September weather forecastNeffes, France
September
Weather in September
September, the first month of the autumn in Neffes, is still a refreshing month, with an average temperature varying between 6.8°C (44.2°F) and 18.8°C (65.8°F).Temperature
September indicates a minor shift in the average high-temperature, from August's warm 23.1°C (73.6°F) to a refreshing 18.8°C (65.8°F). In Neffes, a significant divergence from daytime highs is recorded, with average lows of 6.8°C (44.2°F) during September nights.Humidity
The average relative humidity in September is 71%.Rainfall
In Neffes, during September, the rain falls for 11.6 days and regularly aggregates up to 34mm (1.34") of precipitation. In Neffes, during the entire year, the rain falls for 144.7 days and collects up to 553mm (21.77") of precipitation.Snowfall
June through September are months without snowfall in Neffes.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 06:59 and sunset at 20:12. On the last day of September, in Neffes, sunrise is at 07:33 and sunset at 19:18 CEST.
Sunshine
In September, the average sunshine is 9.5h.UV index
In September, the average daily maximum UV index in Neffes is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Neffes, France
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 6.8°C
The month with the highest average low temperature is August (9.9°C).
The coldest month (with the lowest average low temperature) is February (-5.9°C).
Average pressure in September
Neffes, France
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is April (1014.5mbar).
Average wind speed in September
Neffes, France
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is February (9.4km/h).
The calmest month (with the lowest average wind speed) is September (7.3km/h).
Average humidity in September
Neffes, France
- Average humidity in September: 71%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Neffes, France
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is November (74mm).
The driest month (with the least rainfall) is July (28mm).
Average rainfall days in September
Neffes, France
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Neffes, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (119mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Neffes, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Neffes, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 6h and 24min).
Average sunshine days in September
Neffes, France
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Neffes, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Neffes, France
- Average cloud cover in September: 21
The month with the most cloud cover is February (Cloud cover 31).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Neffes, France
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (9km).
