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
September's arrival aligns with a minor decrease in average high-temperatures, from August's warm 27.4°C (81.3°F) to a still moderately hot 23.6°C (74.5°F). During September, Pietralba observes a consistent average nighttime temperature of 18.3°C (64.9°F).Humidity
The average relative humidity in September in Pietralba is 70%.Rainfall
In Pietralba, during September, the rain falls for 8.6 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, in Pietralba, there are 101.4 rainfall days, and 325mm (12.8") of precipitation is accumulated.Snowfall
April through December are months without snowfall in Pietralba.Daylight
The average length of the day in September is 12h and 29min.On the first day of September in Pietralba, sunrise is at 06:48 and sunset at 19:57. On the last day of the month, sunrise is at 07:19 and sunset at 19:06 CEST.
Sunshine
The average sunshine in September in Pietralba is 10.4h.UV index
The average daily maximum UV index in September in Pietralba is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Pietralba in September?
What is the average humidity in September in Pietralba?
How much does it rain in Pietralba in September?
When it does not snow in Pietralba?
What is the average length of the day in September in Pietralba?
What time are sunrise and sunset in September in Pietralba?
How many hours of sunshine does Pietralba have in September?
What is the UV index reading in September in Pietralba?
Average temperature in September
Pietralba, France
- Average high temperature in September: 23.6°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (11.3°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is February (6.5°C).
Average pressure in September
Pietralba, France
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is December (1017.9mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in September
Pietralba, France
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is March (12.7km/h).
The calmest month (with the lowest average wind speed) is August (7.6km/h).
Average humidity in September
Pietralba, France
- Average humidity in September: 70%
The month with the highest relative humidity is November (77%).
The months with the lowest relative humidity are July and August (67%).
Average rainfall in September
Pietralba, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is October (47mm).
The driest month (with the least rainfall) is July (18mm).
Average rainfall days in September
Pietralba, France
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is November (11.1 days).
The month with the least rainy days is August (5.8 days).
Average snowfall in September
Pietralba, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (3mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Pietralba, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 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
Pietralba, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 2min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Pietralba, France
- Average sunshine days in September: 18 days
The months with the most sunshine days are July and August (22.3 days).
The month with the least sunshine days is November (17.5 days).
Average UV index in September
Pietralba, France
- 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, February, November and December (UV index 3).
Average cloud cover in September
Pietralba, France
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Pietralba, France
- 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).
