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 onset of September introduces a moderate change in Ossy's weather, with average high-temperatures falling from August's moderately hot 24.9°C (76.8°F) to a refreshing 19.1°C (66.4°F). Ossy usually reports an average low-temperature of 11.2°C (52.2°F) during the month of September.Humidity
The average relative humidity in September is 72%.Rainfall
In Ossy, in September, during 14.2 rainfall days, 50mm (1.97") of precipitation is typically accumulated. Throughout the year, in Ossy, there are 174.2 rainfall days, and 581mm (22.87") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Ossy.Daylight
In Ossy, Poland, the average length of the day in September is 12h and 37min.On the first day of September in Ossy, sunrise is at 05:59 and sunset at 19:28. On the last day of the month, sunrise is at 06:43 and sunset at 18:24 CEST.
Sunshine
In September, the average sunshine in Ossy is 8.3h.UV index
In September, the average daily maximum UV index in Ossy is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ossy in September?
What is the average humidity in September in Ossy?
How many days does it rain in September in Ossy?
When it does not snow in Ossy?
Does it snow in Ossy in September?
What is the average length of the day in September in Ossy?
When is the sunrise / sunset in September in Ossy?
How long on average sun shines in September in Ossy?
What is the UV index reading in September in Ossy?
Average temperature in September
Ossy, Poland
- Average high temperature in September: 19.1°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 (0.1°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Ossy, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).
Average wind speed in September
Ossy, Poland
- Average wind speed in September: 11.1km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in September
Ossy, 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
Ossy, Poland
- Average rainfall in September: 50mm
The wettest month (with the highest rainfall) is July (79mm).
The driest month (with the least rainfall) is November (28mm).
Average rainfall days in September
Ossy, Poland
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is June (21.1 days).
The month with the least rainy days is January (8.5 days).
Average snowfall in September
Ossy, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (198mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ossy, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ossy, Poland
- Average daylight in September: 12h and 4min
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 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 3h and 6min).
Average sunshine days in September
Ossy, Poland
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is October (14.9 days).
The month with the least sunshine days is June (6.6 days).
Average UV index in September
Ossy, 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 November and December (UV index 1).
Average cloud cover in September
Ossy, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Ossy, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).
