September weather forecast and climate
Twardawa, Poland

The first month of the autumn, September, is also an enjoyable month in Twardawa, Poland, with average temperature ranging between max 19.5°C (67.1°F) and min 11.2°C (52.2°F).

Temperature

In Twardawa, the average high-temperature drops, from a warm 25.6°C (78.1°F) in August, to an enjoyable 19.5°C (67.1°F). In September, in Twardawa, Poland, the average low-temperature is 11.2°C (52.2°F).

Humidity

The average relative humidity in September is 71%.

Rainfall

In Twardawa, in September, it is raining for 12.5 days, with typically 39mm (1.54") of accumulated precipitation. In Twardawa, during the entire year, the rain falls for 151.3 days and collects up to 430mm (16.93") of precipitation.

Snowfall

In Twardawa snow does not fall in June through September.

Daylight

The average length of the day in September is 12.6h.

Sunshine

In Twardawa, Poland, the average sunshine is 8.6h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Twardawa?

In Twardawa, in September, the average high-temperature is 19.5°C (67.1°F), and the average low-temperature is 11.2°C (52.2°F).

What is the average humidity in September in Twardawa?

In September, the average relative humidity is 71%.

How many days does it rain in September in Twardawa?

In September, in Twardawa, the rain falls for 12.5 days. Throughout September, 39mm (1.54") of precipitation is accumulated.

Does it snow in Twardawa in September?

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

When it does not snow in Twardawa?

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

What is the average length of the day in September in Twardawa?

The average length of the day in September in Twardawa is 12.6h.

How many hours of sunshine does Twardawa have in September?

In September, the average sunshine is 8.6h.

What is the UV index reading in September in Twardawa?

The average daily maximum UV index in September in Twardawa, Poland, is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV rays.
Average temperature in September - Twardawa, Poland
  • Average high temperature in September: 19.5°C

The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (0.8°C).

  • Average low temperature in September: 11.2°C

The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.2°C).

Average pressure in September - Twardawa, Poland
  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is October (1018.6mbar).
The month with the lowest atmospheric pressure is July (1014.6mbar).

Average wind speed in September - Twardawa, Poland
  • Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in September - Twardawa, Poland
  • Average humidity in September: 71%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).

Average rainfall in September - Twardawa, Poland
  • Average rainfall in September: 39mm

The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is November (20mm).

Average rainfall days in September - Twardawa, Poland
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is June (18.1 days).
Months with the least rainy days are January and February (8.7 days).

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

The month with the highest snowfall is January (91mm).
Months with the least snowfall are June, July, August and September (0mm).

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

The month with the highest number of snowfall days is January (12.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Twardawa, Poland
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.3h).
The month with the shortest days is December (Average daylight: 8.1h).

  • Average sunshine in September: 8.6h

The month with the most sunshine is August (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 3.7h).

Average sunshine days in September - Twardawa, Poland
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is June (9.8 days).

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

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

Average cloud cover in September - Twardawa, Poland
  • Average cloud cover in September: 38

The month with the most cloud cover is February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 29).

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

Months with the highest visibility are June and August (10km).
Months with the lowest visibility are January and February (8km).