September weather forecastLay-Saint-Christophe, France
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Lay-Saint-Christophe, France, with an average temperature fluctuating between 9.7°C (49.5°F) and 19.5°C (67.1°F).Temperature
September's arrival comes with a mild decrease in the average high-temperature, moving subtly from a warm 23.5°C (74.3°F) in August to a refreshing 19.5°C (67.1°F). During September, Lay-Saint-Christophe consistently records a temperature low averaging a frosty 9.7°C (49.5°F).Humidity
In September, the average relative humidity in Lay-Saint-Christophe is 79%.Rainfall
In Lay-Saint-Christophe, in September, it is raining for 11.7 days, with typically 33mm (1.3") of accumulated precipitation. In Lay-Saint-Christophe, during the entire year, the rain falls for 179 days and collects up to 518mm (20.39") of precipitation.Snowfall
In Lay-Saint-Christophe, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:52 and sunset at 20:17. On the last day of September, sunrise is at 07:33 and sunset at 19:16 CEST.
Sunshine
In Lay-Saint-Christophe, the average sunshine in September is 8.4h.UV index
In Lay-Saint-Christophe, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, the UV index of 4 transforms into the following advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lay-Saint-Christophe, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (3.7°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-0.4°C).
Average pressure in September
Lay-Saint-Christophe, France
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.4mbar).
The month with the lowest atmospheric pressure is November (1014.7mbar).
Average wind speed in September
Lay-Saint-Christophe, France
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Lay-Saint-Christophe, France
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Lay-Saint-Christophe, France
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is June (62mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in September
Lay-Saint-Christophe, France
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
Lay-Saint-Christophe, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Lay-Saint-Christophe, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lay-Saint-Christophe, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Lay-Saint-Christophe, France
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is September (15.4 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in September
Lay-Saint-Christophe, 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
Lay-Saint-Christophe, France
- Average cloud cover in September: 35
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Lay-Saint-Christophe, France
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, October, November and December (8km).
