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
September commences with an average high-temperature of a still comfortable 18.1°C (64.6°F), showing little deviation from August's 19.8°C (67.6°F). Nighttime temperatures hover around an average low of 13.2°C (55.8°F) in September, a slight descent from daytime highs.Humidity
August and September, with an average relative humidity of 79%, are the least humid months.Rainfall
In Gouy-Saint-André, during September, the rain falls for 14.5 days and regularly aggregates up to 46mm (1.81") of precipitation. In Gouy-Saint-André, during the entire year, the rain falls for 191.1 days and collects up to 621mm (24.45") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Gouy-Saint-André, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 07:07 and sunset at 20:36. On the last day of September, sunrise is at 07:51 and sunset at 19:32 CEST.
Sunshine
In Gouy-Saint-André, the average sunshine in September is 7.1h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What are the least humid months?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Gouy-Saint-André have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Gouy-Saint-André, France
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is August (19.8°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (15.2°C).
The coldest months (with the lowest average low temperature) are January and February (3.7°C).
Average pressure in September
Gouy-Saint-André, France
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in September
Gouy-Saint-André, France
- Average wind speed in September: 18.2km/h
The windiest month (with the highest average wind speed) is December (25.6km/h).
The calmest months (with the lowest average wind speed) are July and August (17.2km/h).
Average humidity in September
Gouy-Saint-André, France
- Average humidity in September: 79%
The months with the highest relative humidity are January, November and December (84%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall in September
Gouy-Saint-André, France
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is December (83mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Gouy-Saint-André, France
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is April (13.3 days).
Average snowfall in September
Gouy-Saint-André, 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
Gouy-Saint-André, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.6 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
Gouy-Saint-André, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is November (Average sunshine: 3h and 48min).
Average sunshine days in September
Gouy-Saint-André, France
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in September
Gouy-Saint-André, France
- Average UV index in September: 4
The months with the highest UV index are 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
Gouy-Saint-André, France
- Average cloud cover in September: 43
The month with the most cloud cover is November (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 40).
Average visibility in September
Gouy-Saint-André, France
- Average visibility in September: 10km
The months with the highest visibility are March, April, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, May, November and December (9km).
