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 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
September
Weather in September
Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a moderately hot 28.9°C (84°F) in August to a still warm 24.3°C (75.7°F). In Bolognano, September nights witness a steady temperature drop to a refreshing 17.6°C (63.7°F).Humidity
In September, the average relative humidity in Bolognano is 65%.Rainfall
In Bolognano, in September, during 10.5 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, there are 128.6 rainfall days, and 418mm (16.46") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Bolognano, the average length of the day in September is 12h and 29min.On the first day of September in Bolognano, sunrise is at 06:30 and sunset at 19:37. On the last day of the month, sunrise is at 07:00 and sunset at 18:47 CEST.
Sunshine
The average sunshine in September is 10.9h.UV index
In Bolognano, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 5 in September transforms into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Bolognano in September?
What is the average humidity in September in Bolognano?
How many days does it rain in September in Bolognano?
When it does not snow in Bolognano?
How many hours of daylight does Bolognano have in September?
What time are sunrise and sunset in September in Bolognano?
How many hours of sunshine does Bolognano have in September?
What is the UV index intensity in September in Bolognano?
Average temperature in September
Bolognano, Italy
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (10.3°C).
- Average low temperature in September: 17.6°C
The month with the highest average low temperature is August (21.1°C).
The coldest month (with the lowest average low temperature) is January (5.6°C).
Average pressure in September
Bolognano, Italy
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Bolognano, Italy
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is February (12km/h).
The calmest month (with the lowest average wind speed) is November (9.4km/h).
Average humidity in September
Bolognano, Italy
- Average humidity in September: 65%
The months with the highest relative humidity are January and November (74%).
The months with the lowest relative humidity are July and August (60%).
Average rainfall in September
Bolognano, Italy
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is January (54mm).
The driest month (with the least rainfall) is August (20mm).
Average rainfall days in September
Bolognano, Italy
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (13.6 days).
The month with the least rainy days is August (7.2 days).
Average snowfall in September
Bolognano, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bolognano, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 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
Bolognano, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Bolognano, Italy
- Average sunshine days in September: 15.8 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (12.4 days).
Average UV index in September
Bolognano, Italy
- 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
Bolognano, Italy
- Average cloud cover in September: 19
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Bolognano, Italy
- 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).
