September weather forecastGonneville-sur-Honfleur, France
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Gonneville-sur-Honfleur, France, with an average temperature ranging between min 12.9°C (55.2°F) and max 18.9°C (66°F).Temperature
On the advent of September, Gonneville-sur-Honfleur's average high-temperature exhibits a minor adjustment to a comfortable 18.9°C (66°F) from August's 20.7°C (69.3°F). During the September nights, an average temperature of 12.9°C (55.2°F) is observed.Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 79%.Rainfall
In Gonneville-sur-Honfleur, in September, it is raining for 13.9 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, in Gonneville-sur-Honfleur, there are 188.8 rainfall days, and 580mm (22.83") of precipitation is accumulated.Snowfall
In Gonneville-sur-Honfleur, snow does not fall in April through October.Daylight
In Gonneville-sur-Honfleur, the average length of the day in September is 12h and 36min.On the first day of September, sunrise is at 07:15 and sunset at 20:41. On the last day of the month, sunrise is at 07:58 and sunset at 19:39 CEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
In Gonneville-sur-Honfleur, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gonneville-sur-Honfleur, France
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (7.4°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is August (14.7°C).
The coldest months (with the lowest average low temperature) are January and February (3.8°C).
Average pressure in September
Gonneville-sur-Honfleur, 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 (1012.3mbar).
Average wind speed in September
Gonneville-sur-Honfleur, France
- Average wind speed in September: 16.6km/h
The windiest month (with the highest average wind speed) is December (24.1km/h).
The calmest month (with the lowest average wind speed) is August (15km/h).
Average humidity in September
Gonneville-sur-Honfleur, France
- Average humidity in September: 79%
The months with the highest relative humidity are January and November (84%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in September
Gonneville-sur-Honfleur, France
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (76mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Gonneville-sur-Honfleur, France
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is January (18.8 days).
The month with the least rainy days is April (13.1 days).
Average snowfall in September
Gonneville-sur-Honfleur, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Gonneville-sur-Honfleur, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Gonneville-sur-Honfleur, France
- Average daylight in September: 12h and 36min
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 18min).
- Average sunshine in September: 7h and 30min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The months with the least sunshine are January, November and December (Average sunshine: 4h and 6min).
Average sunshine days in September
Gonneville-sur-Honfleur, France
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is July (13.7 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Gonneville-sur-Honfleur, 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
Gonneville-sur-Honfleur, France
- Average cloud cover in September: 40
The months with the most cloud cover are January, November and December (Cloud cover 59).
The months with the least cloud cover are April and July (Cloud cover 39).
Average visibility in September
Gonneville-sur-Honfleur, France
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
