September weather forecastJelcza, Poland

September

Weather in September

September, the first month of the autumn in Jelcza, is still a comfortable month, with an average temperature fluctuating between 18.6°C (65.5°F) and 10.3°C (50.5°F).

Temperature

September's arrival correlates with a reduction in the average high-temperature, down from a warm 24.3°C (75.7°F) in August to a comfortable 18.6°C (65.5°F). Nighttime temperature in Jelcza dips to a mean of 10.3°C (50.5°F) during September.

Humidity

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

Rainfall

In September, the rain falls for 13.1 days. Throughout September, 42mm (1.65") of precipitation is accumulated. In Jelcza, during the entire year, the rain falls for 169.4 days and collects up to 571mm (22.48") of precipitation.

Snowfall

June through September are months without snowfall in Jelcza.

Daylight

In Jelcza, the average length of the day in September is 12h and 37min.
On the first day of the month, sunrise is at 05:55 and sunset at 19:25. On the last day of September, sunrise is at 06:39 and sunset at 18:20 CEST.

Sunshine

The average sunshine in September in Jelcza is 8.3h.

UV index

In September, the average daily maximum UV index in Jelcza is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily high UV index of 4 in September leads to these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

In September, in Jelcza, the average high-temperature is 18.6°C (65.5°F), and the average low-temperature is 10.3°C (50.5°F).

The average relative humidity in September in Jelcza, Poland, is 74%.

In Jelcza, Poland, in September, during 13.1 rainfall days, 42mm (1.65") of precipitation is typically accumulated.

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

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

In September, the average day length in Jelcza, Poland, is 12h and 37min.

On the first day of September in Jelcza, sunrise is at 05:55 and sunset at 19:25. On the last day of the month, sunrise is at 06:39 and sunset at 18:20 CEST.

The average sunshine duration in September in Jelcza, Poland, is 8.3h.

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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
Jelcza, Poland

  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (-0.3°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
Jelcza, Poland

  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).

Average wind speed in September
Jelcza, Poland

  • Average wind speed in September: 10.9km/h

The windiest month (with the highest average wind speed) is December (14.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).

Average humidity in September
Jelcza, Poland

  • Average humidity in September: 74%

The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and August (69%).

Average rainfall in September
Jelcza, Poland

  • Average rainfall in September: 42mm

The wettest month (with the highest rainfall) is May (83mm).
The driest month (with the least rainfall) is November (29mm).

Average rainfall days in September
Jelcza, Poland

  • Average rainfall days in September: 13.1 days

The month with the highest number of rainy days is June (21.3 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in September
Jelcza, Poland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (200mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Jelcza, Poland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).

Average sunshine days in September
Jelcza, Poland

  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is August (15.3 days).
The month with the least sunshine days is June (6 days).

Average UV index in September
Jelcza, Poland

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Jelcza, Poland

  • Average cloud cover in September: 39

The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Jelcza, Poland

  • Average visibility in September: 9km

The month with the highest visibility is August (10km).
The month with the lowest visibility is January (7km).