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
As September unfolds, the average high-temperature reaches a still enjoyable 17.9°C (64.2°F), hinting at a slight fluctuation from the previous month. Dieppe maintains an average low-temperature of 13.9°C (57°F) throughout September's nights.Humidity
With an average relative humidity of 79%, September is the least humid month.Rainfall
In Dieppe, France, during September, the rain falls for 13.3 days and regularly aggregates up to 27mm (1.06") of precipitation. In Dieppe, during the entire year, the rain falls for 177.4 days and collects up to 428mm (16.85") of precipitation.Snowfall
In Dieppe, snow does not fall in April through October.Sea temperature
August and September, with an average sea temperature of 17.9°C (64.2°F), are months with the warmest seawater in Dieppe.Note: Most individuals do not find swimming at 17.9°C (64.2°F) to be enjoyable. As the water temperature declines below 21°C (69.8°F), maintaining control over one's breathing becomes harder.
Daylight
In September, the average length of the day in Dieppe, France, is 12h and 37min.On the first day of the month, sunrise is at 07:11 and sunset at 20:39. On the last day of September, sunrise is at 07:54 and sunset at 19:36 CEST.
Sunshine
The average sunshine in September in Dieppe is 7.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Frequently asked questions
What are the temperatures in Dieppe in September?
What is the least humid month in Dieppe?
What is the average humidity in September in Dieppe?
How many days does it rain in September in Dieppe?
When it does not snow in Dieppe?
What months are the sea warmest in Dieppe?
How cold is the water in September in Dieppe?
How many hours of daylight does Dieppe have in September?
What time are sunrise and sunset in September in Dieppe?
How many hours of sunshine does Dieppe have in September?
What is the UV index intensity in September in Dieppe?
Average temperature in September
Dieppe, France
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The months with the lowest average high temperature are January and February (7.3°C).
- Average low temperature in September: 13.9°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is February (4.2°C).
Average pressure in September
Dieppe, France
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in September
Dieppe, France
- Average wind speed in September: 19.2km/h
The windiest month (with the highest average wind speed) is December (27.5km/h).
The calmest month (with the lowest average wind speed) is July (17.3km/h).
Average humidity in September
Dieppe, France
- Average humidity in September: 79%
The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is September (79%).
Average rainfall in September
Dieppe, France
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Dieppe, France
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is October (16.7 days).
The month with the least rainy days is April (12.4 days).
Average snowfall in September
Dieppe, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Dieppe, France
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Dieppe, France
- Average sea temperature in September: 17.9°C
The best months for swimming (with the highest average sea temperature) are August and September (17.9°C).
The coldest month (with the lowest average sea temperature) is March (8.2°C).
Average daylight in September /
Average sunshine in September
Dieppe, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
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 24min).
The months with the least sunshine are January and November (Average sunshine: 4h and 0min).
Average sunshine days in September
Dieppe, France
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in September
Dieppe, 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
Dieppe, France
- Average cloud cover in September: 40
The months with the most cloud cover are November and December (Cloud cover 60).
The months with the least cloud cover are April, July and August (Cloud cover 39).
Average visibility in September
Dieppe, 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).
Dieppe, France
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