September weather forecast and climate
Strasbourg, France

What is the temperature in September in Strasbourg?

In Strasbourg, in September, the average high-temperature is 21°C (69.8°F), and the average low-temperature is 10.6°C (51.1°F).

How much does it rain in Strasbourg in September?

In September, in Strasbourg, France, the rain falls for 8.6 days. Throughout September, 63.5mm (2.5") of precipitation is accumulated.
Average temperature in September - Strasbourg, France
  • Average high temperature in September: 21°C

The warmest month (with the highest average high temperature) is July (25.7°C).
The month with the lowest average high temperature is January (4.5°C).

  • Average low temperature in September: 10.6°C

The month with the highest average low temperature is July (14.5°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

Average humidity in September - Strasbourg, France
  • Average humidity in September: 80%

Months with the highest relative humidity are January, November and December (86%).
Months with the lowest relative humidity are April and July (72%).

Average rainfall in September - Strasbourg, France
  • Average rainfall in September: 63.5mm

The wettest month (with the highest rainfall) is May (81.9mm).
The driest month (with the lowest rainfall) is January (32.2mm).

Average rainfall days in September - Strasbourg, France
  • Average rainfall days in September: 8.6 days

The month with the highest number of rainy days is May (11.5 days).
The month with the lowest number of rainy days is February (8.1 days).

Average snowfall days in September - Strasbourg, France
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.8 days).
Months with the lowest number of snowfall days are June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Strasbourg, France
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.1h).
The month with shortest days is December (Average daylight: 8.4h).

  • Average sunshine in September: 5.5h

The month with most sunshine is June (Average sunshine: 7.5h).
The month with least sunshine is December (Average sunshine: 1.4h).

Average UV index in September - Strasbourg, France
  • Average UV index in September: 4

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, November and December (UV index 1).

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