September weather forecastBibbiena, Italy
September
Weather in September
September, the first month of the autumn in Bibbiena, is also a moderately hot month, with an average temperature fluctuating between 12.3°C (54.1°F) and 23.4°C (74.1°F).Temperature
As August transitions into September, Bibbiena sees a drop in the average high-temperature, transitioning from a warm 29.3°C (84.7°F) to a still moderately hot 23.4°C (74.1°F). In September, Bibbiena encounters an average low-temperature of 12.3°C (54.1°F) during the night.Humidity
The average relative humidity in September in Bibbiena is 74%.Rainfall
In September, the rain falls for 9.5 days. Throughout September, 32mm (1.26") of precipitation is accumulated. Throughout the year, in Bibbiena, there are 151.4 rainfall days, and 546mm (21.5") of precipitation is accumulated.Snowfall
In Bibbiena, snow does not fall in April through October.Daylight
In September, the average length of the day in Bibbiena is 12h and 30min.On the first day of the month, sunrise is at 06:36 and sunset at 19:48. On the last day of September, sunrise is at 07:09 and sunset at 18:55 CEST.
Sunshine
In Bibbiena, the average sunshine in September is 10.2h.UV index
In September, the average daily maximum UV index in Bibbiena is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Take precautions - Protection against sun damage is advised. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bibbiena, Italy
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 12.3°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in September
Bibbiena, Italy
- Average pressure in September: 1015.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Bibbiena, Italy
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is March (11.6km/h).
The calmest month (with the lowest average wind speed) is July (7.4km/h).
Average humidity in September
Bibbiena, Italy
- Average humidity in September: 74%
The month with the highest relative humidity is November (86%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Bibbiena, Italy
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is November (79mm).
The driest month (with the least rainfall) is July (20mm).
Average rainfall days in September
Bibbiena, Italy
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is July (6.4 days).
Average snowfall in September
Bibbiena, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bibbiena, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Bibbiena, Italy
- Average daylight in September: 12h and 30min
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 12min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Bibbiena, Italy
- Average sunshine days in September: 19 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in September
Bibbiena, Italy
- 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, February, November and December (UV index 2).
Average cloud cover in September
Bibbiena, Italy
- Average cloud cover in September: 26
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Bibbiena, Italy
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).
