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
A moderate decline in the average high-temperature is seen during September, decreasing from a moderately hot 23.9°C (75°F) in August to a comfortable 18.2°C (64.8°F). In Holiki, the expected average low-temperature for September is a chilly 9.4°C (48.9°F).Humidity
In September, the average relative humidity is 77%.Rainfall
In Holiki, in September, during 13.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, there are 156.6 rainfall days, and 459mm (18.07") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 41min.On the first day of the month, sunrise is at 05:36 and sunset at 19:16. On the last day of September, in Holiki, sunrise is at 06:27 and sunset at 18:05 CEST.
Sunshine
In September, the average sunshine is 7.2h.UV index
In Holiki, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 suggests this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the average September temperature in Holiki?
What is the average humidity in September in Holiki?
How many days does it rain in September in Holiki?
When it does not snow in Holiki?
Does it snow in Holiki in September?
What is the average length of the day in September in Holiki?
What time are sunrise and sunset in September in Holiki?
How many hours of sunshine does Holiki have in September?
What is the UV index reading in September in Holiki?
Average temperature in September
Holiki, Poland
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is January (-5.4°C).
Average pressure in September
Holiki, Poland
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013mbar).
Average wind speed in September
Holiki, Poland
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Holiki, Poland
- Average humidity in September: 77%
The month with the highest relative humidity is January (93%).
The months with the lowest relative humidity are April and August (71%).
Average rainfall in September
Holiki, Poland
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is June (59mm).
The driest months (with the least rainfall) are February and April (25mm).
Average rainfall days in September
Holiki, Poland
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (19.9 days).
The months with the least rainy days are January and February (7.5 days).
Average snowfall in September
Holiki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (155mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Holiki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holiki, 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: 7h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in September
Holiki, Poland
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (16.3 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in September
Holiki, 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
Holiki, Poland
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 80).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Holiki, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August and September (9km).
The month with the lowest visibility is January (6km).
Holiki, Poland
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