September weather forecast
Gardun, Croatia

September

Weather in September

The first month of the autumn, September, is still a warm month in Gardun, Croatia, with an average temperature fluctuating between 23.6°C (74.5°F) and 17.7°C (63.9°F).

Temperature

September brings a slight decrease in temperature, down from 28.3°C (82.9°F) in August to a still warm 23.6°C (74.5°F). Gardun records a mean low-temperature of 17.7°C (63.9°F) in September.

Humidity

In Gardun, the average relative humidity in September is 64%.

Rainfall

In Gardun, in September, during 7.8 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, in Gardun, there are 118 rainfall days, and 505mm (19.88") of precipitation is accumulated.

Snowfall

January, March through November are months without snowfall.

Daylight

In Gardun, Croatia, the average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 06:17 and sunset at 19:28. On the last day of September, sunrise is at 06:50 and sunset at 18:35 CEST.

Sunshine

In Gardun, the average sunshine in September is 10.6h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Frequently asked questions

What are September temperatures?
The average high-temperature, in September, in Gardun, is 23.6°C (74.5°F), while the average low-temperature is 17.7°C (63.9°F). In August, the average heat index (a.k.a. 'real feel', 'feels like'), which combines air temperature and relative humidity, is estimated at 30°C (86°F).
What is the average humidity in September?
The average relative humidity in September is 64%.
How much does it rain in September?
In September, in Gardun, Croatia, the rain falls for 7.8 days. Throughout September, 37mm (1.46") of precipitation is accumulated.
When it does not snow?
In Gardun, snow does not fall in January, March through November.
What is the average length of the day in September?
In Gardun, the average day length in September is 12h and 30min.
When is the sunrise / sunset in September?
In September, on the first day of the month, sunrise is at 06:17 and sunset at 19:28. On the last day of the month, in Gardun, sunrise is at 06:50 and sunset at 18:35 CEST.
How long on average sun shines in September?
In September, the average sunshine duration is 10.6h.
What is the UV index intensity in September?
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Gardun, Croatia
  • Average high temperature in September: 23.6°C

The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (9.3°C).

  • Average low temperature in September: 17.7°C

The month with the highest average low temperature is August (21.3°C).
The coldest month (with the lowest average low temperature) is January (4.9°C).

Average pressure in September
Gardun, Croatia
  • Average pressure in September: 1016.1mbar

The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).

Average wind speed in September
Gardun, Croatia
  • Average wind speed in September: 12.4km/h

The windiest month (with the highest average wind speed) is February (17km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).

Average humidity in September
Gardun, Croatia
  • Average humidity in September: 64%

The month with the highest relative humidity is November (74%).
The month with the lowest relative humidity is August (59%).

Average rainfall in September
Gardun, Croatia
  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is November (90mm).
The driest month (with the least rainfall) is August (14mm).

Average rainfall days in September
Gardun, Croatia
  • Average rainfall days in September: 7.8 days

The months with the highest number of rainy days are April and November (11.9 days).
The month with the least rainy days is August (5.1 days).

Average snowfall in September
Gardun, Croatia
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (16mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Gardun, Croatia
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Gardun, Croatia
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in September: 10h and 4min

The month with the most sunshine is August (Average sunshine: 12h and 6min).
The months with the least sunshine are January and February (Average sunshine: 5h and 36min).

Average sunshine days in September
Gardun, Croatia
  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is May (14.8 days).

Average UV index in September
Gardun, Croatia
  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Gardun, Croatia
  • Average cloud cover in September: 18

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in September
Gardun, Croatia
  • Average visibility in September: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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