September weather forecast
Hum na Sutli, Croatia

September

Weather in September

September, the first month of the autumn in Hum na Sutli, is also an enjoyable month, with an average temperature fluctuating between 9.4°C (48.9°F) and 19.3°C (66.7°F).

Temperature

September suggests a modest reduction in the average high-temperature, shifting from a moderately hot 25.2°C (77.4°F) in August to a comfortable 19.3°C (66.7°F). In the month of September, Hum na Sutli witnesses a consistent average low-temperature of 9.4°C (48.9°F).

Humidity

In September, the average relative humidity is 82%.

Rainfall

In September, in Hum na Sutli, Croatia, the rain falls for 15.1 days. Throughout September, 77mm (3.03") of precipitation is accumulated. In Hum na Sutli, during the entire year, the rain falls for 179.3 days and collects up to 854mm (33.62") of precipitation.

Snowfall

In Hum na Sutli, 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, sunrise is at 06:18 and sunset at 19:35. On the last day of the month, sunrise is at 06:55 and sunset at 18:39 CEST.

Sunshine

In Hum na Sutli, the average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index in Hum na Sutli is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Experience reduced UV exposure by about half when donning a wide-brim hat.

Frequently asked questions

What are September temperatures in Hum na Sutli?
In Hum na Sutli, 19.3°C (66.7°F) is the average high-temperature and 9.4°C (48.9°F) is the average low-temperature during September.
What is the average humidity in September in Hum na Sutli?
In Hum na Sutli, the average relative humidity in September is 82%.
How much does it rain in Hum na Sutli in September?
In Hum na Sutli, in September, it is raining for 15.1 days, with typically 77mm (3.03") of accumulated precipitation.
When it does not snow in Hum na Sutli?
May through September are months without snowfall in Hum na Sutli, Croatia.
Does it snow in Hum na Sutli in September?
In Hum na Sutli, Croatia, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Hum na Sutli?
The average day length in September in Hum na Sutli is 12h and 32min.
When are sunrise and sunset in September in Hum na Sutli?
In September, on the first day of the month, sunrise is at 06:18 and sunset at 19:35. On the last day of the month, sunrise is at 06:55 and sunset at 18:39 CEST.
How long on average sun shines in September in Hum na Sutli?
The average sunshine duration in September in Hum na Sutli is 8.9h.
What is the UV index intensity in September in Hum na Sutli?
In Hum na Sutli, Croatia, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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 - Hum na Sutli, Croatia
Average temperature in September
Hum na Sutli, Croatia
  • Average high temperature in September: 19.3°C

The warmest month (with the highest average high temperature) is August (25.2°C).
The month with the lowest average high temperature is January (2.6°C).

  • Average low temperature in September: 9.4°C

The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (-3°C).

Average pressure in September - Hum na Sutli, Croatia
Average pressure in September
Hum na Sutli, Croatia
  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is December (1020.4mbar).
The months with the lowest atmospheric pressure are May and June (1015mbar).

Average wind speed in September - Hum na Sutli, Croatia
Average wind speed in September
Hum na Sutli, Croatia
  • Average wind speed in September: 5.8km/h

The windiest month (with the highest average wind speed) is March (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.5km/h).

Average humidity in September - Hum na Sutli, Croatia
Average humidity in September
Hum na Sutli, Croatia
  • Average humidity in September: 82%

The month with the highest relative humidity is November (87%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September - Hum na Sutli, Croatia
Average rainfall in September
Hum na Sutli, Croatia
  • Average rainfall in September: 77mm

The wettest month (with the highest rainfall) is May (120mm).
The driest month (with the least rainfall) is January (33mm).

Average rainfall days in September - Hum na Sutli, Croatia
Average rainfall days in September
Hum na Sutli, Croatia
  • Average rainfall days in September: 15.1 days

The month with the highest number of rainy days is May (22.9 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in September - Hum na Sutli, Croatia
Average snowfall in September
Hum na Sutli, Croatia
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (185mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September - Hum na Sutli, Croatia
Average snowfall days in September
Hum na Sutli, Croatia
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.6 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 - Hum na Sutli, Croatia
Average daylight in September /
Average sunshine in September
Hum na Sutli, Croatia
  • 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: 8h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

Average sunshine days in September - Hum na Sutli, Croatia
Average sunshine days in September
Hum na Sutli, Croatia
  • Average sunshine days in September: 12.4 days

The month with the most sunshine days is December (16.9 days).
The month with the least sunshine days is May (5.9 days).

Average UV index in September - Hum na Sutli, Croatia
Average UV index in September
Hum na Sutli, Croatia
  • Average UV index in September: 4

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

Average cloud cover in September - Hum na Sutli, Croatia
Average cloud cover in September
Hum na Sutli, Croatia
  • Average cloud cover in September: 40

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in September - Hum na Sutli, Croatia
Average visibility in September
Hum na Sutli, Croatia
  • Average visibility in September: 8km

The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, October and November (7km).

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