September weather forecastSurmacze, Poland

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Surmacze, Poland, with an average temperature fluctuating between 10.1°C (50.2°F) and 18.8°C (65.8°F).

Temperature

The shift from August to September corresponds with a decrease in the average high-temperature, down to a comfortable 18.8°C (65.8°F) from a warm 24.7°C (76.5°F). In September, the recorded average low-temperature in Surmacze is a cool 10.1°C (50.2°F).

Humidity

In Surmacze, the average relative humidity in September is 74%.

Rainfall

In Surmacze, during September, the rain falls for 11.7 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, in Surmacze, there are 144.9 rainfall days, and 439mm (17.28") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 39min.
On the first day of September in Surmacze, sunrise is at 05:40 and sunset at 19:15. On the last day of the month, sunrise is at 06:28 and sunset at 18:07 CEST.

Sunshine

In September, the average sunshine is 7.5h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: An average UV index of 3 in September transforms into this advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.

Frequently asked questions

An average high-temperature, in September, in Surmacze, is 18.8°C (65.8°F) and the average low-temperature is 10.1°C (50.2°F).

In September, the average relative humidity is 74%.

In Surmacze, in September, it is raining for 11.7 days, with typically 30mm (1.18") of accumulated precipitation.

In Surmacze, snow does not fall in May through September.

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

The average day length in September in Surmacze, Poland, is 12h and 39min.

On the first day of September in Surmacze, sunrise is at 05:40 and sunset at 19:15. On the last day of the month, sunrise is at 06:28 and sunset at 18:07 CEST.

In September, the average sunshine duration is 7.5h.

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Surmacze, Poland

  • Average high temperature in September: 18.8°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 (-1.3°C).

  • Average low temperature in September: 10.1°C

The months with the highest average low temperature are July and August (14.3°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).

Average pressure in September
Surmacze, Poland

  • Average pressure in September: 1017.2mbar

The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).

Average wind speed in September
Surmacze, Poland

  • Average wind speed in September: 11.5km/h

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in September
Surmacze, Poland

  • Average humidity in September: 74%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September
Surmacze, Poland

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is May (67mm).
The driest month (with the least rainfall) is November (20mm).

Average rainfall days in September
Surmacze, Poland

  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in September
Surmacze, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (164mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Surmacze, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in September: 7h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).

Average sunshine days in September
Surmacze, Poland

  • Average sunshine days in September: 16 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is January (7.2 days).

Average UV index in September
Surmacze, Poland

  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in September
Surmacze, Poland

  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Surmacze, 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).