September weather forecastLa Chaux-de-Fonds, Switzerland
September
Weather in September
September witnesses a mild dip in temperature, indicating the onset of autumn in La Chaux-de-Fonds. Despite this, the weather remains pleasant, with nights chillier than the last months but days warm enough for outdoor activities. As the city transitions into new shades of fall, the ambiance turns more serene and reflective. Nature starts to showcase its artistry, painting La Chaux-de-Fonds in the magnificent hues of fall. September heralds the arrival of autumn, a season of ethereal beauty, drawing numerous nature lovers to the city.Temperature
September signals a slight drop in average high-temperature, sliding from August's pleasant 20.2°C (68.4°F) to a refreshing 16.4°C (61.5°F). In the month of September, the nighttime temperature dips to a steady average of 6.5°C (43.7°F).Humidity
In La Chaux-de-Fonds, the average relative humidity in September is 78.3%.Rainfall
In La Chaux-de-Fonds, in September, during 10.6 rainfall days, 128mm (5.04") of precipitation is typically accumulated. Throughout the year, in La Chaux-de-Fonds, there are 149.5 rainfall days, and 1442mm (56.77") of precipitation is accumulated.Snowfall
July through September are months without snowfall in La Chaux-de-Fonds.Daylight
The average length of the day in September in La Chaux-de-Fonds is 12h and 34min.On the first day of September in La Chaux-de-Fonds, sunrise is at 06:52 and sunset at 20:12. On the last day of the month, sunrise is at 07:30 and sunset at 19:14 CEST.
Sunshine
In La Chaux-de-Fonds, the average sunshine in September is 5.3h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
La Chaux-de-Fonds, Switzerland
- Average high temperature in September: 16.4°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 6.5°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is January (-6°C).
Average humidity in September
La Chaux-de-Fonds, Switzerland
- Average humidity in September: 78.3%
The month with the highest relative humidity is January (82.6%).
The month with the lowest relative humidity is July (74.6%).
Average rainfall in September
La Chaux-de-Fonds, Switzerland
- Average rainfall in September: 128mm
The wettest month (with the highest rainfall) is May (141mm).
The driest months (with the least rainfall) are February and April (99mm).
Average rainfall days in September
La Chaux-de-Fonds, Switzerland
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (15.1 days).
The month with the least rainy days is September (10.6 days).
Average snowfall in September
La Chaux-de-Fonds, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (680mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
La Chaux-de-Fonds, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
La Chaux-de-Fonds, Switzerland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 5h and 18min
The month with the most sunshine is July (Average sunshine: 6h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).








