September weather forecastJuillan, France

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Juillan, France, with an average temperature fluctuating between 20.7°C (69.3°F) and 9.5°C (49.1°F).

Temperature

The average high-temperature slightly decreases in September, shifting from a moderately hot 24.3°C (75.7°F) in August to a pleasant 20.7°C (69.3°F). Juillan experiences a nighttime temperature average of 9.5°C (49.1°F) during September.

Humidity

The average relative humidity in September is 74%.

Rainfall

The month with the least rainfall in Juillan, France, is September, when the rain falls for 13.2 days and typically collects 36mm (1.42") of precipitation.

Snowfall

June through September are months without snowfall in Juillan.

Daylight

In Juillan, the average length of the day in September is 12h and 30min.
On the first day of the month, sunrise is at 07:24 and sunset at 20:34. On the last day of September, sunrise is at 07:56 and sunset at 19:42 CEST.

Sunshine

In September, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in September in Juillan is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Prioritize safety - Suggestions to prevent sun damage are offered. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

The high-temperature during September is 20.7°C (69.3°F) and the low-temperature is 9.5°C (49.1°F).

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

The month with the least rainfall is September, when the rain falls for 13.2 days and typically collects 36mm (1.42") of precipitation.

In September, in Juillan, the rain falls for 13.2 days. Throughout September, 36mm (1.42") of precipitation is accumulated.

In Juillan, snow does not fall in June through September.

In Juillan, France, in September, it doesn't snow. In October, it regularly snows.

In Juillan, the average day length in September is 12h and 30min.

In September, on the first day of the month, sunrise is at 07:24 and sunset at 20:34. On the last day of the month, in Juillan, France, sunrise is at 07:56 and sunset at 19:42 CEST.

In Juillan, France, the average sunshine duration in September is 8.9h.

In September, the average daily maximum UV index in Juillan, France, is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
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
Juillan, France

  • Average high temperature in September: 20.7°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).

Average pressure in September
Juillan, France

  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).

Average wind speed in September
Juillan, France

  • Average wind speed in September: 6.7km/h

The windiest month (with the highest average wind speed) is February (8.7km/h).
The calmest month (with the lowest average wind speed) is September (6.7km/h).

Average humidity in September
Juillan, France

  • Average humidity in September: 74%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are August and October (73%).

Average rainfall in September
Juillan, France

  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is May (92mm).
The driest month (with the least rainfall) is September (36mm).

Average rainfall days in September
Juillan, France

  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is April (19.7 days).
The month with the least rainy days is October (12.3 days).

Average snowfall in September
Juillan, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (56mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Juillan, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Juillan, 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 54min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 36min).

Average sunshine days in September
Juillan, France

  • Average sunshine days in September: 13.5 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is April (7.9 days).

Average UV index in September
Juillan, France

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Juillan, France

  • Average cloud cover in September: 27

The month with the most cloud cover is April (Cloud cover 44).
The month with the least cloud cover is September (Cloud cover 27).

Average visibility in September
Juillan, France

  • Average visibility in September: 9km

The months with the highest visibility are March, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February and April (8km).