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
Opalenie observes a minor decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 23.9°C (75°F) to a comfortable 18.9°C (66°F). Opalenie records a consistent low-temperature of 10.6°C (51.1°F) during September nights.Humidity
In Opalenie, the average relative humidity in September is 73%.Rainfall
In September, the rain falls for 8.3 days. Throughout September, 20mm (0.79") of precipitation is accumulated. In Opalenie, Poland, during the entire year, the rain falls for 124.3 days and collects up to 298mm (11.73") of precipitation.Snowfall
June through October are months without snowfall in Opalenie.Daylight
The average length of the day in September is 12h and 41min.On the first day of September, sunrise is at 05:54 and sunset at 19:34. On the last day of the month, sunrise is at 06:45 and sunset at 18:23 CEST.
Sunshine
In September, the average sunshine in Opalenie, Poland, is 8.2h.UV index
The average daily maximum UV index in September in Opalenie is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Opalenie in September?
What is the average humidity in September in Opalenie?
How much does it rain in Opalenie in September?
When it does not snow in Opalenie?
What is the average length of the day in September in Opalenie?
When is the sunrise / sunset in September in Opalenie?
How many hours of sunshine does Opalenie have in September?
What is the UV index intensity in September in Opalenie?
Average temperature in September
Opalenie, Poland
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Opalenie, Poland
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is October (1017.1mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
Opalenie, Poland
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Opalenie, 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 (68%).
Average rainfall in September
Opalenie, Poland
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Opalenie, Poland
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is July (14.7 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in September
Opalenie, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (74mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Opalenie, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Opalenie, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 30min).
- 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: 3h and 0min).
Average sunshine days in September
Opalenie, Poland
- Average sunshine days in September: 19.8 days
The month with the most sunshine days is October (20.3 days).
The month with the least sunshine days is February (13 days).
Average UV index in September
Opalenie, Poland
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Opalenie, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Opalenie, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
