September weather forecast
Konstanz, Germany

Weather in September

September, the first month of the autumn in Konstanz, is still a comfortable month, with temperature in the range of an average low of 9°C (48.2°F) and an average high of 18.9°C (66°F).

Temperature

In September, the average high-temperature marginally drops from a moderately hot 23.4°C (74.1°F) in August to an enjoyable 18.9°C (66°F). In Konstanz, Germany, the average low-temperature is 9°C (48.2°F).

Humidity

In Konstanz, the average relative humidity in September is 79%.

Rainfall

In Konstanz, in September, during 12.5 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Konstanz, during the entire year, the rain falls for 161.9 days and collects up to 588mm (23.15") of precipitation.

Snowfall

June through September are months without snowfall in Konstanz, Germany.

Daylight

The average length of the day in September is 12h and 34min.
On the first day of the month, sunrise is at 06:41 and sunset at 20:04. On the last day of September, in Konstanz, Germany, sunrise is at 07:20 and sunset at 19:05 CEST.

Sunshine

The average sunshine in September is 9.2h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in September in Konstanz?

In Konstanz, Germany, the average relative humidity in September is 79%.

How much does it rain in Konstanz in September?

In September, in Konstanz, Germany, the rain falls for 12.5 days. Throughout September, 36mm (1.42") of precipitation is accumulated.

When it does not snow in Konstanz?

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

Does it snow in Konstanz in September?

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

What is the average length of the day in September in Konstanz?

The average day length in September in Konstanz is 12h and 34min.

When are sunrise and sunset in September in Konstanz?

On the first day of September in Konstanz, sunrise is at 06:41 and sunset at 20:04. On the last day of the month, sunrise is at 07:20 and sunset at 19:05 CEST.

How many hours of sunshine does Konstanz have in September?

In Konstanz, Germany, the average sunshine duration in September is 9.2h.

What is the UV index intensity in September in Konstanz?

The average daily maximum UV index in September in Konstanz is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Konstanz, Germany

Average temperature in September - Konstanz, Germany
  • Average high temperature in September: 18.9°C

The warmest months (with the highest average high temperature) are July and August (23.4°C).
The month with the lowest average high temperature is January (3.2°C).

  • Average low temperature in September: 9°C

The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is February (-2.7°C).

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Average pressure in September
Konstanz, Germany

Average pressure in September - Konstanz, Germany
  • Average pressure in September: 1018.7mbar

The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

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Average wind speed in September
Konstanz, Germany

Average wind speed in September - Konstanz, Germany
  • Average wind speed in September: 7.4km/h

The windiest month (with the highest average wind speed) is March (10km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).

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Average humidity in September
Konstanz, Germany

Average humidity in September - Konstanz, Germany
  • Average humidity in September: 79%

The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and July (75%).

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Average rainfall in September
Konstanz, Germany

Average rainfall in September - Konstanz, Germany
  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is August (80mm).
The driest month (with the least rainfall) is November (30mm).

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Average rainfall days in September
Konstanz, Germany

Average rainfall days in September - Konstanz, Germany
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is November (9.7 days).

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Average snowfall in September
Konstanz, Germany

Average snowfall in September - Konstanz, Germany
  • Average snowfall in September: 0mm

The months with the highest snowfall are January and February (96mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Konstanz, Germany

Average snowfall days in September - Konstanz, Germany
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (8.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
Konstanz, Germany

Average daylight in September / Average sunshine in September - Konstanz, Germany
  • Average daylight in September: 12h and 34min

The month with the longest days is June (Average daylight: 15h and 56min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 9h and 12min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in September
Konstanz, Germany

Average sunshine days in September - Konstanz, Germany
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index in September
Konstanz, Germany

Average UV index in September - Konstanz, Germany
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

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Average cloud cover in September
Konstanz, Germany

Average cloud cover in September - Konstanz, Germany
  • Average cloud cover in September: 35

The months with the most cloud cover are January and February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in September
Konstanz, Germany

Average visibility in September - Konstanz, Germany
  • Average visibility in September: 8km

The months with the highest visibility are March, April, May, June, July, August and November (9km).
The months with the lowest visibility are January, February, September, October and December (8km).

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