Weather in September
Temperature
A modest decline in the average high-temperature is seen during September, decreasing from an enjoyable 17°C (62.6°F) in August to a moderate 13°C (55.4°F). Nighttime temperatures in Napf consistently average a frosty 7.2°C (45°F) during September.Humidity
With an average relative humidity of 83%, September is the most humid month.Rainfall
In September, the rain falls for 11.2 days. Throughout September, 142mm (5.59") of precipitation is accumulated. In Napf, during the entire year, the rain falls for 150 days and collects up to 1708mm (67.24") of precipitation.Daylight
In Napf, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:48 and sunset at 20:07. On the last day of September, in Napf, sunrise is at 07:26 and sunset at 19:09 CEST.
Sunshine
In Napf, the average sunshine in September is 4.8h.Frequently asked questions
What is the usual temperature for Napf in September?
What is the most humid month in Napf?
What is the average humidity in September in Napf?
How much does it rain in Napf in September?
How many hours of daylight does Napf have in September?
When is the sunrise / sunset in September in Napf?
How many hours of sunshine does Napf have in September?
Average temperature in September
Napf, Switzerland
- Average high temperature in September: 13°C
The warmest month (with the highest average high temperature) is July (17.6°C).
The month with the lowest average high temperature is February (0.7°C).
- Average low temperature in September: 7.2°C
The month with the highest average low temperature is August (10.3°C).
The coldest month (with the lowest average low temperature) is February (-4.4°C).
Average humidity in September
Napf, Switzerland
- Average humidity in September: 83%
The month with the highest relative humidity is September (83%).
The month with the lowest relative humidity is January (73%).
Average rainfall in September
Napf, Switzerland
- Average rainfall in September: 142mm
The wettest month (with the highest rainfall) is May (191mm).
The driest month (with the least rainfall) is February (102mm).
Average rainfall days in September
Napf, Switzerland
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is May (15 days).
The month with the least rainy days is February (10.9 days).
Average daylight in September /
Average sunshine in September
Napf, Switzerland
- Average daylight in September: 12h and 4min
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: 4h and 5min
The month with the most sunshine is July (Average sunshine: 6h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Napf, Switzerland
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