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
September weather is marked by a drop in the average high-temperature, falling from a warm 24.9°C (76.8°F) in August to a comfortable 19.4°C (66.9°F). Throughout September, an average low-temperature of 10.1°C (50.2°F) is expected in Słomniki.Humidity
In Słomniki, Poland, the average relative humidity in September is 74%.Rainfall
In Słomniki, in September, it is raining for 10.2 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 123.2 rainfall days, and 368mm (14.49") of precipitation is accumulated.Snowfall
In Słomniki, snow does not fall in June through September.Daylight
In Słomniki, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 05:55 and sunset at 19:23. On the last day of the month, sunrise is at 06:39 and sunset at 18:19 CEST.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
What is the average September temperature in Słomniki?
What is the average humidity in September in Słomniki?
How much does it rain in Słomniki in September?
When it does not snow in Słomniki?
Does it snow in Słomniki in September?
What is the average length of the day in September in Słomniki?
What time are sunrise and sunset in September in Słomniki?
How many hours of sunshine does Słomniki have in September?
How high is the UV index in September in Słomniki?
Average temperature in September
Słomniki, Poland
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Słomniki, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.8mbar).
The months with the lowest atmospheric pressure are June and July (1014.5mbar).
Average wind speed in September
Słomniki, Poland
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is March (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Słomniki, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Słomniki, Poland
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is May (65mm).
The driest months (with the least rainfall) are January and March (14mm).
Average rainfall days in September
Słomniki, Poland
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is June (17.6 days).
The month with the least rainy days is January (3.9 days).
Average snowfall in September
Słomniki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Słomniki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Słomniki, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
Słomniki, Poland
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is June (10.4 days).
Average UV index in September
Słomniki, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Słomniki, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Słomniki, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
Słomniki, Poland
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