September weather forecastBolfan, Croatia
September
Weather in September
September, the first month of the autumn in Bolfan, is also an agreeable month, with an average temperature ranging between max 21.2°C (70.2°F) and min 11.1°C (52°F).Temperature
Bolfan's average high-temperature decreases in September, falling from a moderately hot 27.4°C (81.3°F) in August to an agreeable 21.2°C (70.2°F). In September, Bolfan reports a consistent average low-temperature of 11.1°C (52°F) during the nights.Humidity
The average relative humidity in September is 75%.Rainfall
In September, in Bolfan, the rain falls for 11.9 days. Throughout September, 53mm (2.09") of precipitation is accumulated. In Bolfan, during the entire year, the rain falls for 150.5 days and collects up to 599mm (23.58") of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 06:14 and sunset at 19:31. On the last day of the month, sunrise is at 06:51 and sunset at 18:35 CEST.
Sunshine
In Bolfan, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the UV index of 4 transforms into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bolfan, Croatia
- Average high temperature in September: 21.2°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 11.1°C
The months with the highest average low temperature are July and August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in September
Bolfan, Croatia
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The months with the lowest atmospheric pressure are May and June (1014.9mbar).
Average wind speed in September
Bolfan, Croatia
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is March (11.2km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Bolfan, Croatia
- Average humidity in September: 75%
The months with the highest relative humidity are January and November (84%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Bolfan, Croatia
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is May (81mm).
The driest month (with the least rainfall) is January (34mm).
Average rainfall days in September
Bolfan, Croatia
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is October (9.5 days).
Average snowfall in September
Bolfan, Croatia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (117mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Bolfan, Croatia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bolfan, Croatia
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Bolfan, Croatia
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is May (8.3 days).
Average UV index in September
Bolfan, Croatia
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Bolfan, Croatia
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Bolfan, Croatia
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and November (8km).





