September weather forecast
Sainte-Adresse, France

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Weather in September

The first month of the autumn, September, is still a refreshing month in Sainte-Adresse, France, with an average temperature ranging between max 17.9°C (64.2°F) and min 14.6°C (58.3°F).

Temperature

The arrival of September coincides with an average high-temperature of a still comfortable 17.9°C (64.2°F), indicating a minimal shift from August's 19.3°C (66.7°F). The temperature in Sainte-Adresse during September nights demonstrates a small drop from the daytime highs, settling to an average of 14.6°C (58.3°F).

Humidity

September is the least humid month, with an average relative humidity of 78%.

Rainfall

In September, the rain falls for 14 days. Throughout September, 37mm (1.46") of precipitation is accumulated. In Sainte-Adresse, during the entire year, the rain falls for 185.9 days and collects up to 521mm (20.51") of precipitation.

Snowfall

In Sainte-Adresse, snow does not fall in May through November.

Sea temperature

The month with the warmest seawater is September, with an average sea temperature of 17.8°C (64°F).
Note: Most people do not enjoy swimming in water of 17.8°C (64°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in September in Sainte-Adresse is 12h and 36min.
On the first day of September, sunrise is at 07:16 and sunset at 20:42. On the last day of the month, sunrise is at 07:58 and sunset at 19:40 CEST.

Sunshine

In Sainte-Adresse, the average sunshine in September is 7.3h.

UV index

In September, the average daily maximum UV index in Sainte-Adresse is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. To guard against the harmful effects of the Sun, minimize exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.

Frequently asked questions

What is the average September temperature in Sainte-Adresse?

September temperatures vary between a high-temperature of 17.9°C (64.2°F) and a low-temperature of 14.6°C (58.3°F).

What is the least humid month in Sainte-Adresse?

September is the least humid month in Sainte-Adresse, France, with an average relative humidity of 78%.

What is the average humidity in September in Sainte-Adresse?

In September, the average relative humidity is 78%.

How many days does it rain in September in Sainte-Adresse?

In Sainte-Adresse, France, in September, during 14 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

When it does not snow in Sainte-Adresse?

In Sainte-Adresse, France, snow does not fall in May through November.

What month is the sea warmest in Sainte-Adresse?

With an average sea temperature of 17.8°C (64°F), September is the month with the warmest seawater.

What is the sea water temperature in September in Sainte-Adresse?

In Sainte-Adresse, in September, the average water temperature is 17.8°C (64°F). For most, swimming in 17.8°C (64°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

How many hours of daylight does Sainte-Adresse have in September?

In September, the average day length is 12h and 36min.

When is the sunrise / sunset in September in Sainte-Adresse?

On the first day of September, sunrise is at 07:16 and sunset at 20:42. On the last day of the month, sunrise is at 07:58 and sunset at 19:40 CEST.

How long on average sun shines in September in Sainte-Adresse?

The average sunshine duration in September in Sainte-Adresse is 7.3h.

What is the UV index intensity in September in Sainte-Adresse?

In Sainte-Adresse, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Sainte-Adresse, France

Average temperature in September - Sainte-Adresse, France
  • Average high temperature in September: 17.9°C

The warmest month (with the highest average high temperature) is August (19.3°C).
The months with the lowest average high temperature are January and February (8.1°C).

  • Average low temperature in September: 14.6°C

The month with the highest average low temperature is August (16°C).
The coldest month (with the lowest average low temperature) is February (5.2°C).

Average pressure in September
Sainte-Adresse, France

Average pressure in September - Sainte-Adresse, France
  • Average pressure in September: 1018mbar

The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).

Average wind speed in September
Sainte-Adresse, France

Average wind speed in September - Sainte-Adresse, France
  • Average wind speed in September: 20.2km/h

The windiest month (with the highest average wind speed) is December (29.2km/h).
The calmest months (with the lowest average wind speed) are July and August (18km/h).

Average humidity in September
Sainte-Adresse, France

Average humidity in September - Sainte-Adresse, France
  • Average humidity in September: 78%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is September (78%).

Average rainfall in September
Sainte-Adresse, France

Average rainfall in September - Sainte-Adresse, France
  • Average rainfall in September: 37mm

The wettest months (with the highest rainfall) are November and December (58mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in September
Sainte-Adresse, France

Average rainfall days in September - Sainte-Adresse, France
  • Average rainfall days in September: 14 days

The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is April (12.6 days).

Average snowfall in September
Sainte-Adresse, France

Average snowfall in September - Sainte-Adresse, France
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (6mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Sainte-Adresse, France

Average snowfall days in September - Sainte-Adresse, France
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (1.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in September
Sainte-Adresse, France

Average sea temperature in September - Sainte-Adresse, France
  • Average sea temperature in September: 17.8°C

The best month for swimming (with the highest average sea temperature) is September (17.8°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).

Average daylight in September /
Average sunshine in September
Sainte-Adresse, France

Average daylight in September / Average sunshine in September - Sainte-Adresse, France
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in September: 7h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).

Average sunshine days in September
Sainte-Adresse, France

Average sunshine days in September - Sainte-Adresse, France
  • Average sunshine days in September: 13.1 days

The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (8.9 days).

Average UV index in September
Sainte-Adresse, France

Average UV index in September - Sainte-Adresse, 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 and November (UV index 2).

Average cloud cover in September
Sainte-Adresse, France

Average cloud cover in September - Sainte-Adresse, France
  • Average cloud cover in September: 42

The months with the most cloud cover are November and December (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 39).

Average visibility in September
Sainte-Adresse, France

Average visibility in September - Sainte-Adresse, France
  • Average visibility in September: 10km

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

Sainte-Adresse, France

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