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 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
September
Weather in September
Temperature
The start of September involves a subtle temperature drop, shifting from a moderately hot 24°C (75.2°F) in August to an agreeable 20.1°C (68.2°F). An average low-temperature of 11°C (51.8°F) is recorded in the month of September in Guignicourt, France.Humidity
In September, the average relative humidity in Guignicourt is 76%.Rainfall
In September, the rain falls for 9.7 days. Throughout September, 20mm (0.79") of precipitation is accumulated. In Guignicourt, during the entire year, the rain falls for 158.9 days and collects up to 329mm (12.95") of precipitation.Snowfall
In Guignicourt, snow does not fall in April through October.Daylight
In Guignicourt, the average length of the day in September is 12h and 36min.On the first day of September, sunrise is at 07:00 and sunset at 20:27. On the last day of the month, sunrise is at 07:43 and sunset at 19:24 CEST.
Sunshine
In Guignicourt, the average sunshine in September is 7.8h.UV index
In September, the average daily maximum UV index in Guignicourt is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Guignicourt in September?
What is the average humidity in September in Guignicourt?
How many days does it rain in September in Guignicourt?
When it does not snow in Guignicourt?
What is the average length of the day in September in Guignicourt?
When are sunrise and sunset in September in Guignicourt?
How long on average sun shines in September in Guignicourt?
How high is the UV index in September in Guignicourt?
Average temperature in September
Guignicourt, France
- Average high temperature in September: 20.1°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Guignicourt, France
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.1mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Guignicourt, France
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is February (15.1km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Guignicourt, France
- Average humidity in September: 76%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Guignicourt, France
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Guignicourt, France
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is September (9.7 days).
Average snowfall in September
Guignicourt, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Guignicourt, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Guignicourt, 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 18min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Guignicourt, France
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is September (17.4 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in September
Guignicourt, 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
Guignicourt, France
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 38).
Average visibility in September
Guignicourt, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, July, August and September (9km).
The months with the lowest visibility are January, May, June, October, November and December (8km).
