September weather forecastHélette, France

September

Weather in September

September, the first month of the autumn in Hélette, is still a pleasant month, with an average temperature fluctuating between 22.6°C (72.7°F) and 15.1°C (59.2°F).

Temperature

The arrival of September records an average high-temperature of an agreeable 22.6°C (72.7°F), closely related to the 24.4°C (75.9°F) observed in August. Hélette witnesses a consistent average low-temperature of 15.1°C (59.2°F) throughout September.

Humidity

The average relative humidity in September is 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 40mm (1.57") of precipitation.

Snowfall

In Hélette, snow does not fall in April through November.

Daylight

The average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 07:29 and sunset at 20:39. On the last day of September, sunrise is at 08:01 and sunset at 19:47 CEST.

Sunshine

In September, the average sunshine in Hélette is 8.4h.

UV index

June through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index of 5 during September leads to these instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

The high-temperature during September is 22.6°C (72.7°F) and the low-temperature is 15.1°C (59.2°F).

In September, the average relative humidity in Hélette, France, is 74%.

The month with the least rainfall is September, when the rain falls for 13.5 days and typically collects 40mm (1.57") of precipitation.

In Hélette, France, during September, the rain falls for 13.5 days and regularly aggregates up to 40mm (1.57") of precipitation.

In Hélette, snow does not fall in April through November.

The average day length in September in Hélette, France, is 12h and 30min.

In September, on the first day of the month, sunrise is at 07:29 and sunset at 20:39. On the last day of the month, in Hélette, sunrise is at 08:01 and sunset at 19:47 CEST.

In September, the average sunshine duration in Hélette is 8.4h.

June through September, with an average maximum UV index of 5, are months with the highest UV index in Hélette, France.

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hélette, France

  • Average high temperature in September: 22.6°C

The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (10.8°C).

  • Average low temperature in September: 15.1°C

The month with the highest average low temperature is August (17.1°C).
The coldest month (with the lowest average low temperature) is February (6.2°C).

Average pressure in September
Hélette, France

  • Average pressure in September: 1018.4mbar

The month with the highest atmospheric pressure is December (1021.7mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in September
Hélette, France

  • Average wind speed in September: 10.3km/h

The windiest months (with the highest average wind speed) are January and November (15.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in September
Hélette, France

  • Average humidity in September: 74%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is October (73%).

Average rainfall in September
Hélette, France

  • Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is November (119mm).
The driest month (with the least rainfall) is September (40mm).

Average rainfall days in September
Hélette, France

  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is April (17.8 days).
The month with the least rainy days is October (13 days).

Average snowfall in September
Hélette, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (5mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Hélette, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (0.8 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
Hélette, France

  • Average daylight in September: 12h and 30min

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 0min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is November (Average sunshine: 4h and 54min).

Average sunshine days in September
Hélette, France

  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in September
Hélette, France

  • Average UV index in September: 5

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in September
Hélette, France

  • Average cloud cover in September: 32

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is September (Cloud cover 32).

Average visibility in September
Hélette, France

  • Average visibility in September: 10km

The months with the highest visibility are February, March, June, August, September, October, November and December (10km).
The months with the lowest visibility are January, April, May and July (9km).