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
Onset of September witnesses a reduction in the average high-temperature, falling from a moderately hot 24.3°C (75.7°F) in August to an enjoyable 18.8°C (65.8°F). An average low-temperature of 10.1°C (50.2°F) is observed in Ćmińsk during the September nights.Humidity
In Ćmińsk, the average relative humidity in September is 75%.Rainfall
In Ćmińsk, in September, during 13.5 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, there are 158.9 rainfall days, and 516mm (20.31") of precipitation is accumulated.Snowfall
In Ćmińsk, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 05:52 and sunset at 19:23. On the last day of September, sunrise is at 06:37 and sunset at 18:17 CEST.
Sunshine
In Ćmińsk, the average sunshine in September is 8h.UV index
In Ćmińsk, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Ćmińsk in September?
What is the average humidity in September in Ćmińsk?
How much does it rain in Ćmińsk in September?
When it does not snow in Ćmińsk?
Does it snow in Ćmińsk in September?
What is the average length of the day in September in Ćmińsk?
When are sunrise and sunset in September in Ćmińsk?
How long on average sun shines in September in Ćmińsk?
What is the UV index reading in September in Ćmińsk?
Average temperature in September
Ćmińsk, Poland
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in September: 10.1°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 (-4.3°C).
Average pressure in September
Ćmińsk, Poland
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.2mbar).
Average wind speed in September
Ćmińsk, Poland
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Ćmińsk, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in September
Ćmińsk, Poland
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (27mm).
Average rainfall days in September
Ćmińsk, Poland
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Ćmińsk, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (162mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Ćmińsk, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ćmińsk, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 0min
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: 2h and 54min).
Average sunshine days in September
Ćmińsk, Poland
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Ćmińsk, Poland
- Average UV index in September: 3
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
Ćmińsk, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Ćmińsk, 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).
