September weather forecastMerník, Slovakia

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Merník, Slovakia, with an average temperature fluctuating between 9.8°C (49.6°F) and 20.6°C (69.1°F).

Temperature

The shift from August to September involves a decrease in the average high-temperature, dropping from a warm 26.5°C (79.7°F) to a pleasant 20.6°C (69.1°F). In Merník, September's nights observe an average temperature dip to a chilly 9.8°C (49.6°F).

Humidity

The average relative humidity in September is 70%.

Rainfall

September is the month with the least rainfall. Rain falls for 8.5 days and accumulates 14mm (0.55") of precipitation.

Snowfall

May through September are months without snowfall in Merník.

Daylight

In September, the average length of the day in Merník is 12h and 35min.
On the first day of the month, sunrise is at 05:50 and sunset at 19:15. On the last day of September, in Merník, sunrise is at 06:32 and sunset at 18:14 CEST.

Sunshine

In Merník, the average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 4 suggests this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During September, Merník experiences an average high-temperature of 20.6°C (69.1°F) and a low-temperature of 9.8°C (49.6°F).

The average relative humidity in September in Merník is 70%.

The month with the least rainfall in Merník is September, when the rain falls for 8.5 days and typically collects 14mm (0.55") of precipitation.

In Merník, Slovakia, in September, during 8.5 rainfall days, 14mm (0.55") of precipitation is typically accumulated.

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

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

In Merník, the average day length in September is 12h and 35min.

In September, on the first day of the month, sunrise is at 05:50 and sunset at 19:15. On the last day of the month, sunrise is at 06:32 and sunset at 18:14 CEST.

In September, the average sunshine duration is 9h.

In Merník, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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

26.5°C

20.6°C

13.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.4km/h

9km/h

9.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

8.5

Average snowfall

0mm

7mm

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

20.3

19.7

19.9

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Merník, Slovakia

Average high temperature in September: 20.6°C

The warmest month (with the highest average high temperature) is August (26.5°C).
The month with the lowest average high temperature is January (-0.5°C).

Average low temperature in September: 9.8°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).

Average pressure in September
Merník, Slovakia

Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is June (1014.2mbar).

Average wind speed in September
Merník, Slovakia

Average wind speed in September: 8.5km/h

The windiest month (with the highest average wind speed) is March (10.4km/h).
The calmest months (with the lowest average wind speed) are August and September (8.5km/h).

Average humidity in September
Merník, Slovakia

Average humidity in September: 70%

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

Average rainfall in September
Merník, Slovakia

Average rainfall in September: 14mm

The wettest month (with the highest rainfall) is June (50mm).
The driest month (with the least rainfall) is September (14mm).

Average rainfall days in September
Merník, Slovakia

Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (7.4 days).

Average snowfall in September
Merník, Slovakia

Average snowfall in September: 0mm

The month with the highest snowfall is January (96mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Merník, Slovakia

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Merník, Slovakia

Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

Average sunshine in September: 9h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).