September weather forecastHoltgast, Germany

September

Weather in September

September, the first month of the autumn in Holtgast, is also an enjoyable month, with an average temperature fluctuating between 17.9°C (64.2°F) and 11.8°C (53.2°F).

Temperature

In Holtgast, entering September brings a subtle temperature decrement, reducing from August's pleasant 21.3°C (70.3°F) to a refreshing 17.9°C (64.2°F). Throughout September, an average low-temperature of 11.8°C (53.2°F) is experienced.

Humidity

In Holtgast, the average relative humidity in September is 81%.

Rainfall

In Holtgast, Germany, in September, it is raining for 17.7 days, with typically 42mm (1.65") of accumulated precipitation. In Holtgast, during the entire year, the rain falls for 205.9 days and collects up to 584mm (22.99") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September is 12h and 41min.
On the first day of the month, sunrise is at 06:39 and sunset at 20:19. On the last day of September, in Holtgast, sunrise is at 07:30 and sunset at 19:08 CEST.

Sunshine

The average sunshine in September is 7.2h.

UV index

In September, the average daily maximum UV index in Holtgast is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum UV index of 4 during September leads to these instructions:
Exercise prevention - Precautions against solar damage are endorsed. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

The average high-temperature, in September, in Holtgast, is 17.9°C (64.2°F), while the average low-temperature is 11.8°C (53.2°F).

In September, the average relative humidity is 81%.

In Holtgast, during September, the rain falls for 17.7 days and regularly aggregates up to 42mm (1.65") of precipitation.

In Holtgast, snow does not fall in May through October.

The average day length in September in Holtgast, Germany, is 12h and 41min.

On the first day of September in Holtgast, sunrise is at 06:39 and sunset at 20:19. On the last day of the month, sunrise is at 07:30 and sunset at 19:08 CEST.

In Holtgast, Germany, the average sunshine duration in September is 7.2h.

The average daily maximum UV index in September in Holtgast is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from 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
Holtgast, Germany

  • Average high temperature in September: 17.9°C

The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (4.1°C).

  • Average low temperature in September: 11.8°C

The month with the highest average low temperature is August (14.1°C).
The coldest months (with the lowest average low temperature) are January and February (0.8°C).

Average pressure in September
Holtgast, Germany

  • Average pressure in September: 1016.2mbar

The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).

Average wind speed in September
Holtgast, Germany

  • Average wind speed in September: 15.9km/h

The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is August (14.7km/h).

Average humidity in September
Holtgast, Germany

  • Average humidity in September: 81%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are April and August (79%).

Average rainfall in September
Holtgast, Germany

  • Average rainfall in September: 42mm

The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (26mm).

Average rainfall days in September
Holtgast, Germany

  • Average rainfall days in September: 17.7 days

The month with the highest number of rainy days is August (21.2 days).
The month with the least rainy days is February (13.3 days).

Average snowfall in September
Holtgast, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (36mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Holtgast, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Holtgast, Germany

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in September: 7h and 12min

The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in September
Holtgast, Germany

  • Average sunshine days in September: 8.6 days

The month with the most sunshine days is April (14.2 days).
The month with the least sunshine days is December (6.7 days).

Average UV index in September
Holtgast, Germany

  • Average UV index in September: 4

The month with the highest UV index is 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
Holtgast, Germany

  • Average cloud cover in September: 48

The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 41).

Average visibility in September
Holtgast, Germany

  • Average visibility in September: 9km

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