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
Weather in September
Temperature
The start of September involves a temperature drop, moving from 29.3°C (84.7°F) in August to a still warm 24.3°C (75.7°F). In September, Portalbera encounters an average low-temperature of 14.3°C (57.7°F) during the night.Humidity
The average relative humidity in September is 73%.Rainfall
In Portalbera, in September, during 12.6 rainfall days, 55mm (2.17") of precipitation is typically accumulated. In Portalbera, during the entire year, the rain falls for 166.5 days and collects up to 803mm (31.61") of precipitation.Snowfall
April through November are months without snowfall in Portalbera.Daylight
In Portalbera, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:45 and sunset at 19:59. On the last day of September, in Portalbera, Italy, sunrise is at 07:20 and sunset at 19:04 CEST.
Sunshine
The average sunshine in September in Portalbera is 9.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, an average UV index of 5 transforms into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the temperature in September in Portalbera?
What is the average humidity in September in Portalbera?
How many days does it rain in September in Portalbera?
When it does not snow in Portalbera?
What is the average length of the day in September in Portalbera?
What time are sunrise and sunset in September in Portalbera?
How many hours of sunshine does Portalbera have in September?
What is the UV index reading in September in Portalbera?
Average temperature in September
Portalbera, Italy
- Average high temperature in September: 24.3°C
The warmest month (with the highest average high temperature) is July (29.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 14.3°C
The month with the highest average low temperature is August (18.1°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).
Average pressure in September
Portalbera, Italy
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The months with the lowest atmospheric pressure are April and May (1014.4mbar).
Average wind speed in September
Portalbera, Italy
- Average wind speed in September: 5.5km/h
The windiest month (with the highest average wind speed) is April (7km/h).
The calmest months (with the lowest average wind speed) are August and December (5.3km/h).
Average humidity in September
Portalbera, Italy
- Average humidity in September: 73%
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Portalbera, Italy
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is November (96mm).
The driest month (with the least rainfall) is January (36mm).
Average rainfall days in September
Portalbera, Italy
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Portalbera, Italy
- Average snowfall in September: 0mm
The month with the highest snowfall is January (40mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Portalbera, Italy
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.3 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
Portalbera, 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 42min).
The month with the least sunshine is November (Average sunshine: 5h and 0min).
Average sunshine days in September
Portalbera, Italy
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in September
Portalbera, 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
Portalbera, 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 19).
Average visibility in September
Portalbera, Italy
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is November (8km).
Portalbera, Italy
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