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 warm 24.2°C (75.6°F) in August to a refreshing 18.7°C (65.7°F). In September, Świercze-Siółki's temperature tends to fall to an average low of 10.3°C (50.5°F) during the night.Humidity
In September, the average relative humidity in Świercze-Siółki is 73%.Rainfall
In September, the rain falls for 10.3 days. Throughout September, 26mm (1.02") of precipitation is accumulated. In Świercze-Siółki, during the entire year, the rain falls for 135.2 days and collects up to 349mm (13.74") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 40min.On the first day of the month, sunrise is at 05:48 and sunset at 19:25. On the last day of September, in Świercze-Siółki, sunrise is at 06:37 and sunset at 18:16 CEST.
Sunshine
In Świercze-Siółki, the average sunshine in September is 7.9h.UV index
In September, the average daily maximum UV index in Świercze-Siółki is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the temperature in September in Świercze-Siółki?
What is the average humidity in September in Świercze-Siółki?
How many days does it rain in September in Świercze-Siółki?
When it does not snow in Świercze-Siółki?
Does it snow in Świercze-Siółki in September?
What is the average length of the day in September in Świercze-Siółki?
When is the sunrise / sunset in September in Świercze-Siółki?
How many hours of sunshine does Świercze-Siółki have in September?
How high is the UV index in September in Świercze-Siółki?
Average temperature in September
Świercze-Siółki, Poland
- Average high temperature in September: 18.7°C
The warmest months (with the highest average high temperature) are July and August (24.2°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in September
Świercze-Siółki, Poland
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is October (1017.8mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
Świercze-Siółki, 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 (10km/h).
Average humidity in September
Świercze-Siółki, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Świercze-Siółki, Poland
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is May (46mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Świercze-Siółki, Poland
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
Świercze-Siółki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (108mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Świercze-Siółki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Świercze-Siółki, 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 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Świercze-Siółki, Poland
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (11.1 days).
Average UV index in September
Świercze-Siółki, Poland
- Average UV index in September: 3
The months with the highest UV index are 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
Świercze-Siółki, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Świercze-Siółki, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (6km).
Świercze-Siółki, Poland
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