Weather in September
As September arrives, slight signs of autumn start to manifest. The temperature varies between -4.8°C (23.4°F) and 0.3°C (32.5°F), marking a decrease compared to August. September introduces significant changes in the environment, with the lush greenery beginning to fade. The weather conditions are typical of high-altitude environments, partitioning between the remnants of summer informality and the incoming seriousness of winter. September weather thus is characterized by a unique blend of seasons on the mountain peak.
On the first day of the month, sunrise is at 06:48 and sunset at 20:07. On the last day of September, sunrise is at 07:26 and sunset at 19:09 CEST.
[Resources]Temperature
Jungfraujoch records a slight change with September's average high-temperatures adjusting to a still wintry 0.3°C (32.5°F) from August's 3°C (37.4°F). In September, Jungfraujoch's temperature tends to fall to an average low of -4.8°C (23.4°F) during the night.Humidity
The average relative humidity in September is 67.4%.Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 06:48 and sunset at 20:07. On the last day of September, sunrise is at 07:26 and sunset at 19:09 CEST.
Sunshine
The average sunshine in September is 5.9h.Frequently asked questions
How cold is it in Jungfraujoch in September?
The average high-temperature and low-temperature in Jungfraujoch, Switzerland, during September are 0.3°C (32.5°F) and -4.8°C (23.4°F) respectively.
What is the average humidity in September in Jungfraujoch?
The average relative humidity in September in Jungfraujoch, Switzerland, is 67.4%.
How many hours of daylight does Jungfraujoch have in September?
In September, the average day length is 12h and 33min.
When are sunrise and sunset in September in Jungfraujoch?
In September, on the first day of the month, sunrise is at 06:48 and sunset at 20:07. On the last day of the month, in Jungfraujoch, sunrise is at 07:26 and sunset at 19:09 CEST.
How many hours of sunshine does Jungfraujoch have in September?
In Jungfraujoch, the average sunshine duration in September is 5.9h.
Average temperature in September
Jungfraujoch, Switzerland
- Average high temperature in September: 0.3°C
The warmest month (with the highest average high temperature) is July (3.1°C).
The month with the lowest average high temperature is February (-10.5°C).
- Average low temperature in September: -4.8°C
The month with the highest average low temperature is August (-2.2°C).
The coldest month (with the lowest average low temperature) is February (-16.4°C).
Average humidity in September
Jungfraujoch, Switzerland
- Average humidity in September: 67.4%
The month with the highest relative humidity is May (77.9%).
The month with the lowest relative humidity is October (63.4%).
Average daylight in September /
Average sunshine in September
Jungfraujoch, Switzerland
- Average daylight in September: 12h and 3min
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 5min
The month with the most sunshine is July (Average sunshine: 6h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Jungfraujoch, Switzerland
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