September weather forecastRetka, Poland

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Retka, Poland, with an average temperature ranging between min 10.3°C (50.5°F) and max 18.7°C (65.7°F).

Temperature

The onset of September entails a temperature shift, as the average high-temperature decreases from a warm 24.2°C (75.6°F) in August to an enjoyable 18.7°C (65.7°F). Retka usually reports an average low-temperature of 10.3°C (50.5°F) during the month of September.

Humidity

The average relative humidity in September in Retka is 73%.

Rainfall

In Retka, in September, it is raining for 10.3 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, there are 135.2 rainfall days, and 349mm (13.74") of precipitation is accumulated.

Snowfall

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

Daylight

In Retka, the average length of the day in September is 12h and 40min.
On the first day of September, sunrise is at 05:46 and sunset at 19:24. On the last day of the month, sunrise is at 06:36 and sunset at 18:14 CEST.

Sunshine

In September, the average sunshine in Retka is 7.9h.

UV index

In Retka, Poland, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, an average UV index of 3 transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

In Retka, in September, the average high-temperature is 18.7°C (65.7°F), and the average low-temperature is 10.3°C (50.5°F).

The average relative humidity in September in Retka, Poland, is 73%.

In Retka, in September, during 10.3 rainfall days, 26mm (1.02") of precipitation is typically accumulated.

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

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

In Retka, Poland, the average day length in September is 12h and 40min.

In September, on the first day of the month, sunrise is at 05:46 and sunset at 19:24. On the last day of the month, in Retka, sunrise is at 06:36 and sunset at 18:14 CEST.

The average sunshine duration in September in Retka is 7.9h.

In Retka, Poland, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Retka, 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
Retka, 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
Retka, 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
Retka, 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
Retka, 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
Retka, 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
Retka, 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
Retka, 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
Retka, Poland

  • Average daylight in September: 12h and 42min

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 54min

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
Retka, 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
Retka, 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
Retka, 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
Retka, 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).