September weather forecastPrimelin, France

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Primelin, France, with an average temperature varying between 18.4°C (65.1°F) and 14.5°C (58.1°F).

Temperature

The initiation of September sees an average high-temperature of a still enjoyable 18.4°C (65.1°F), showing minor variations from the previous month. Throughout September in Primelin, a minimal difference from peak daytime temperatures is noted, marking a steady low-temperature average of 14.5°C (58.1°F).

Humidity

The months with the lowest humidity are February through April, September and November, with an average relative humidity of 79%.

Rainfall

In Primelin, in September, it is raining for 8.5 days, with typically 15mm (0.59") of accumulated precipitation. In Primelin, during the entire year, the rain falls for 144.8 days and collects up to 291mm (11.46") of precipitation.

Snowfall

In Primelin, snow does not fall in February through November.

Daylight

In September, the average length of the day is 12h and 34min.
On the first day of the month, sunrise is at 07:37 and sunset at 20:59. On the last day of September, sunrise is at 08:17 and sunset at 19:59 CEST.

Sunshine

The average sunshine in September is 7.8h.

UV index

June through September, with an average maximum UV index of 5, are months with the highest UV index in Primelin, France. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In September, an average UV index of 5 transforms into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's radiation is especially intense around midday; try to stay in shade during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

September temperatures in Primelin vary between a high-temperature of 18.4°C (65.1°F) and a low-temperature of 14.5°C (58.1°F).

February through April, September and November, with an average relative humidity of 79%, are the least humid months.

In September, the average relative humidity is 79%.

In Primelin, during September, the rain falls for 8.5 days and regularly aggregates up to 15mm (0.59") of precipitation.

In Primelin, snow does not fall in February through November.

In September, the average day length in Primelin, France, is 12h and 34min.

On the first day of September in Primelin, France, sunrise is at 07:37 and sunset at 20:59. On the last day of the month, sunrise is at 08:17 and sunset at 19:59 CEST.

The average sunshine duration in September in Primelin is 7.8h.

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

In Primelin, France, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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 days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Primelin, France

  • Average high temperature in September: 18.4°C

The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is February (9.8°C).

  • Average low temperature in September: 14.5°C

The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (7.3°C).

Average pressure in September
Primelin, France

  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is September (1018.5mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).

Average wind speed in September
Primelin, France

  • Average wind speed in September: 18.7km/h

The windiest month (with the highest average wind speed) is December (27.4km/h).
The calmest month (with the lowest average wind speed) is August (18km/h).

Average humidity in September
Primelin, France

  • Average humidity in September: 79%

The months with the highest relative humidity are June, July, August and December (81%).
The months with the lowest relative humidity are February, March, April, September and November (79%).

Average rainfall in September
Primelin, France

  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is November (40mm).
The driest month (with the least rainfall) is July (14mm).

Average rainfall days in September
Primelin, France

  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is January (15.6 days).
The month with the least rainy days is September (8.5 days).

Average snowfall days in September
Primelin, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Primelin, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 7h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

Average sunshine days in September
Primelin, France

  • Average sunshine days in September: 19.2 days

The month with the most sunshine days is September (19.2 days).
The month with the least sunshine days is November (10.6 days).

Average UV index in September
Primelin, 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, March, April, November and December (UV index 3).

Average cloud cover in September
Primelin, France

  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 37).

Average visibility in September
Primelin, France

  • Average visibility in September: 10km

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