September weather forecastSlanec, Slovakia

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Slanec, Slovakia, with an average temperature varying between 10.1°C (50.2°F) and 20.4°C (68.7°F).

Temperature

The onset of September is marked by a decrease in temperature, transitioning from a moderately hot 26.1°C (79°F) in August to a pleasant 20.4°C (68.7°F). In September, the recorded average low-temperature is a fresh 10.1°C (50.2°F).

Humidity

In September, the average relative humidity is 70%.

Rainfall

In Slanec, during September, the rain falls for 10.9 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, in Slanec, there are 153.7 rainfall days, and 488mm (19.21") of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Slanec.

Daylight

In Slanec, the average length of the day in September is 12h and 35min.
On the first day of September in Slanec, Slovakia, sunrise is at 05:51 and sunset at 19:15. On the last day of the month, sunrise is at 06:32 and sunset at 18:15 CEST.

Sunshine

The average sunshine in September in Slanec is 9.1h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

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

Frequently asked questions

Slanec in September has an average high-temperature of 20.4°C (68.7°F) and an average low-temperature of 10.1°C (50.2°F).

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

In Slanec, Slovakia, in September, it is raining for 10.9 days, with typically 31mm (1.22") of accumulated precipitation.

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

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

The average day length in September in Slanec is 12h and 35min.

In September, on the first day of the month, sunrise is at 05:51 and sunset at 19:15. On the last day of the month, in Slanec, sunrise is at 06:32 and sunset at 18:15 CEST.

The average sunshine duration in September is 9.1h.

In September, the average daily maximum UV index in Slanec, Slovakia, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

26.1°C

20.4°C

13.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.2km/h

9.4km/h

9.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

17.3

17.5

19.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Slanec, Slovakia

Average high temperature in September: 20.4°C

The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (-0.5°C).

Average low temperature in September: 10.1°C

The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-5°C).

Average pressure in September
Slanec, Slovakia

Average pressure in September: 1017.5mbar

The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is June (1014.1mbar).

Average wind speed in September
Slanec, Slovakia

Average wind speed in September: 8.4km/h

The windiest month (with the highest average wind speed) is March (10.5km/h).
The calmest month (with the lowest average wind speed) is November (8km/h).

Average humidity in September
Slanec, 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
Slanec, Slovakia

Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is June (76mm).
The driest month (with the least rainfall) is January (25mm).

Average rainfall days in September
Slanec, Slovakia

Average rainfall days in September: 10.9 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is December (9.1 days).

Average snowfall in September
Slanec, Slovakia

Average snowfall in September: 0mm

The month with the highest snowfall is January (117mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Slanec, Slovakia

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12 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
Slanec, 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 24min).

Average sunshine in September: 9h and 6min

The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).