September weather forecastGranier, France
September
Weather in September
September, the first month of the autumn in Granier, is still a mild month, with an average temperature ranging between max 13°C (55.4°F) and min 3.5°C (38.3°F).Temperature
In the transition to September, Granier observes a minor drop in the average high-temperature, shifting from an enjoyable 17.1°C (62.8°F) in August to a moderate 13°C (55.4°F). Granier's average low-temperature for the month of September records at a cold 3.5°C (38.3°F).Humidity
In Granier, the average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall in Granier. Rain falls for 15.7 days and accumulates 45mm (1.77") of precipitation.Snowfall
January through June, September through December are months with snowfall in Granier. September is the first month it typically snows. Throughout September, in the average 0.5 snowfall days, it receives 2mm (0.08") of snow. In Granier, France, during the entire year, snow falls for 98.5 days and aggregates up to 3799mm (149.57") of snow.Daylight
The average length of the day in September in Granier is 12h and 32min.On the first day of September in Granier, sunrise is at 06:55 and sunset at 20:11. On the last day of the month, sunrise is at 07:31 and sunset at 19:15 CEST.
Sunshine
In Granier, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Granier, France, is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 2 in September interprets into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Granier, France
- Average high temperature in September: 13°C
The warmest month (with the highest average high temperature) is August (17.1°C).
The month with the lowest average high temperature is January (-2.4°C).
- Average low temperature in September: 3.5°C
The months with the highest average low temperature are July and August (6°C).
The coldest months (with the lowest average low temperature) are January and February (-11.9°C).
Average pressure in September
Granier, France
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1014.9mbar).
Average wind speed in September
Granier, France
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is December (7.6km/h).
The calmest month (with the lowest average wind speed) is September (5.9km/h).
Average humidity in September
Granier, France
- Average humidity in September: 80%
The months with the highest relative humidity are February and March (90%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Granier, France
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is December (141mm).
The driest month (with the least rainfall) is September (45mm).
Average rainfall days in September
Granier, France
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in September
Granier, France
- Average snowfall in September: 2mm
The month with the highest snowfall is December (954mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Granier, France
- Average snowfall days in September: 0.5 days
The month with the highest number of snowfall days is February (18.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Granier, France
- Average daylight in September: 12h and 30min
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 36min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Granier, France
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is April (7.3 days).
Average UV index in September
Granier, France
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March and November (UV index 1).
Average cloud cover in September
Granier, France
- Average cloud cover in September: 38
The month with the most cloud cover is May (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Granier, France
- Average visibility in September: 8km
The months with the highest visibility are June, July, August, September and October (8km).
The months with the lowest visibility are January, February and March (6km).
