September weather forecast and climate
Kiel, Germany

What is the temperature in September in Kiel?

The average high-temperature, in September, in Kiel, is 18°C (64.4°F), while the average low-temperature is 10°C (50°F).

How much does it rain in Kiel in September?

In September, in Kiel, Germany, the rain falls for 15 days. Throughout September, 66mm (2.6") of precipitation is accumulated.

What is the sea water temperature in September in Kiel?

In Kiel, Germany, in September, the average water temperature is 17°C (62.6°F). For most, swimming in 17°C (62.6°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).
Average temperature in September - Kiel, Germany
  • Average high temperature in September: 18°C

Warmest months (with the highest average high temperature) are July and August (21°C).
The month with the lowest average high temperature is January (2°C).

  • Average low temperature in September: 10°C

Months with the highest average low temperature are July and August (12°C).
Coldest months (with the lowest average low temperature) are January and February (-2°C).

Average humidity in September - Kiel, Germany
  • Average humidity in September: 81%

Months with the highest relative humidity are January and December (87%).
Months with the lowest relative humidity are May and June (74%).

Average rainfall in September - Kiel, Germany
  • Average rainfall in September: 66mm

The wettest month (with the highest rainfall) is November (86mm).
The driest month (with the lowest rainfall) is February (40mm).

Average rainfall days in September - Kiel, Germany
  • Average rainfall days in September: 15 days

Months with the highest number of rainy days are January, November and December (18 days).
The month with the lowest number of rainy days is May (12 days).

Average sea temperature in September - Kiel, Germany
  • Average sea temperature in September: 17°C

The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is January (2.7°C).

Average daylight in September / Average sunshine in September - Kiel, Germany
  • Average daylight in September: 12.7h

The month with the longest days is June (Average daylight: 17.1h).
The month with shortest days is December (Average daylight: 7.4h).

  • Average sunshine in September: 5h

The month with most sunshine is June (Average sunshine: 7.9h).
The month with least sunshine is December (Average sunshine: 1.1h).

Average UV index in September - Kiel, Germany
  • Average UV index in September: 3

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January and December (UV index 0).

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