Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
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?
What is the least humid month in Sainte-Adresse?
What is the average humidity in September in Sainte-Adresse?
How many days does it rain in September in Sainte-Adresse?
When it does not snow in Sainte-Adresse?
What month is the sea warmest in Sainte-Adresse?
What is the sea water temperature in September in Sainte-Adresse?
How many hours of daylight does Sainte-Adresse have in September?
When is the sunrise / sunset in September in Sainte-Adresse?
How long on average sun shines in September in Sainte-Adresse?
What is the UV index intensity in September in Sainte-Adresse?
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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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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