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
A change in temperatures is noted as August gives way to September, with average highs reducing from a tropical 30.8°C (87.4°F) to a moderately hot 25.7°C (78.3°F). An average nighttime temperature of 14.9°C (58.8°F) is witnessed throughout September.Humidity
The average relative humidity in September is 68%.Rainfall
In Crotta d'Adda, Italy, in September, during 9.8 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, in Crotta d'Adda, there are 129.9 rainfall days, and 481mm (18.94") of precipitation is accumulated.Snowfall
In Crotta d'Adda, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 32min.On the first day of the month, sunrise is at 06:43 and sunset at 19:57. On the last day of September, sunrise is at 07:18 and sunset at 19:02 CEST.
Sunshine
In September, the average sunshine is 10.1h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 5 suggests this advice:
Make use of precautions - It is urged to ward off sun damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Crotta d'Adda have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Crotta d'Adda have in September?
What is the UV index reading in September?
Average temperature in September
Crotta d'Adda, Italy
- Average high temperature in September: 25.7°C
The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (6.9°C).
- Average low temperature in September: 14.9°C
The month with the highest average low temperature is August (18.3°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Crotta d'Adda, Italy
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is May (1014.3mbar).
Average wind speed in September
Crotta d'Adda, Italy
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is March (7.6km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in September
Crotta d'Adda, Italy
- Average humidity in September: 68%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Crotta d'Adda, Italy
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is May (67mm).
The driest month (with the least rainfall) is January (19mm).
Average rainfall days in September
Crotta d'Adda, Italy
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is December (5.3 days).
Average snowfall in September
Crotta d'Adda, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Crotta d'Adda, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Crotta d'Adda, Italy
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).
Average sunshine days in September
Crotta d'Adda, Italy
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in September
Crotta d'Adda, Italy
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in September
Crotta d'Adda, Italy
- Average cloud cover in September: 23
The month with the most cloud cover is November (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in September
Crotta d'Adda, Italy
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, October, November and December (9km).
