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 arrival of September corresponds with a shift in temperature, down from a moderately hot 24.9°C (76.8°F) in August to a comfortable 19°C (66.2°F). During September, Łomianki Dolne records a consistent average nighttime temperature of 10.9°C (51.6°F).Humidity
In September, the average relative humidity in Łomianki Dolne is 72%.Rainfall
In Łomianki Dolne, in September, during 9 rainfall days, 26mm (1.02") of precipitation is typically accumulated. In Łomianki Dolne, during the entire year, the rain falls for 122.8 days and collects up to 300mm (11.81") of precipitation.Snowfall
June through September are months without snowfall in Łomianki Dolne.Daylight
In Łomianki Dolne, the average length of the day in September is 12h and 40min.On the first day of September in Łomianki Dolne, sunrise is at 05:48 and sunset at 19:24. On the last day of the month, sunrise is at 06:36 and sunset at 18:15 CEST.
Sunshine
In Łomianki Dolne, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Frequently asked questions
What are the temperatures in Łomianki Dolne in September?
What is the average humidity in September in Łomianki Dolne?
How much does it rain in Łomianki Dolne in September?
When it does not snow in Łomianki Dolne?
Does it snow in Łomianki Dolne in September?
What is the average length of the day in September in Łomianki Dolne?
What time are sunrise and sunset in September in Łomianki Dolne?
How long on average sun shines in September in Łomianki Dolne?
What is the UV index intensity in September in Łomianki Dolne?
Average temperature in September
Łomianki Dolne, Poland
- Average high temperature in September: 19°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: 10.9°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Łomianki Dolne, Poland
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Łomianki Dolne, Poland
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Łomianki Dolne, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Łomianki Dolne, Poland
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is May (47mm).
The driest months (with the least rainfall) are April and November (15mm).
Average rainfall days in September
Łomianki Dolne, Poland
- Average rainfall days in September: 9 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Łomianki Dolne, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (80mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Łomianki Dolne, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Łomianki Dolne, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Łomianki Dolne, Poland
- Average sunshine days in September: 19 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is February (14.2 days).
Average UV index in September
Łomianki Dolne, Poland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Łomianki Dolne, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Łomianki Dolne, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).
Łomianki Dolne, Poland
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