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
During the transition into September, Gassy observes a decrease in the average high-temperature, falling from a warm 24.9°C (76.8°F) in August to a comfortable 18.9°C (66°F). The average temperature during September nights dips to a cool 10.5°C (50.9°F).Humidity
In September, the average relative humidity is 73%.Rainfall
In September, the rain falls for 8.2 days. Throughout September, 19mm (0.75") of precipitation is accumulated. Throughout the year, in Gassy, Poland, there are 109.2 rainfall days, and 279mm (10.98") of precipitation is accumulated.Snowfall
In Gassy, snow does not fall in May through September.Daylight
In Gassy, Poland, the average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 05:47 and sunset at 19:22. On the last day of September, in Gassy, sunrise is at 06:35 and sunset at 18:14 CEST.
Sunshine
The average sunshine in September is 8h.UV index
The average daily maximum UV index in September in Gassy, Poland, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Act with care - The need to guard against sun damage is communicated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Gassy in September?
What is the average humidity in September in Gassy?
How much does it rain in Gassy in September?
When it does not snow in Gassy?
Does it snow in Gassy in September?
What is the average length of the day in September in Gassy?
When is the sunrise / sunset in September in Gassy?
How many hours of sunshine does Gassy have in September?
What is the UV index reading in September in Gassy?
Average temperature in September
Gassy, Poland
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in September: 10.5°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 (-4°C).
Average pressure in September
Gassy, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Gassy, Poland
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Gassy, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Gassy, Poland
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is May (41mm).
The driest months (with the least rainfall) are April and November (14mm).
Average rainfall days in September
Gassy, Poland
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Gassy, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (80mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Gassy, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.2 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
Gassy, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Gassy, Poland
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is October (21.7 days).
The month with the least sunshine days is February (14.6 days).
Average UV index in September
Gassy, Poland
- Average UV index in September: 3
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
Gassy, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Gassy, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January and February (7km).
