Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from 27.3°C (81.1°F) in August to a still warm 23.4°C (74.1°F). Postira, during September nights, witnesses an average temperature marginally cooler than its daytime highs, at an agreeable 20°C (68°F).Humidity
In Postira, the average relative humidity in September is 65%.Rainfall
In Postira, during September, the rain falls for 7.2 days and regularly aggregates up to 11mm (0.43") of precipitation. In Postira, during the entire year, the rain falls for 97.2 days and collects up to 202mm (7.95") of precipitation.Snowfall
January, April through December are months without snowfall in Postira, Croatia.Sea temperature
In September, the average sea temperature in Postira is 23°C (73.4°F).Note: If cold is not your friend, swimming at 23°C (73.4°F) might be daunting. But the right mix of sunshine, wind, and external temperature can make a difference. Although wetsuits are not essential, they can enhance the swimming experience.
Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 06:18 and sunset at 19:28. On the last day of the month, sunrise is at 06:50 and sunset at 18:36 CEST.
Sunshine
The average sunshine in September in Postira is 10.7h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be on guard! The reflective nature of sand and water boosts UV exposure.
Frequently asked questions
What are the temperatures in Postira in September?
What is the average humidity in September in Postira?
How much does it rain in Postira in September?
When it does not snow in Postira?
What is the sea temperature in September in Postira?
What is the average length of the day in September in Postira?
When are sunrise and sunset in September in Postira?
How long on average sun shines in September in Postira?
What is the UV index reading in September in Postira?
Average temperature in September
Postira, 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
Postira, 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
Postira, 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
Postira, 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
Postira, 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
Postira, 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
Postira, 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
Postira, 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 sea temperature in September
Postira, Croatia
- Average sea temperature in September: 23°C
The best month for swimming (with the highest average sea temperature) is August (25°C).
The coldest months (with the lowest average sea temperature) are January, February, March and April (14°C).
Average daylight in September /
Average sunshine in September
Postira, 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 42min).
Average sunshine days in September
Postira, 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
Postira, 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
Postira, 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
Postira, 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).
Postira, Croatia
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