September weather forecast
Stein am Rhein, Switzerland

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September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Stein am Rhein, Switzerland, with temperature in the range of an average low of 7.9°C (46.2°F) and an average high of 18.6°C (65.5°F).

Temperature

September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's warm 23.3°C (73.9°F) to a refreshing 18.6°C (65.5°F). Stein am Rhein cools down to an average low-temperature of 7.9°C (46.2°F) throughout the month of September.

Humidity

The average relative humidity in September is 82%.

Rainfall

In Stein am Rhein, in September, it is raining for 13.7 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, there are 177.1 rainfall days, and 516mm (20.31") of precipitation is accumulated.

Snowfall

In Stein am Rhein, snow does not fall in June through September.

Daylight

The average length of the day in September in Stein am Rhein is 12h and 34min.
On the first day of September in Stein am Rhein, sunrise is at 06:43 and sunset at 20:05. On the last day of the month, sunrise is at 07:22 and sunset at 19:05 CEST.

Sunshine

In September, the average sunshine in Stein am Rhein is 8.7h.

UV index

In Stein am Rhein, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In September, a regular UV index of 4 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Feb 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Stein am Rhein?
The high-temperature, in September, in Stein am Rhein, records 18.6°C (65.5°F), while the low-temperature is 7.9°C (46.2°F).
What is the average humidity in September in Stein am Rhein?
In Stein am Rhein, the average relative humidity in September is 82%.
How much does it rain in Stein am Rhein in September?
In Stein am Rhein, in September, during 13.7 rainfall days, 31mm (1.22") of precipitation is typically accumulated.
When it does not snow in Stein am Rhein?
June through September are months without snowfall.
Does it snow in Stein am Rhein in September?
In Stein am Rhein, Switzerland, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Stein am Rhein?
In Stein am Rhein, Switzerland, the average day length in September is 12h and 34min.
When are sunrise and sunset in September in Stein am Rhein?
On the first day of September in Stein am Rhein, Switzerland, sunrise is at 06:43 and sunset at 20:05. On the last day of the month, sunrise is at 07:22 and sunset at 19:05 CEST.
How long on average sun shines in September in Stein am Rhein?
In Stein am Rhein, Switzerland, the average sunshine duration in September is 8.7h.
What is the UV index intensity in September in Stein am Rhein?
The average daily maximum UV index in September in Stein am Rhein is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASeptemberOND
Aug
September
Oct
Average high temperature
23.3°C
18.6°C
13.6°C
Average low temperature
11.8°C
7.9°C
4.5°C
Average pressure
1017.6mbar
1018.7mbar
1018.6mbar
Average wind speed
6.4km/h
6.8km/h
6.8km/h
Average max. wind speed
7.1km/h
7.2km/h
7.5km/h
Average wind speed gusts
10.1km/h
11km/h
11.3km/h
Average humidity
80%
82%
85%
Average rainfall
71mm
31mm
35mm
Average rainfall days
18.3
13.7
11.9
Average snowfall
0mm
0mm
3mm
Average snowfall days
0
0.1
0.3
Average daylight
14h 1min
12h 4min
10h 5min
Average sunshine
10h 1min
8h 4min
5h 5min
Average sunshine days
9.1
14.2
16.7
Average UV index
4
4
2
Average cloud cover
34%
39%
45%
Average visibility
8km
8km
7km
Average temperature in September
Stein am Rhein, Switzerland
  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is July (23.6°C).
The month with the lowest average high temperature is January (2.6°C).

  • Average low temperature in September: 7.9°C

The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-3.4°C).

Average pressure in September
Stein am Rhein, Switzerland
  • Average pressure in September: 1018.7mbar

The month with the highest atmospheric pressure is December (1020.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).

Average wind speed in September
Stein am Rhein, Switzerland
  • Average wind speed in September: 6.8km/h

The windiest month (with the highest average wind speed) is March (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).

Average humidity in September
Stein am Rhein, Switzerland
  • Average humidity in September: 82%

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall in September
Stein am Rhein, Switzerland
  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is January (29mm).

Average rainfall days in September
Stein am Rhein, Switzerland
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (10.1 days).

Average snowfall in September
Stein am Rhein, Switzerland
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (88mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Stein am Rhein, Switzerland
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Stein am Rhein, Switzerland
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in September
Stein am Rhein, Switzerland
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (7.3 days).

Average UV index in September
Stein am Rhein, Switzerland
  • Average UV index in September: 4

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
Stein am Rhein, Switzerland
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Stein am Rhein, Switzerland
  • Average visibility in September: 8km

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

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