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 moderate decline in average high-temperatures is noted in September, moving from a warm 29.2°C (84.6°F) in August to a still moderately hot 24.3°C (75.7°F). In San Colombano al Lambro, the average nighttime temperature during September is a refreshing 14.2°C (57.6°F).Humidity
The average relative humidity in September in San Colombano al Lambro, Italy, is 72%.Rainfall
In San Colombano al Lambro, in September, during 11.6 rainfall days, 62mm (2.44") of precipitation is typically accumulated. In San Colombano al Lambro, during the entire year, the rain falls for 149.2 days and collects up to 735mm (28.94") of precipitation.Snowfall
In San Colombano al Lambro, Italy, 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 06:44 and sunset at 19:59. On the last day of September, in San Colombano al Lambro, sunrise is at 07:19 and sunset at 19:04 CEST.
Sunshine
The average sunshine in September is 9.9h.UV index
The average daily maximum UV index in September in San Colombano al Lambro, Italy, is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Undertake protective steps - Preventing sun damage is advised. It's recommended to limit sun exposure when its radiation is at its peak during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in San Colombano al Lambro?
What is the average humidity in September in San Colombano al Lambro?
How many days does it rain in September in San Colombano al Lambro?
When it does not snow in San Colombano al Lambro?
How many hours of daylight does San Colombano al Lambro have in September?
What time are sunrise and sunset in September in San Colombano al Lambro?
How long on average sun shines in September in San Colombano al Lambro?
How high is the UV index in September in San Colombano al Lambro?
Average temperature in September
San Colombano al Lambro, Italy
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is July (29.3°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 14.2°C
The month with the highest average low temperature is August (18°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
San Colombano al Lambro, Italy
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The months with the lowest atmospheric pressure are April and May (1014.5mbar).
Average wind speed in September
San Colombano al Lambro, Italy
- Average wind speed in September: 5.5km/h
The windiest months (with the highest average wind speed) are March and April (7.1km/h).
The calmest month (with the lowest average wind speed) is August (5.4km/h).
Average humidity in September
San Colombano al Lambro, Italy
- Average humidity in September: 72%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
San Colombano al Lambro, Italy
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is November (92mm).
The driest month (with the least rainfall) is January (21mm).
Average rainfall days in September
San Colombano al Lambro, Italy
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is June (17.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
San Colombano al Lambro, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
San Colombano al Lambro, 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
San Colombano al Lambro, 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: 9h and 5min
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 6min).
Average sunshine days in September
San Colombano al Lambro, Italy
- Average sunshine days in September: 16 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in September
San Colombano al Lambro, Italy
- Average UV index in September: 5
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
San Colombano al Lambro, Italy
- Average cloud cover in September: 25
The month with the most cloud cover is November (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 18).
Average visibility in September
San Colombano al Lambro, Italy
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
