September weather forecastTromity, Poland

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Tromity, Poland, with an average temperature ranging between max 18.2°C (64.8°F) and min 9.5°C (49.1°F).

Temperature

September's arrival correlates with a reduction in the average high-temperature, down from a moderately hot 23.5°C (74.3°F) in August to an enjoyable 18.2°C (64.8°F). Throughout the month of September, Tromity sees a steady low-temperature average of 9.5°C (49.1°F).

Humidity

In Tromity, the average relative humidity in September is 77%.

Rainfall

In Tromity, in September, during 12.8 rainfall days, 28mm (1.1") of precipitation is typically accumulated. Throughout the year, in Tromity, there are 154.2 rainfall days, and 430mm (16.93") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Tromity, Poland.

Daylight

In September, the average length of the day in Tromity is 12h and 42min.
On the first day of the month, sunrise is at 05:45 and sunset at 19:27. On the last day of September, sunrise is at 06:37 and sunset at 18:14 CEST.

Sunshine

The average sunshine in September in Tromity is 7.6h.

UV index

In Tromity, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 3 in September translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.

Frequently asked questions

In Tromity, 18.2°C (64.8°F) is the average high-temperature and 9.5°C (49.1°F) is the average low-temperature during September.

In Tromity, Poland, the average relative humidity in September is 77%.

In Tromity, during September, the rain falls for 12.8 days and regularly aggregates up to 28mm (1.1") of precipitation.

June through September are months without snowfall in Tromity, Poland.

In Tromity, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Tromity is 12h and 42min.

In September, on the first day of the month, sunrise is at 05:45 and sunset at 19:27. On the last day of the month, in Tromity, sunrise is at 06:37 and sunset at 18:14 CEST.

In Tromity, Poland, the average sunshine duration in September is 7.6h.

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Tromity, Poland

  • Average high temperature in September: 18.2°C

The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (-1.4°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).

Average pressure in September
Tromity, Poland

  • Average pressure in September: 1016.5mbar

The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).

Average wind speed in September
Tromity, 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 (10.8km/h).

Average humidity in September
Tromity, Poland

  • Average humidity in September: 77%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (72%).

Average rainfall in September
Tromity, Poland

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is May (60mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in September
Tromity, Poland

  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in September
Tromity, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (112mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Tromity, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Tromity, Poland

  • Average daylight in September: 12h and 42min

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: 7h and 36min

The month with the most sunshine is August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).

Average sunshine days in September
Tromity, Poland

  • Average sunshine days in September: 15.1 days

The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (9.6 days).

Average UV index in September
Tromity, Poland

  • Average UV index in September: 3

The months with the highest UV index are May, 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
Tromity, Poland

  • Average cloud cover in September: 44

The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 36).

Average visibility in September
Tromity, Poland

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).