September weather forecast
Kartuzy, Poland

September

Weather in September

September, the first month of the autumn in Kartuzy, is still a comfortable month, with an average temperature ranging between min 11.4°C (52.5°F) and max 17.8°C (64°F).

Temperature

Kartuzy's weather subtly changes with the onset of September, barely falling from a pleasant 22.5°C (72.5°F) in August to an enjoyable 17.8°C (64°F). Kartuzy experiences a steady low-temperature of 11.4°C (52.5°F) throughout September.

Humidity

In September, the average relative humidity in Kartuzy is 75%.

Rainfall

In Kartuzy, in September, it is raining for 15.7 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, there are 172.5 rainfall days, and 497mm (19.57") of precipitation is accumulated.

Snowfall

In Kartuzy, snow does not fall in June through September.

Daylight

In Kartuzy, the average length of the day in September is 12h and 42min.
On the first day of September in Kartuzy, sunrise is at 05:55 and sunset at 19:38. On the last day of the month, sunrise is at 06:48 and sunset at 18:25 CEST.

Sunshine

In Kartuzy, Poland, the average sunshine in September is 8h.

UV index

In Kartuzy, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

What are September temperatures in Kartuzy?
During September, Kartuzy experiences an average high-temperature of 17.8°C (64°F) and a low-temperature of 11.4°C (52.5°F).
What is the average humidity in September in Kartuzy?
In September, the average relative humidity in Kartuzy is 75%.
How many days does it rain in September in Kartuzy?
In Kartuzy, during September, the rain falls for 15.7 days and regularly aggregates up to 38mm (1.5") of precipitation.
When it does not snow in Kartuzy?
In Kartuzy, snow does not fall in June through September.
Does it snow in Kartuzy in September?
In Kartuzy, Poland, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Kartuzy?
The average day length in September in Kartuzy is 12h and 42min.
What time are sunrise and sunset in September in Kartuzy?
On the first day of September in Kartuzy, Poland, sunrise is at 05:55 and sunset at 19:38. On the last day of the month, sunrise is at 06:48 and sunset at 18:25 CEST.
How many hours of sunshine does Kartuzy have in September?
The average sunshine duration in September in Kartuzy, Poland, is 8h.
How high is the UV index in September in Kartuzy?
In Kartuzy, Poland, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Kartuzy, Poland
Average temperature in September
Kartuzy, Poland
  • Average high temperature in September: 17.8°C

The warmest month (with the highest average high temperature) is August (22.5°C).
The month with the lowest average high temperature is January (0.6°C).

  • Average low temperature in September: 11.4°C

The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).

Average pressure in September - Kartuzy, Poland
Average pressure in September
Kartuzy, Poland
  • Average pressure in September: 1016.2mbar

The month with the highest atmospheric pressure is October (1016.6mbar).
The months with the lowest atmospheric pressure are July and December (1013.2mbar).

Average wind speed in September - Kartuzy, Poland
Average wind speed in September
Kartuzy, Poland
  • Average wind speed in September: 13.8km/h

The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).

Average humidity in September - Kartuzy, Poland
Average humidity in September
Kartuzy, Poland
  • Average humidity in September: 75%

The months with the highest relative humidity are January, February and December (87%).
The month with the lowest relative humidity is April (71%).

Average rainfall in September - Kartuzy, Poland
Average rainfall in September
Kartuzy, Poland
  • Average rainfall in September: 38mm

The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is April (20mm).

Average rainfall days in September - Kartuzy, Poland
Average rainfall days in September
Kartuzy, Poland
  • Average rainfall days in September: 15.7 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (8.9 days).

Average snowfall in September - Kartuzy, Poland
Average snowfall in September
Kartuzy, Poland
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (128mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - Kartuzy, Poland
Average snowfall days in September
Kartuzy, Poland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Kartuzy, Poland
Average daylight in September /
Average sunshine in September
Kartuzy, Poland
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).

Average sunshine days in September - Kartuzy, Poland
Average sunshine days in September
Kartuzy, Poland
  • Average sunshine days in September: 11.7 days

The month with the most sunshine days is April (15 days).
The month with the least sunshine days is December (7.5 days).

Average UV index in September - Kartuzy, Poland
Average UV index in September
Kartuzy, Poland
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in September - Kartuzy, Poland
Average cloud cover in September
Kartuzy, Poland
  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September - Kartuzy, Poland
Average visibility in September
Kartuzy, Poland
  • Average visibility in September: 10km

The months with the highest visibility are June, August and September (10km).
The months with the lowest visibility are January and February (8km).

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