September weather forecastHettstadt, Germany

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Hettstadt, Germany, with an average temperature varying between 19.2°C (66.6°F) and 10.2°C (50.4°F).

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 23.9°C (75°F) in August to a comfortable 19.2°C (66.6°F). The average temperature drops to a cool 10.2°C (50.4°F) during the night in the month of September.

Humidity

The average relative humidity in September in Hettstadt is 77%.

Rainfall

In Hettstadt, in September, during 12.9 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, there are 167.2 rainfall days, and 464mm (18.27") of precipitation is accumulated.

Snowfall

In Hettstadt, snow does not fall in May through September.

Daylight

In Hettstadt, Germany, the average length of the day in September is 12h and 37min.
On the first day of the month, sunrise is at 06:36 and sunset at 20:04. On the last day of September, in Hettstadt, Germany, sunrise is at 07:19 and sunset at 19:01 CEST.

Sunshine

In Hettstadt, the average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September in Hettstadt, Germany, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 4 during September leads to these instructions:
Take precautions - Protection against skin and eye damage is obliged. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

In Hettstadt, 19.2°C (66.6°F) is the average high-temperature and 10.2°C (50.4°F) is the average low-temperature during September.

The average relative humidity in September in Hettstadt is 77%.

In Hettstadt, Germany, in September, it is raining for 12.9 days, with typically 31mm (1.22") of accumulated precipitation.

May through September are months without snowfall in Hettstadt, Germany.

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

In Hettstadt, the average day length in September is 12h and 37min.

In September, on the first day of the month, sunrise is at 06:36 and sunset at 20:04. On the last day of the month, in Hettstadt, Germany, sunrise is at 07:19 and sunset at 19:01 CEST.

In Hettstadt, the average sunshine duration in September is 8.7h.

In Hettstadt, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hettstadt, Germany

  • Average high temperature in September: 19.2°C

The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (2.5°C).

  • Average low temperature in September: 10.2°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-1.6°C).

Average pressure in September
Hettstadt, Germany

  • Average pressure in September: 1018.2mbar

The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is November (1015mbar).

Average wind speed in September
Hettstadt, Germany

  • Average wind speed in September: 9.6km/h

The windiest month (with the highest average wind speed) is February (14.4km/h).
The calmest month (with the lowest average wind speed) is August (9.4km/h).

Average humidity in September
Hettstadt, Germany

  • Average humidity in September: 77%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (72%).

Average rainfall in September
Hettstadt, Germany

  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is May (53mm).
The driest month (with the least rainfall) is April (23mm).

Average rainfall days in September
Hettstadt, Germany

  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (10.3 days).

Average snowfall in September
Hettstadt, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (73mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Hettstadt, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.8 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
Hettstadt, Germany

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in September
Hettstadt, Germany

  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is October (16.2 days).
The months with the least sunshine days are June and July (9.8 days).

Average UV index in September
Hettstadt, Germany

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in September
Hettstadt, Germany

  • Average cloud cover in September: 38

The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Hettstadt, Germany

  • Average visibility in September: 9km

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