September weather forecastNasielsk, Poland

September

Weather in September

September, the first month of the autumn in Nasielsk, is still a comfortable month, with an average temperature fluctuating between 19°C (66.2°F) and 10.9°C (51.6°F).

Temperature

The arrival of September corresponds with a shift in temperature, down from a moderately hot 24.9°C (76.8°F) in August to a comfortable 19°C (66.2°F). Throughout September nights, Nasielsk registers an average low-temperature of 10.9°C (51.6°F).

Humidity

The average relative humidity in September is 72%.

Rainfall

In Nasielsk, in September, during 9 rainfall days, 26mm (1.02") of precipitation is typically accumulated. In Nasielsk, during the entire year, the rain falls for 122.8 days and collects up to 300mm (11.81") of precipitation.

Snowfall

In Nasielsk, Poland, snow does not fall in June through September.

Daylight

In Nasielsk, the average length of the day in September is 12h and 40min.
On the first day of the month, sunrise is at 05:48 and sunset at 19:24. On the last day of September, sunrise is at 06:37 and sunset at 18:16 CEST.

Sunshine

In September, the average sunshine in Nasielsk is 8h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. It's recommended to limit sun exposure when its radiation is at its peak during midday. 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.

Updated: Feb 1, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in September, in Nasielsk, is 19°C (66.2°F) and the average low-temperature is 10.9°C (51.6°F).

The average relative humidity in September in Nasielsk is 72%.

In Nasielsk, Poland, in September, during 9 rainfall days, 26mm (1.02") of precipitation is typically accumulated.

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

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

The average day length in September is 12h and 40min.

In September, on the first day of the month, sunrise is at 05:48 and sunset at 19:24. On the last day of the month, in Nasielsk, sunrise is at 06:37 and sunset at 18:16 CEST.

In Nasielsk, the average sunshine duration in September is 8h.

In Nasielsk, Poland, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

24.9°C

19°C

12.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

11.1km/h

12km/h

13.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

9.2

Average snowfall

0mm

12mm

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

19.1

19.8

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Nasielsk, Poland

Average high temperature in September: 19°C

The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (-0.4°C).

Average low temperature in September: 10.9°C

The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).

Average pressure in September
Nasielsk, Poland

Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).

Average wind speed in September
Nasielsk, 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 (10.3km/h).

Average humidity in September
Nasielsk, Poland

Average humidity in September: 72%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).

Average rainfall in September
Nasielsk, Poland

Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is May (47mm).
The driest months (with the least rainfall) are April and November (15mm).

Average rainfall days in September
Nasielsk, Poland

Average rainfall days in September: 9 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in September
Nasielsk, Poland

Average snowfall in September: 0mm

The month with the highest snowfall is January (80mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Nasielsk, Poland

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Nasielsk, 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: 8h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).