September weather forecastOpaka Duża, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Opaka Duża, Poland, with an average temperature ranging between min 9.9°C (49.8°F) and max 18.4°C (65.1°F).Temperature
A decrease in the average high-temperature is observed during September, shifting from a warm 24.2°C (75.6°F) in August to a refreshing 18.4°C (65.1°F). In Opaka Duża, September is marked by an average low-temperature of 9.9°C (49.8°F).Humidity
The average relative humidity in September in Opaka Duża is 75%.Rainfall
In Opaka Duża, in September, it is raining for 13.1 days, with typically 36mm (1.42") of accumulated precipitation. In Opaka Duża, during the entire year, the rain falls for 163.1 days and collects up to 492mm (19.37") of precipitation.Snowfall
In Opaka Duża, snow does not fall in June through September.Daylight
In September, the average length of the day in Opaka Duża is 12h and 40min.On the first day of the month, sunrise is at 06:38 and sunset at 20:14. On the last day of September, in Opaka Duża, sunrise is at 07:26 and sunset at 19:05 +03.
Sunshine
The average sunshine in September in Opaka Duża is 7.3h.UV index
In Opaka Duża, the average daily maximum UV index in September is 3. 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: A maximum high daily UV index of 3 during September translates into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. 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
Average temperature in September
Opaka Duża, Poland
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in September
Opaka Duża, Poland
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is October (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
Opaka Duża, Poland
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is December (15km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Opaka Duża, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in September
Opaka Duża, Poland
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is May (72mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days in September
Opaka Duża, Poland
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in September
Opaka Duża, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (173mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Opaka Duża, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Opaka Duża, Poland
- Average daylight in September: 12h and 42min
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 48min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in September
Opaka Duża, Poland
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (15.2 days).
The month with the least sunshine days is January (7.2 days).
Average UV index in September
Opaka Duża, 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, February, November and December (UV index 1).
Average cloud cover in September
Opaka Duża, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Opaka Duża, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).





