September weather forecast
Dietwiller, France

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Weather in September

The first month of the autumn, September, is still a comfortable month in Dietwiller, France, with an average temperature ranging between min 9.6°C (49.3°F) and max 19.9°C (67.8°F).

Temperature

In September, the meteorological conditions change slightly, with the average high-temperature moving from a warm 24.1°C (75.4°F) in August to a refreshing 19.9°C (67.8°F). During the month of September, Dietwiller experiences a steady low-temperature average of 9.6°C (49.3°F).

Humidity

The average relative humidity in September is 79%.

Rainfall

September is the month with the least rainfall in Dietwiller. Rain falls for 12.4 days and accumulates 33mm (1.3") of precipitation.

Snowfall

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

Daylight

The average length of the day in September in Dietwiller is 12h and 34min.
On the first day of September in Dietwiller, sunrise is at 06:49 and sunset at 20:10. On the last day of the month, sunrise is at 07:28 and sunset at 19:11 CEST.

Sunshine

In September, the average sunshine is 8.9h.

UV index

In September, the average daily maximum UV index in Dietwiller, France, is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In September, a regular UV index of 4 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

What is the temperature in September in Dietwiller?

The high-temperature, in September, in Dietwiller, is 19.9°C (67.8°F), while the low-temperature averages to 9.6°C (49.3°F).

What is the average humidity in September in Dietwiller?

The average relative humidity in September in Dietwiller, France, is 79%.

What is the driest month in Dietwiller?

September is the month with the least rainfall in Dietwiller, France. Rain falls for 12.4 days and accumulates 33mm (1.3") of precipitation.

How many days does it rain in September in Dietwiller?

In Dietwiller, France, during September, the rain falls for 12.4 days and regularly aggregates up to 33mm (1.3") of precipitation.

When it does not snow in Dietwiller?

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

Does it snow in Dietwiller in September?

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

How many hours of daylight does Dietwiller have in September?

In Dietwiller, France, the average day length in September is 12h and 34min.

When are sunrise and sunset in September in Dietwiller?

On the first day of September in Dietwiller, sunrise is at 06:49 and sunset at 20:10. On the last day of the month, sunrise is at 07:28 and sunset at 19:11 CEST.

How long on average sun shines in September in Dietwiller?

The average sunshine duration in September in Dietwiller, France, is 8.9h.

How high is the UV index in September in Dietwiller?

In September, the average daily maximum UV index in Dietwiller is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
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
Dietwiller, France

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

The warmest month (with the highest average high temperature) is August (24.1°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 (13.3°C).
The coldest month (with the lowest average low temperature) is January (-1.7°C).

Average pressure in September
Dietwiller, France

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

The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).

Average wind speed in September
Dietwiller, France

Average wind speed in September - Dietwiller, France
  • Average wind speed in September: 7.2km/h

The windiest month (with the highest average wind speed) is February (10.1km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).

Average humidity in September
Dietwiller, France

Average humidity in September - Dietwiller, France
  • 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 August (76%).

Average rainfall in September
Dietwiller, France

Average rainfall in September - Dietwiller, France
  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is June (82mm).
The driest month (with the least rainfall) is September (33mm).

Average rainfall days in September
Dietwiller, France

Average rainfall days in September - Dietwiller, France
  • Average rainfall days in September: 12.4 days

The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is October (12.2 days).

Average snowfall in September
Dietwiller, France

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

The month with the highest snowfall is December (60mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Dietwiller, France

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

The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in September
Dietwiller, France

Average sunshine days in September - Dietwiller, France
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (16 days).
The month with the least sunshine days is May (7.5 days).

Average UV index in September
Dietwiller, France

Average UV index in September - Dietwiller, France
  • 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, November and December (UV index 2).

Average cloud cover in September
Dietwiller, France

Average cloud cover in September - Dietwiller, France
  • Average cloud cover in September: 34

The months with the most cloud cover are January and December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Dietwiller, France

Average visibility in September - Dietwiller, France
  • Average visibility in September: 8km

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

Dietwiller, France

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