September weather forecastMarcheprime, France

September

Weather in September

The first month of the autumn, September, is still a warm month in Marcheprime, France, with an average temperature fluctuating between 13.8°C (56.8°F) and 24.4°C (75.9°F).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's 27.5°C (81.5°F) to a still warm 24.4°C (75.9°F). During September, Marcheprime records a consistent average nighttime temperature of 13.8°C (56.8°F).

Humidity

In September, the average relative humidity is 70%.

Rainfall

September is the month with the least rainfall. Rain falls for 8.5 days and accumulates 15mm (0.59") of precipitation.

Snowfall

January, April through November are months without snowfall in Marcheprime.

Daylight

In Marcheprime, the average length of the day in September is 12h and 31min.
On the first day of the month, sunrise is at 07:26 and sunset at 20:40. On the last day of September, sunrise is at 08:00 and sunset at 19:45 CEST.

Sunshine

In Marcheprime, the average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September in Marcheprime is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 5 during September translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

In September, the average high-temperature and low-temperature in Marcheprime are 24.4°C (75.9°F) and 13.8°C (56.8°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 30°C (86°F).

The average relative humidity in September is 70%.

September is the month with the least rainfall. Rain falls for 8.5 days and accumulates 15mm (0.59") of precipitation.

In Marcheprime, France, in September, during 8.5 rainfall days, 15mm (0.59") of precipitation is typically accumulated.

January, April through November are months without snowfall in Marcheprime, France.

The average day length in September in Marcheprime is 12h and 31min.

In September, on the first day of the month, sunrise is at 07:26 and sunset at 20:40. On the last day of the month, sunrise is at 08:00 and sunset at 19:45 CEST.

The average sunshine duration in September is 8.5h.

In September, the average daily maximum UV index in Marcheprime, France, is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Marcheprime, France

  • Average high temperature in September: 24.4°C

The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (9.8°C).

  • Average low temperature in September: 13.8°C

The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is February (4.1°C).

Average pressure in September
Marcheprime, France

  • Average pressure in September: 1018.3mbar

The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is November (1015mbar).

Average wind speed in September
Marcheprime, France

  • Average wind speed in September: 9km/h

The windiest month (with the highest average wind speed) is March (11.9km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).

Average humidity in September
Marcheprime, France

  • Average humidity in September: 70%

The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is August (68%).

Average rainfall in September
Marcheprime, France

  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is November (51mm).
The driest month (with the least rainfall) is September (15mm).

Average rainfall days in September
Marcheprime, France

  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is May (14.2 days).
The month with the least rainy days is September (8.5 days).

Average snowfall in September
Marcheprime, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (4mm).
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Marcheprime, France

  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are February and December (0.3 days).
The months with the least snowfall days are January, April, May, June, July, August, September, October and November (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in September: 8h and 30min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in September
Marcheprime, France

  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is September (19.6 days).
The months with the least sunshine days are May and June (13.8 days).

Average UV index in September
Marcheprime, France

  • Average UV index in September: 5

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in September
Marcheprime, France

  • Average cloud cover in September: 29

The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in September
Marcheprime, France

  • Average visibility in September: 9km

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