September weather forecastBol, Croatia
September
Weather in September
September, the first month of the autumn in Bol, is also a moderately hot 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
The advent of September brings a subtle shift in temperature, with the average high moving from 27.3°C (81.1°F) in August to a still warm 23.4°C (74.1°F). Bol notes an average temperature descent to a pleasant 20°C (68°F) in September, a small shift from its daytime peak.Humidity
In Bol, the average relative humidity in September is 65%.Rainfall
In Bol, in September, it is raining for 7.2 days, with typically 11mm (0.43") of accumulated precipitation. In Bol, 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.Sea temperature
In Bol, in September, the average water temperature is 23.9°C (75°F).Note: For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23.9°C (75°F).
Daylight
The average length of the day in September in Bol is 12h and 30min.On the first day of the month, sunrise is at 06:18 and sunset at 19:28. On the last day of September, sunrise is at 06:50 and sunset at 18:36 CEST.
Sunshine
In Bol, the average sunshine in September 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 ordinary individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Warning! The reflection of sand and water increases the UV dose.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bol, 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
Bol, 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
Bol, 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
Bol, 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
Bol, 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
Bol, 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
Bol, 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
Bol, 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
Bol, Croatia
- Average sea temperature in September: 23.9°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 and February (13.9°C).
Average daylight in September /
Average sunshine in September
Bol, 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 0min).
- 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
Bol, 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
Bol, 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
Bol, 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
Bol, 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).
