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
Weather in September
Temperature
The shift from August to September corresponds with a decrease in the average high-temperature, down to a refreshing 18.4°C (65.1°F) from a warm 24.1°C (75.4°F). Throughout September, the average low-temperature records at a chilly 9.7°C (49.5°F).Humidity
In September, the average relative humidity is 75%.Rainfall
In Ciechanowiec, in September, it is raining for 12.6 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, in Ciechanowiec, there are 163.9 rainfall days, and 512mm (20.16") of precipitation is accumulated.Snowfall
In Ciechanowiec, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 40min.On the first day of September in Ciechanowiec, sunrise is at 05:41 and sunset at 19:18. On the last day of the month, sunrise is at 06:30 and sunset at 18:09 CEST.
Sunshine
In September, the average sunshine in Ciechanowiec is 7.6h.UV index
The average daily maximum UV index in September in Ciechanowiec is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the usual temperature for Ciechanowiec in September?
What is the average humidity in September in Ciechanowiec?
How many days does it rain in September in Ciechanowiec?
When it does not snow in Ciechanowiec?
Does it snow in Ciechanowiec in September?
What is the average length of the day in September in Ciechanowiec?
When are sunrise and sunset in September in Ciechanowiec?
How many hours of sunshine does Ciechanowiec have in September?
What is the UV index reading in September in Ciechanowiec?
Average temperature in September
Ciechanowiec, Poland
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).
Average pressure in September
Ciechanowiec, Poland
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in September
Ciechanowiec, Poland
- Average wind speed in September: 11.8km/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 (10.2km/h).
Average humidity in September
Ciechanowiec, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in September
Ciechanowiec, Poland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Ciechanowiec, Poland
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in September
Ciechanowiec, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (187mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Ciechanowiec, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ciechanowiec, Poland
- Average daylight in September: 12h and 4min
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 42min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).
Average sunshine days in September
Ciechanowiec, Poland
- Average sunshine days in September: 14 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is January (6.4 days).
Average UV index in September
Ciechanowiec, 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
Ciechanowiec, 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 33).
Average visibility in September
Ciechanowiec, 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).
Ciechanowiec, Poland
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