September weather forecastPotirna, Croatia

September

Weather in September

The first month of the autumn, September, is still a warm month in Potirna, Croatia, with an average temperature fluctuating between 23.4°C (74.1°F) and 20°C (68°F).

Temperature

The arrival of September signals a subtle shift in temperature, down from a moderately hot 27.3°C (81.1°F) in August to a still warm 23.4°C (74.1°F). Registering an almost steady temperature, Potirna's nights in September see an average low of 20°C (68°F).

Humidity

The average relative humidity in September in Potirna is 65%.

Rainfall

In September, the rain falls for 7.2 days. Throughout September, 11mm (0.43") of precipitation is accumulated. Throughout the year, in Potirna, Croatia, there are 97.2 rainfall days, and 202mm (7.95") of precipitation is accumulated.

Snowfall

In Potirna, snow does not fall in January, April through December.

Daylight

In Potirna, Croatia, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 06:17 and sunset at 19:27. On the last day of September, sunrise is at 06:49 and sunset at 18:35 CEST.

Sunshine

The average sunshine in September in Potirna is 10.7h.

UV index

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 5 in September translates into these instructions:
Heed the precautions - Suggestions to avoid sunburn are made. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.

Frequently asked questions

Potirna in September has an average high-temperature of 23.4°C (74.1°F) and an average low-temperature of 20°C (68°F). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 29°C (84.2°F).

The average relative humidity in September in Potirna, Croatia, is 65%.

In Potirna, Croatia, in September, during 7.2 rainfall days, 11mm (0.43") of precipitation is typically accumulated.

January, April through December are months without snowfall in Potirna.

The average day length in September is 12h and 29min.

On the first day of September in Potirna, Croatia, sunrise is at 06:17 and sunset at 19:27. On the last day of the month, sunrise is at 06:49 and sunset at 18:35 CEST.

In Potirna, the average sunshine duration in September is 10.7h.

In Potirna, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium hazard to health 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 days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Potirna, Croatia

  • Average high temperature in September: 23.4°C

The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (10.2°C).

  • Average low temperature in September: 20°C

The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (7.4°C).

Average pressure in September
Potirna, Croatia

  • Average pressure in September: 1016mbar

The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).

Average wind speed in September
Potirna, Croatia

  • Average wind speed in September: 14.2km/h

The windiest month (with the highest average wind speed) is February (20.4km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).

Average humidity in September
Potirna, Croatia

  • Average humidity in September: 65%

The month with the highest relative humidity is November (72%).
The months with the lowest relative humidity are July and August (64%).

Average rainfall in September
Potirna, Croatia

  • Average rainfall in September: 11mm

The wettest month (with the highest rainfall) is November (44mm).
The driest month (with the least rainfall) is August (7mm).

Average rainfall days in September
Potirna, Croatia

  • Average rainfall days in September: 7.2 days

The month with the highest number of rainy days is November (11.1 days).
The month with the least rainy days is August (3.1 days).

Average snowfall in September
Potirna, Croatia

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (2mm).
The months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in September
Potirna, Croatia

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.6 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
Potirna, Croatia

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in September: 10h and 42min

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 42min).

Average sunshine days in September
Potirna, Croatia

  • Average sunshine days in September: 20.5 days

The month with the most sunshine days is August (25 days).
The months with the least sunshine days are February and November (16.5 days).

Average UV index in September
Potirna, 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 and December (UV index 3).

Average cloud cover in September
Potirna, Croatia

  • Average cloud cover in September: 18

The months with the most cloud cover are January and February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 9).

Average visibility in September
Potirna, 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).