September weather forecastGruda, Croatia

September

Weather in September

The first month of the autumn, September, is also an agreeable month in Gruda, Croatia, with an average temperature fluctuating between 15.9°C (60.6°F) and 22.8°C (73°F).

Temperature

Gruda's weather subtly changes with the onset of September, barely falling from a moderately hot 27.7°C (81.9°F) in August to a pleasant 22.8°C (73°F). During September, Gruda experiences a consistent low-temperature average of 15.9°C (60.6°F).

Humidity

The average relative humidity in September is 66%.

Rainfall

In Gruda, in September, it is raining for 11.3 days, with typically 57mm (2.24") of accumulated precipitation. Throughout the year, there are 168.5 rainfall days, and 1301mm (51.22") of precipitation is accumulated.

Snowfall

In Gruda, snow does not fall in April through December.

Daylight

In Gruda, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 06:12 and sunset at 19:20. On the last day of September, sunrise is at 06:43 and sunset at 18:29 CEST.

Sunshine

The average sunshine in September in Gruda is 10h.

UV index

In Gruda, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In September, an average UV index of 5 transforms into the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

September temperatures in Gruda, Croatia, vary between a high-temperature of 22.8°C (73°F) and a low-temperature of 15.9°C (60.6°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is estimated at 29°C (84.2°F).

In Gruda, the average relative humidity in September is 66%.

In Gruda, in September, it is raining for 11.3 days, with typically 57mm (2.24") of accumulated precipitation.

In Gruda, Croatia, snow does not fall in April through December.

In Gruda, Croatia, the average day length in September is 12h and 29min.

In September, on the first day of the month, sunrise is at 06:12 and sunset at 19:20. On the last day of the month, in Gruda, sunrise is at 06:43 and sunset at 18:29 CEST.

The average sunshine duration in September is 10h.

In September, the average daily maximum UV index in Gruda is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Gruda, Croatia

  • Average high temperature in September: 22.8°C

The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in September: 15.9°C

The month with the highest average low temperature is August (19.9°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).

Average pressure in September
Gruda, Croatia

  • Average pressure in September: 1016.1mbar

The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).

Average wind speed in September
Gruda, Croatia

  • Average wind speed in September: 10.3km/h

The windiest month (with the highest average wind speed) is February (13.8km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

Average humidity in September
Gruda, Croatia

  • Average humidity in September: 66%

The month with the highest relative humidity is February (76%).
The month with the lowest relative humidity is August (62%).

Average rainfall in September
Gruda, Croatia

  • Average rainfall in September: 57mm

The wettest month (with the highest rainfall) is November (251mm).
The driest month (with the least rainfall) is August (26mm).

Average rainfall days in September
Gruda, Croatia

  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is August (7.8 days).

Average snowfall in September
Gruda, Croatia

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Gruda, Croatia

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Gruda, Croatia

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 10h and 0min

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

Average sunshine days in September
Gruda, Croatia

  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is February (10.5 days).

Average UV index in September
Gruda, Croatia

  • Average UV index in September: 5

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in September
Gruda, Croatia

  • Average cloud cover in September: 21

The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 11).

Average visibility in September
Gruda, Croatia

  • Average visibility in September: 10km

The months with the highest visibility are March, April, May, June, July, August, September, October and December (10km).
The months with the lowest visibility are January, February and November (9km).