September weather forecast
Eggiwil, Switzerland

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September

Weather in September

September, the first month of the autumn in Eggiwil, is still a refreshing month, with temperature in the range of an average low of 5.5°C (41.9°F) and an average high of 15.6°C (60.1°F).

Temperature

The transition into September involves a small decrease in the average high-temperature, dipping slightly from a comfortable 19.9°C (67.8°F) in August to a moderate 15.6°C (60.1°F). Eggiwil observes an average low-temperature of 5.5°C (41.9°F) during September nights.

Humidity

The average relative humidity in September in Eggiwil is 82%.

Rainfall

The month with the least rainfall is September, when the rain falls for 15.9 days and typically collects 53mm (2.09") of precipitation.

Snowfall

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

Daylight

In September, the average length of the day in Eggiwil is 12h and 33min.
On the first day of the month, sunrise is at 06:49 and sunset at 20:08. On the last day of September, sunrise is at 07:26 and sunset at 19:10 CEST.

Sunshine

In September, the average sunshine in Eggiwil is 8.7h.

UV index

In September, the average daily maximum UV index in Eggiwil is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: An average maximum UV index of 3 in September leads to these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Eggiwil in September?
The high-temperature, in September, in Eggiwil, is 15.6°C (60.1°F), while the low-temperature averages to 5.5°C (41.9°F).
What is the average humidity in September in Eggiwil?
The average relative humidity in September in Eggiwil, Switzerland, is 82%.
What is the driest month in Eggiwil?
September is the month with the least rainfall in Eggiwil. Rain falls for 15.9 days and accumulates 53mm (2.09") of precipitation.
How many days does it rain in September in Eggiwil?
In September, in Eggiwil, Switzerland, the rain falls for 15.9 days. Throughout September, 53mm (2.09") of precipitation is accumulated.
When it does not snow in Eggiwil?
June through September are months without snowfall.
Does it snow in Eggiwil in September?
In Eggiwil, Switzerland, in September, it doesn't snow. In October, it regularly snows.
How many hours of daylight does Eggiwil have in September?
In Eggiwil, Switzerland, the average day length in September is 12h and 33min.
When are sunrise and sunset in September in Eggiwil?
On the first day of September in Eggiwil, Switzerland, sunrise is at 06:49 and sunset at 20:08. On the last day of the month, sunrise is at 07:26 and sunset at 19:10 CEST.
How many hours of sunshine does Eggiwil have in September?
The average sunshine duration in September in Eggiwil, Switzerland, is 8.7h.
How high is the UV index in September in Eggiwil?
In Eggiwil, Switzerland, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASeptemberOND
Aug
September
Oct
Average high temperature
19.9°C
15.6°C
11.5°C
Average low temperature
8.8°C
5.5°C
2.7°C
Average pressure
1017.8mbar
1018.5mbar
1018.5mbar
Average wind speed
6km/h
6.3km/h
6.7km/h
Average max. wind speed
6.5km/h
6.5km/h
7.1km/h
Average wind speed gusts
9.7km/h
10.2km/h
11.4km/h
Average humidity
79%
82%
80%
Average rainfall
108mm
53mm
68mm
Average rainfall days
19.3
15.9
13.5
Average snowfall
0mm
0mm
9mm
Average snowfall days
0
0
0.6
Average daylight
14h 1min
12h 4min
10h 5min
Average sunshine
10h 0min
8h 4min
6h 4min
Average sunshine days
8.2
10.6
14.8
Average UV index
4
3
2
Average cloud cover
35%
37%
35%
Average visibility
8km
8km
8km
Average temperature in September
Eggiwil, Switzerland
  • Average high temperature in September: 15.6°C

The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (0.8°C).

  • Average low temperature in September: 5.5°C

The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is February (-7°C).

Average pressure in September
Eggiwil, Switzerland
  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in September
Eggiwil, Switzerland
  • Average wind speed in September: 6.3km/h

The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).

Average humidity in September
Eggiwil, Switzerland
  • Average humidity in September: 82%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (79%).

Average rainfall in September
Eggiwil, Switzerland
  • Average rainfall in September: 53mm

The wettest month (with the highest rainfall) is May (117mm).
The driest month (with the least rainfall) is September (53mm).

Average rainfall days in September
Eggiwil, Switzerland
  • Average rainfall days in September: 15.9 days

The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (11.8 days).

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

The month with the highest snowfall is December (208mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Eggiwil, Switzerland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Eggiwil, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 18min).

Average sunshine days in September
Eggiwil, Switzerland
  • Average sunshine days in September: 10.6 days

The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is May (6.8 days).

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

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Eggiwil, Switzerland
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 35).

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

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

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