September weather forecast
Colmar, France

englishespañol中文
Share

Weather in September

The month of September signals the arrival of Autumn in Colmar with slightly cooler temperatures. While temperatures range from 9.6°C (49.3°F) to 19.9°C (67.8°F), the heat of the summer slowly dissipates. Rainfall reduces significantly to 20mm (0.79"), making it the driest month of the year. The days gradually begin to shorten, and a crisp, autumnal freshness starts to sneak into the evening air. The reduced rainfall and declining temperatures set the stage for a comfortable and pleasant fall season.

Temperature

The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 24.3°C (75.7°F) to a comfortable 19.9°C (67.8°F). September sees the temperature falling to a mean low of 9.6°C (49.3°F).

Humidity

In Colmar, the average relative humidity in September is 78%.

Rainfall

The month with the least rainfall in Colmar is September, when the rain falls for 10.8 days and typically collects 20mm (0.79") of precipitation.

Snowfall

In Colmar, snow does not fall in April through September.

Daylight

The average length of the day in September is 12h and 34min.
On the first day of the month, sunrise is at 06:49 and sunset at 20:11. On the last day of September, in Colmar, sunrise is at 07:29 and sunset at 19:11 CEST.

Sunshine

The average sunshine in September in Colmar is 9.1h.

UV index

In Colmar, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 4 in September translates into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
[Resources]

Frequently asked questions

What are the temperatures in Colmar in September?

In September, the average high-temperature and low-temperature are 19.9°C (67.8°F) and 9.6°C (49.3°F) respectively.

What is the average humidity in September in Colmar?

In Colmar, the average relative humidity in September is 78%.

What is the driest month in Colmar?

The month with the least rainfall in Colmar, France, is September, when the rain falls for 10.8 days and typically collects 20mm (0.79") of precipitation.

How many days does it rain in September in Colmar?

In Colmar, France, in September, during 10.8 rainfall days, 20mm (0.79") of precipitation is typically accumulated.

When it does not snow in Colmar?

In Colmar, France, snow does not fall in April through September.

Does it snow in Colmar in September?

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

How many hours of daylight does Colmar have in September?

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

When is the sunrise / sunset in September in Colmar?

In September, on the first day of the month, sunrise is at 06:49 and sunset at 20:11. On the last day of the month, sunrise is at 07:29 and sunset at 19:11 CEST.

How long on average sun shines in September in Colmar?

The average sunshine duration in September in Colmar, France, is 9.1h.

How high is the UV index in September in Colmar?

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Colmar, France

Average temperature in September - Colmar, France
  • Average high temperature in September: 19.9°C

The warmest month (with the highest average high temperature) is August (24.3°C).
The month with the lowest average high temperature is January (3.8°C).

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is August (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (-1.3°C).

[Resources]

Average pressure in September
Colmar, France

Average pressure in September - Colmar, France
  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).

[Resources]

Average wind speed in September
Colmar, France

Average wind speed in September - Colmar, France
  • Average wind speed in September: 7.3km/h

The windiest month (with the highest average wind speed) is February (10.4km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

[Resources]

Average humidity in September
Colmar, France

Average humidity in September - Colmar, France
  • Average humidity in September: 78%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April, July and August (76%).

[Resources]

Average rainfall in September
Colmar, France

Average rainfall in September - Colmar, France
  • Average rainfall in September: 20mm

The wettest month (with the highest rainfall) is June (49mm).
The driest month (with the least rainfall) is September (20mm).

[Resources]

Average rainfall days in September
Colmar, France

Average rainfall days in September - Colmar, France
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is November (10.4 days).

[Resources]

Average snowfall in September
Colmar, France

Average snowfall in September - Colmar, France
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

[Resources]

Average snowfall days in September
Colmar, France

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

The month with the highest number of snowfall days is January (6.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Colmar, France

Average daylight in September / Average sunshine in September - Colmar, France
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 9h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

[Resources]

Average sunshine days in September
Colmar, France

Average sunshine days in September - Colmar, France
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is June (9.8 days).

[Resources]

Average UV index in September
Colmar, France

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

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

[Resources]

Average cloud cover in September
Colmar, France

Average cloud cover in September - Colmar, France
  • Average cloud cover in September: 31

The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).

[Resources]

Average visibility in September
Colmar, France

Average visibility in September - Colmar, France
  • Average visibility in September: 9km

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

[Resources]

Colmar, France

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location