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
As September begins, there is a decrease in the average high-temperature, falling from a warm 24.2°C (75.6°F) in August to a comfortable 19.1°C (66.4°F). Kosztowo witnesses an average low-temperature of 10.7°C (51.3°F) throughout the month of September.Humidity
In September, the average relative humidity in Kosztowo is 74%.Rainfall
In Kosztowo, in September, it is raining for 9.1 days, with typically 23mm (0.91") of accumulated precipitation. Throughout the year, there are 132.7 rainfall days, and 337mm (13.27") of precipitation is accumulated.Snowfall
In Kosztowo, snow does not fall in May through October.Daylight
In Kosztowo, the average length of the day in September is 12h and 41min.On the first day of September, sunrise is at 06:01 and sunset at 19:40. On the last day of the month, sunrise is at 06:51 and sunset at 18:30 CEST.
Sunshine
The average sunshine in September is 8.5h.UV index
In Kosztowo, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the usual temperature for Kosztowo in September?
What is the average humidity in September in Kosztowo?
How much does it rain in Kosztowo in September?
When it does not snow in Kosztowo?
What is the average length of the day in September in Kosztowo?
When are sunrise and sunset in September in Kosztowo?
How many hours of sunshine does Kosztowo have in September?
How high is the UV index in September in Kosztowo?
Average temperature in September
Kosztowo, Poland
- Average high temperature in September: 19.1°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 (0.6°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in September
Kosztowo, Poland
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is October (1017.1mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in September
Kosztowo, Poland
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Kosztowo, Poland
- Average humidity in September: 74%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April and August (68%).
Average rainfall in September
Kosztowo, Poland
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Kosztowo, Poland
- Average rainfall days in September: 9.1 days
The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (7.9 days).
Average snowfall in September
Kosztowo, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (65mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Kosztowo, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kosztowo, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Kosztowo, Poland
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in September
Kosztowo, 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, November and December (UV index 1).
Average cloud cover in September
Kosztowo, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Kosztowo, Poland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, November and December (8km).
Kosztowo, Poland
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