September weather forecast
Mengeš, Slovenia

September

Weather in September

September in Mengeš witnesses a dip in temperature as the city says goodbye to summer and welcomes the fall season. The colorful fall foliage begins to make an appearance, offering stunning photo opportunities. Rainfall increases, hinting at the onset of the rainy season. The average high temperature falls to 19.3°C (66.7°F) in September. With the approach of October, a further reduction in temperature is anticipated.

Temperature

September in Mengeš, Slovenia, comes with a drop in the average high-temperature, falling from August's warm 25.1°C (77.2°F) to a refreshing 19.3°C (66.7°F). During September nights, Mengeš witnesses a consistent average temperature of 9°C (48.2°F).

Humidity

The average relative humidity in September in Mengeš is 81%.

Rainfall

In September, in Mengeš, the rain falls for 15.7 days. Throughout September, 86mm (3.39") of precipitation is accumulated. Throughout the year, there are 174.2 rainfall days, and 909mm (35.79") of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 32min.
On the first day of September in Mengeš, sunrise is at 06:22 and sunset at 19:40. On the last day of the month, sunrise is at 06:59 and sunset at 18:43 CEST.

Sunshine

In Mengeš, the average sunshine in September is 9.3h.

UV index

In September, the average daily maximum UV index in Mengeš is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, the maximum UV index of 3 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

What is the temperature in September in Mengeš?
In September, the average high-temperature and low-temperature are 19.3°C (66.7°F) and 9°C (48.2°F) respectively.
What is the average humidity in September in Mengeš?
In September, the average relative humidity in Mengeš is 81%.
How many days does it rain in September in Mengeš?
In Mengeš, Slovenia, during September, the rain falls for 15.7 days and regularly aggregates up to 86mm (3.39") of precipitation.
When it does not snow in Mengeš?
May through September are months without snowfall in Mengeš, Slovenia.
Does it snow in Mengeš in September?
In Mengeš, in September, it doesn't snow. In October, it regularly snows.
How many hours of daylight does Mengeš have in September?
In September, the average day length in Mengeš, Slovenia, is 12h and 32min.
When is the sunrise / sunset in September in Mengeš?
In September, on the first day of the month, sunrise is at 06:22 and sunset at 19:40. On the last day of the month, in Mengeš, Slovenia, sunrise is at 06:59 and sunset at 18:43 CEST.
How long on average sun shines in September in Mengeš?
In Mengeš, the average sunshine duration in September is 9.3h.
What is the UV index reading in September in Mengeš?
The average daily maximum UV index in September in Mengeš, Slovenia, is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Mengeš, Slovenia
  • Average high temperature in September: 19.3°C

The warmest month (with the highest average high temperature) is July (25.2°C).
The month with the lowest average high temperature is January (2.4°C).

  • Average low temperature in September: 9°C

The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

Average pressure in September
Mengeš, Slovenia
  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is May (1015mbar).

Average wind speed in September
Mengeš, Slovenia
  • Average wind speed in September: 5.7km/h

The windiest month (with the highest average wind speed) is March (6.9km/h).
The calmest month (with the lowest average wind speed) is August (5.3km/h).

Average humidity in September
Mengeš, Slovenia
  • Average humidity in September: 81%

The month with the highest relative humidity is November (88%).
The months with the lowest relative humidity are April, July and August (75%).

Average rainfall in September
Mengeš, Slovenia
  • Average rainfall in September: 86mm

The wettest month (with the highest rainfall) is May (109mm).
The driest month (with the least rainfall) is January (37mm).

Average rainfall days in September
Mengeš, Slovenia
  • Average rainfall days in September: 15.7 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in September
Mengeš, Slovenia
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (168mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Mengeš, Slovenia
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8 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
Mengeš, Slovenia
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Mengeš, Slovenia
  • Average sunshine days in September: 12.2 days

The month with the most sunshine days is January (17.8 days).
The months with the least sunshine days are May and June (8.5 days).

Average UV index in September
Mengeš, Slovenia
  • Average UV index in September: 3

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

Average cloud cover in September
Mengeš, Slovenia
  • Average cloud cover in September: 40

The months with the most cloud cover are February and November (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Mengeš, Slovenia
  • Average visibility in September: 8km

The months with the highest visibility are March, April, May, June, July, August, September and December (8km).
The months with the lowest visibility are January, February, October and November (7km).

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