September weather forecastTöss, Switzerland

September

Weather in September

September, the first month of the autumn in Töss, is still a refreshing month, with an average temperature fluctuating between 8.1°C (46.6°F) and 19.6°C (67.3°F).

Temperature

September brings a slight decrease in temperature, down from a warm 24.4°C (75.9°F) in August to an enjoyable 19.6°C (67.3°F). Throughout September, Töss records an average temperature of 8.1°C (46.6°F) at night.

Humidity

In Töss, the average relative humidity in September is 81%.

Rainfall

September is the month with the least rainfall. Rain falls for 9.9 days and accumulates 29mm (1.14") of precipitation.

Snowfall

In Töss, 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 September in Töss, Switzerland, sunrise is at 06:44 and sunset at 20:05. On the last day of the month, sunrise is at 07:23 and sunset at 19:06 CEST.

Sunshine

The average sunshine in September in Töss is 8.7h.

UV index

In Töss, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, the maximum UV index of 4 suggests this advice:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Stay sun-safe with clothing that is both closely woven and worn loosely.

Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

September temperatures in Töss, Switzerland, vary between a high-temperature of 19.6°C (67.3°F) and a low-temperature of 8.1°C (46.6°F).

In Töss, Switzerland, the average relative humidity in September is 81%.

September is the month with the least rainfall in Töss. Rain falls for 9.9 days and accumulates 29mm (1.14") of precipitation.

In Töss, in September, during 9.9 rainfall days, 29mm (1.14") of precipitation is typically accumulated.

June through September are months without snowfall in Töss.

In Töss, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Töss, Switzerland, is 12h and 34min.

On the first day of September, sunrise is at 06:44 and sunset at 20:05. On the last day of the month, sunrise is at 07:23 and sunset at 19:06 CEST.

In September, the average sunshine duration in Töss is 8.7h.

In Töss, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

24.4°C

19.6°C

14.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7km/h

7.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

16.9

19.8

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Töss, Switzerland

Average high temperature in September: 19.6°C

The warmest month (with the highest average high temperature) is July (24.6°C).
The month with the lowest average high temperature is January (3.3°C).

Average low temperature in September: 8.1°C

The months with the highest average low temperature are July and August (12.1°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).

Average pressure in September
Töss, Switzerland

Average pressure in September: 1018.7mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in September
Töss, Switzerland

Average wind speed in September: 6.5km/h

The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

Average humidity in September
Töss, Switzerland

Average humidity in September: 81%

The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in September
Töss, Switzerland

Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is December (82mm).
The driest month (with the least rainfall) is September (29mm).

Average rainfall days in September
Töss, Switzerland

Average rainfall days in September: 9.9 days

The month with the highest number of rainy days is May (18.4 days).
The months with the least rainy days are September and November (9.9 days).

Average snowfall in September
Töss, Switzerland

Average snowfall in September: 0mm

The month with the highest snowfall is January (182mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Töss, Switzerland

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Töss, Switzerland

Average daylight in September: 12h and 36min

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 42min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Töss, Switzerland

Average sunshine days in September: 19 days

The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is February (11.1 days).

Average UV index in September
Töss, Switzerland

Average UV index in September: 4

The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in September
Töss, Switzerland

Average cloud cover in September: 38

The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Töss, Switzerland

Average visibility in September: 8km

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