September weather forecast
Fontainemelon, Switzerland

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September

Weather in September

The first month of the autumn, September, is still a comfortable month in Fontainemelon, Switzerland, with an average temperature ranging between min 8°C (46.4°F) and max 17.7°C (63.9°F).

Temperature

September signals a slight drop in average high-temperature, sliding from August's pleasant 21.9°C (71.4°F) to a refreshing 17.7°C (63.9°F). September nights in Fontainemelon are marked by an average low-temperature of 8°C (46.4°F).

Humidity

In September, the average relative humidity in Fontainemelon is 85%.

Rainfall

September is the month with the least rainfall. Rain falls for 16 days and accumulates 59mm (2.32") of precipitation.

Snowfall

In Fontainemelon, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 34min.
On the first day of the month, sunrise is at 06:52 and sunset at 20:12. On the last day of September, sunrise is at 07:30 and sunset at 19:13 CEST.

Sunshine

In September, the average sunshine is 8h.

UV index

In Fontainemelon, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 3 during September translates into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Fontainemelon?
The average high-temperature, in September, in Fontainemelon, is 17.7°C (63.9°F), while the average low-temperature is 8°C (46.4°F).
What is the average humidity in September in Fontainemelon?
In September, the average relative humidity in Fontainemelon is 85%.
What is the driest month in Fontainemelon?
September is the month with the least rainfall. Rain falls for 16 days and accumulates 59mm (2.32") of precipitation.
How much does it rain in Fontainemelon in September?
In Fontainemelon, Switzerland, in September, it is raining for 16 days, with typically 59mm (2.32") of accumulated precipitation.
When it does not snow in Fontainemelon?
In Fontainemelon, Switzerland, snow does not fall in June through September.
Does it snow in Fontainemelon in September?
In Fontainemelon, Switzerland, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Fontainemelon?
In September, the average day length in Fontainemelon is 12h and 34min.
What time are sunrise and sunset in September in Fontainemelon?
In September, on the first day of the month, sunrise is at 06:52 and sunset at 20:12. On the last day of the month, in Fontainemelon, sunrise is at 07:30 and sunset at 19:13 CEST.
How long on average sun shines in September in Fontainemelon?
In Fontainemelon, Switzerland, the average sunshine duration in September is 8h.
What is the UV index intensity in September in Fontainemelon?
In September, the average daily maximum UV index in Fontainemelon, Switzerland, is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASeptemberOND
Aug
September
Oct
Average high temperature
21.9°C
17.7°C
13.2°C
Average low temperature
11.6°C
8°C
4.8°C
Average pressure
1017.7mbar
1018.7mbar
1018.5mbar
Average wind speed
7.1km/h
8.2km/h
8.3km/h
Average max. wind speed
7.8km/h
8.6km/h
9km/h
Average wind speed gusts
11.3km/h
13.3km/h
13.7km/h
Average humidity
82%
85%
85%
Average rainfall
109mm
59mm
75mm
Average rainfall days
19.9
16
14.9
Average snowfall
0mm
0mm
49mm
Average snowfall days
0
0.1
2.5
Average daylight
14h 1min
12h 4min
10h 5min
Average sunshine
9h 4min
8h 0min
6h 1min
Average sunshine days
8.6
11.5
13
Average UV index
4
3
3
Average cloud cover
38%
42%
46%
Average visibility
8km
8km
8km
Average temperature in September
Fontainemelon, Switzerland
  • Average high temperature in September: 17.7°C

The warmest months (with the highest average high temperature) are July and August (21.9°C).
The month with the lowest average high temperature is January (2.3°C).

  • Average low temperature in September: 8°C

The months with the highest average low temperature are July and August (11.6°C).
The coldest month (with the lowest average low temperature) is February (-3°C).

Average pressure in September
Fontainemelon, Switzerland
  • Average pressure in September: 1018.7mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in September
Fontainemelon, Switzerland
  • Average wind speed in September: 8.2km/h

The windiest month (with the highest average wind speed) is February (12km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).

Average humidity in September
Fontainemelon, Switzerland
  • Average humidity in September: 85%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (81%).

Average rainfall in September
Fontainemelon, Switzerland
  • Average rainfall in September: 59mm

The wettest month (with the highest rainfall) is June (140mm).
The driest month (with the least rainfall) is September (59mm).

Average rainfall days in September
Fontainemelon, Switzerland
  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is June (23.6 days).
The month with the least rainy days is February (8.3 days).

Average snowfall in September
Fontainemelon, Switzerland
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (515mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Fontainemelon, Switzerland
  • Average snowfall days in September: 0.1 days

The months with the highest number of snowfall days are January and February (16.3 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Fontainemelon, 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: 8h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).

Average sunshine days in September
Fontainemelon, Switzerland
  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is October (13 days).
The month with the least sunshine days is June (4.2 days).

Average UV index in September
Fontainemelon, Switzerland
  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in September
Fontainemelon, Switzerland
  • Average cloud cover in September: 42

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 38).

Average visibility in September
Fontainemelon, Switzerland
  • Average visibility in September: 8km

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is January (7km).

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