September weather forecast and climate
Trzechel, Poland

September, the first month of the autumn, in Trzechel, is still a comfortable month, with average temperature ranging between max 18.7°C (65.7°F) and min 11.1°C (52°F).

Temperature

In September, the average high-temperature marginally drops, from a warm 23.4°C (74.1°F) in August, to an enjoyable 18.7°C (65.7°F). In September, the average low-temperature is 11.1°C (52°F).

Humidity

In September, the average relative humidity in Trzechel, Poland, is 76%.

Rainfall

In Trzechel, it is raining for 10.5 days, with typically 25mm (0.98") of accumulated precipitation. In Trzechel, during the entire year, the rain falls for 161.6 days and collects up to 423mm (16.65") of precipitation.

Snowfall

In Trzechel snow does not fall in May through October.

Daylight

In September, the average length of the day is 12.7h.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In September, the average daily maximum UV index in Trzechel, Poland, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Trzechel?

In September, the average high-temperature is 18.7°C (65.7°F), and the average low-temperature is 11.1°C (52°F).

What is the average humidity in September in Trzechel?

In September, the average relative humidity in Trzechel is 76%.

How much does it rain in Trzechel in September?

In September, in Trzechel, Poland, the rain falls for 10.5 days. Throughout September, 25mm (0.98") of precipitation is accumulated.

When it does not snow in Trzechel?

May through October are months without snowfall in Trzechel.

How many hours of daylight does Trzechel have in September?

The average length of the day in September is 12.7h.

How long on average sun shines in September in Trzechel?

In September, the average sunshine is 8.6h.

What is the UV index intensity in September in Trzechel?

The average daily maximum UV index in September in Trzechel, Poland, is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Trzechel, Poland
  • Average high temperature in September: 18.7°C

The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (1.3°C).

  • Average low temperature in September: 11.1°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 (-2.2°C).

Average pressure in September - Trzechel, Poland
  • Average pressure in September: 1016.5mbar

Months with the highest atmospheric pressure are September and October (1016.5mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).

Average wind speed in September - Trzechel, Poland
  • Average wind speed in September: 13.3km/h

The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest month (with the lowest average wind speed) is August (12.2km/h).

Average humidity in September - Trzechel, Poland
  • Average humidity in September: 76%

Months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is April (71%).

Average rainfall in September - Trzechel, Poland
  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is January (48mm).
The driest month (with the least rainfall) is April (18mm).

Average rainfall days in September - Trzechel, Poland
  • Average rainfall days in September: 10.5 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is September (10.5 days).

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

The month with the highest snowfall is January (88mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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

The month with the highest number of snowfall days is January (12.6 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Trzechel, Poland
  • Average daylight in September: 12.7h

The month with the longest days is June (Average daylight: 17h).
The month with the shortest days is December (Average daylight: 7.5h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is August (Average sunshine: 10.1h).
The month with the least sunshine is January (Average sunshine: 2.8h).

Average sunshine days in September - Trzechel, Poland
  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is September (17.5 days).
The month with the least sunshine days is December (8.3 days).

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

Months with the highest UV index are May, June, July and August (UV index 5).
Months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in September - Trzechel, Poland
  • Average cloud cover in September: 40

The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September - Trzechel, Poland
  • Average visibility in September: 9km

The month with the highest visibility is June (10km).
Months with the lowest visibility are January, February, November and December (8km).