Normal weather for Alsace in September
It's pleasantly warm in September in Alsace with an average temperature of 22°C. Temperatures this month range from a low of 19°C to a high of 26°C. At night, you can expect temperatures between 9°C and 14°C.
In September, there is an average of 48 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the South.
Want nice weather? Then September is a great time to be in Alsace. You’ll have pleasant temperatures and not too much rain this month.
Alsace in September |
UK | ||
|---|---|---|---|
 Average Temperature |
22°C | 20°C | |
 High Temp |
26°C | 22°C | |
| Low Temp |
19°C | 17°C | |
 Total Precipitation |
48 mm | 44 mm | |
| Rainy Days |
8 days | 8 days | |
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
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Start of September
The month of September starts in Alsace with warm temperatures, averaging around 24°C during the day and nights close to 13°C. There’s little chance of precipitation. The weather is mostly sunny and dry.
Mid-September
By mid-September, the average daytime temperature drops to around 23°C, with nights close to 12°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of September
By the end of September, the average daytime temperature in Alsace will be around 21°C, with nights close to 10°C. A shower might show up, but overall the weather will be dry and sunny.
Temperature records
With 32°C, Alsace hit the highest temperature in the last 10 years in September 2023. The lowest daytime temperature in this month was 9°C in 2020. The extreme night temperatures ranged from a low of 2°C to a high of 19°C.
Check out the climate of Alsace for all months and discover the best travel time
Curious about the climate in other parts of France? Check out the weather and climate in places like Paris, Côte d'Azur, or have a look at other destinations in France.
August
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Daily Temperature in September in Alsace
This chart shows the average daily temperatures, both day and night, for each day in September in Alsace, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Alsace
The chart below shows the average daily precipitation in September for Alsace, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 8 days of rain in Alsace.
Daily UV Index in September in Alsace
This chart shows the average daily UV index in September in Alsace, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Alsace Over the Years
This chart shows the average temperature in September in Alsace, measured in degrees Celsius, over the past years.
Total Precipitation in September in Alsace Over the Years
This chart shows the average precipitation in September in Alsace, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Alsace
Click on a specific day in September for detailed info on the typical weather on that day in Alsace. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Alsace
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Average Weather in Alsace by Month
Click on a month below to see detailed weather info for Alsace. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
