September weather forecast
Sumartin, Croatia

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Weather in September

September, the first month of the autumn in Sumartin, is still a warm month, with temperature in the range of an average high of 23.4°C (74.1°F) and an average low of 20°C (68°F).

Temperature

In Sumartin, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's 27.3°C (81.1°F) to a still warm 23.4°C (74.1°F). Sumartin documents a consistent average low-temperature of 20°C (68°F) at night during September.

Humidity

In September, the average relative humidity is 65%.

Rainfall

In Sumartin, Croatia, in September, it is raining for 7.2 days, with typically 11mm (0.43") of accumulated precipitation. Throughout the year, there are 97.2 rainfall days, and 202mm (7.95") of precipitation is accumulated.

Snowfall

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

Daylight

In Sumartin, 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 19:27. On the last day of September, sunrise is at 06:49 and sunset at 18:35 CEST.

Sunshine

In September, the average sunshine is 10.7h.

UV index

The average daily maximum UV index in September in Sumartin is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Direct Sun exposure should be minimized especially during midday when radiation is most intense. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What is the usual temperature for Sumartin in September?

The average high-temperature, in September, in Sumartin, is 23.4°C (74.1°F), while the average low-temperature is 20°C (68°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is computed to be 29°C (84.2°F).

What is the average humidity in September in Sumartin?

The average relative humidity in September is 65%.

How much does it rain in Sumartin in September?

In Sumartin, Croatia, during September, the rain falls for 7.2 days and regularly aggregates up to 11mm (0.43") of precipitation.

When it does not snow in Sumartin?

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

How many hours of daylight does Sumartin have in September?

The average day length in September in Sumartin is 12h and 30min.

When is the sunrise / sunset in September in Sumartin?

On the first day of September, 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.

How many hours of sunshine does Sumartin have in September?

In September, the average sunshine duration is 10.7h.

How high is the UV index in September in Sumartin?

In Sumartin, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Sumartin, Croatia

Average temperature in September - Sumartin, 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).

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Average pressure in September
Sumartin, Croatia

Average pressure in September - Sumartin, 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).

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Average wind speed in September
Sumartin, Croatia

Average wind speed in September - Sumartin, 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).

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Average humidity in September
Sumartin, Croatia

Average humidity in September - Sumartin, 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%).

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Average rainfall in September
Sumartin, Croatia

Average rainfall in September - Sumartin, 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).

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Average rainfall days in September
Sumartin, Croatia

Average rainfall days in September - Sumartin, 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).

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Average snowfall in September
Sumartin, Croatia

Average snowfall in September - Sumartin, 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).

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Average snowfall days in September
Sumartin, Croatia

Average snowfall days in September - Sumartin, 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).

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

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

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 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 42min).

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Average sunshine days in September
Sumartin, Croatia

Average sunshine days in September - Sumartin, 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).

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Average UV index in September
Sumartin, Croatia

Average UV index in September - Sumartin, 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).

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Average cloud cover in September
Sumartin, Croatia

Average cloud cover in September - Sumartin, 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).

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Average visibility in September
Sumartin, Croatia

Average visibility in September - Sumartin, 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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Sumartin, Croatia

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