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 brings a decrease in the average high-temperature, shifting from a warm 24.7°C (76.5°F) in August to a comfortable 19.2°C (66.6°F). During September, Świszewy records a consistent average nighttime temperature of 11°C (51.8°F).Humidity
The average relative humidity in September is 71%.Rainfall
In Świszewy, in September, it is raining for 11.5 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, in Świszewy, there are 137.4 rainfall days, and 321mm (12.64") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Świszewy.Daylight
The average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 05:57 and sunset at 19:32. On the last day of the month, sunrise is at 06:45 and sunset at 18:24 CEST.
Sunshine
In September, the average sunshine in Świszewy is 8.3h.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 exposure to the Sun's UV rays for the average person.Note: In September, a daily UV index of 4 turns into the following recommendations:
Act with care - The need to guard against sun damage is communicated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What are September temperatures in Świszewy?
What is the average humidity in September in Świszewy?
How much does it rain in Świszewy in September?
When it does not snow in Świszewy?
Does it snow in Świszewy in September?
How many hours of daylight does Świszewy have in September?
When are sunrise and sunset in September in Świszewy?
How many hours of sunshine does Świszewy have in September?
What is the UV index intensity in September in Świszewy?
Average temperature in September
Świszewy, Poland
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (0.4°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Świszewy, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in September
Świszewy, Poland
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Świszewy, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Świszewy, Poland
- Average rainfall in September: 24mm
The wettest months (with the highest rainfall) are June and July (46mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Świszewy, Poland
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Świszewy, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (49mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Świszewy, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Świszewy, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Świszewy, Poland
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (18.8 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Świszewy, Poland
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Świszewy, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Świszewy, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).
Świszewy, Poland
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