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 subtle temperature drop, shifting from an enjoyable 18.2°C (64.8°F) in August to a mild 13.7°C (56.7°F). An average low-temperature of 3.8°C (38.8°F) is common during the nights of September.Humidity
In Saint-Étienne-de-Cuines, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall in Saint-Étienne-de-Cuines. Rain falls for 11.9 days and accumulates 26mm (1.02") of precipitation.Snowfall
Months with snowfall are January through June, August through December. In Saint-Étienne-de-Cuines, in September, snow falls for 0.8 days, with typically accumulated 3mm (0.12") of snow. Throughout the year, in Saint-Étienne-de-Cuines, there are 98.2 snowfall days, and 1904mm (74.96") of snow is accumulated.Daylight
The average length of the day in September in Saint-Étienne-de-Cuines is 12h and 32min.On the first day of September, sunrise is at 06:57 and sunset at 20:12. On the last day of the month, sunrise is at 07:32 and sunset at 19:16 CEST.
Sunshine
In Saint-Étienne-de-Cuines, the average sunshine in September is 8.9h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Exercise prevention - Warding off sunburn is urged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What is the usual temperature for Saint-Étienne-de-Cuines in September?
What is the average humidity in September in Saint-Étienne-de-Cuines?
What is the driest month in Saint-Étienne-de-Cuines?
How many days does it rain in September in Saint-Étienne-de-Cuines?
How many days does it snow in September in Saint-Étienne-de-Cuines?
What is the average length of the day in September in Saint-Étienne-de-Cuines?
When are sunrise and sunset in September in Saint-Étienne-de-Cuines?
How long on average sun shines in September in Saint-Étienne-de-Cuines?
What is the UV index intensity in September in Saint-Étienne-de-Cuines?
Average temperature in September
Saint-Étienne-de-Cuines, France
- Average high temperature in September: 13.7°C
The warmest month (with the highest average high temperature) is August (18.2°C).
The month with the lowest average high temperature is January (-1.8°C).
- Average low temperature in September: 3.8°C
The month with the highest average low temperature is August (6.3°C).
The coldest month (with the lowest average low temperature) is January (-11.8°C).
Average pressure in September
Saint-Étienne-de-Cuines, France
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1014.8mbar).
Average wind speed in September
Saint-Étienne-de-Cuines, France
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is November (7.9km/h).
The calmest month (with the lowest average wind speed) is September (6km/h).
Average humidity in September
Saint-Étienne-de-Cuines, France
- Average humidity in September: 78%
The months with the highest relative humidity are February and March (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Saint-Étienne-de-Cuines, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Saint-Étienne-de-Cuines, France
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is June (16.2 days).
The month with the least rainy days is December (3.5 days).
Average snowfall in September
Saint-Étienne-de-Cuines, France
- Average snowfall in September: 3mm
The month with the highest snowfall is December (446mm).
The month with the least snowfall is July (0mm).
Average snowfall days in September
Saint-Étienne-de-Cuines, France
- Average snowfall days in September: 0.8 days
The month with the highest number of snowfall days is March (15.3 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in September /
Average sunshine in September
Saint-Étienne-de-Cuines, France
- 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: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Saint-Étienne-de-Cuines, France
- Average sunshine days in September: 14.6 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in September
Saint-Étienne-de-Cuines, France
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Saint-Étienne-de-Cuines, France
- Average cloud cover in September: 34
The month with the most cloud cover is May (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Saint-Étienne-de-Cuines, France
- Average visibility in September: 8km
The months with the highest visibility are June, July, August, September, October and November (8km).
The month with the lowest visibility is January (6km).
Saint-Étienne-de-Cuines, France
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