September weather forecast
Briançon, France

The advent of September in Briançon, France brings the first signs of approaching autumn. The mercury begins to recede, marking a gentle transition from the hot summer temperatures to cooler autumnal averages, tracing a line from 6°C (42.8°F) to 12°C (53.6°F). The sights of warm summer give way to the refreshing hues of autumn, reflected in the slight reduction in daily sunshine hours. The frequency of rainfalls increases slightly, helping to hasten the transformation from summer green to autumnal tones.

Temperature

September's onset in Briançon, France, introduces a mild reduction in the average high-temperature, from a mild 15°C (59°F) in August to a cool 12°C (53.6°F). During September nights, Briançon witnesses a consistent average temperature of 6°C (42.8°F).

Rainfall

In September, the rain falls for 12 days. Throughout September, 104mm (4.09") of precipitation is accumulated. Throughout the year, in Briançon, France, there are 169 rainfall days, and 1251mm (49.25") of precipitation is accumulated.

Daylight

In Briançon, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 06:56 and sunset at 20:10. On the last day of September, sunrise is at 07:30 and sunset at 19:15 CEST.

Sunshine

In September, the average sunshine is 6h.

UV index

The average daily maximum UV index in September in Briançon is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 6 in September suggests the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.