poland
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is October (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in September
Grabnowola, Poland
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is December (12.8km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Grabnowola, 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
Grabnowola, Poland
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is May (64mm).
The driest month (with the least rainfall) is November (23mm).
Average rainfall days in September
Grabnowola, Poland
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in September
Grabnowola, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (125mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Grabnowola, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.9 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
Grabnowola, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Grabnowola, Poland
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in September
Grabnowola, Poland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Grabnowola, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Grabnowola, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
