September weather forecastHalmern, Germany

September

Weather in September

September, the first month of the autumn in Halmern, is also an enjoyable month, with an average temperature ranging between min 10.8°C (51.4°F) and max 18.6°C (65.5°F).

Temperature

Halmern's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 23°C (73.4°F) to an enjoyable 18.6°C (65.5°F). Throughout September, Halmern anticipates an average low-temperature of 10.8°C (51.4°F).

Humidity

The average relative humidity in September is 80%.

Rainfall

In September, in Halmern, the rain falls for 17.2 days. Throughout September, 37mm (1.46") of precipitation is accumulated. In Halmern, Germany, during the entire year, the rain falls for 193 days and collects up to 562mm (22.13") of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 40min.
On the first day of the month, sunrise is at 06:31 and sunset at 20:08. On the last day of September, in Halmern, sunrise is at 07:20 and sunset at 18:58 CEST.

Sunshine

The average sunshine in September is 7.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 4 in September transforms into this advice:
Exercise prevention - Warding off sunburn is urged. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.

Frequently asked questions

In Halmern, in September, the average high-temperature is 18.6°C (65.5°F), and the average low-temperature is 10.8°C (51.4°F).

In Halmern, Germany, the average relative humidity in September is 80%.

In Halmern, in September, it is raining for 17.2 days, with typically 37mm (1.46") of accumulated precipitation.

May through October are months without snowfall in Halmern, Germany.

The average day length in September in Halmern, Germany, is 12h and 40min.

In September, on the first day of the month, sunrise is at 06:31 and sunset at 20:08. On the last day of the month, in Halmern, Germany, sunrise is at 07:20 and sunset at 18:58 CEST.

The average sunshine duration in September in Halmern, Germany, is 7.7h.

The average daily maximum UV index in September in Halmern, Germany, is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Halmern, Germany

  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in September: 10.8°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 (-0.8°C).

Average pressure in September
Halmern, Germany

  • Average pressure in September: 1016.7mbar

The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).

Average wind speed in September
Halmern, Germany

  • Average wind speed in September: 12.5km/h

The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (12km/h).

Average humidity in September
Halmern, Germany

  • Average humidity in September: 80%

The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is April (73%).

Average rainfall in September
Halmern, Germany

  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is July (63mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in September
Halmern, Germany

  • Average rainfall days in September: 17.2 days

The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (11.5 days).

Average snowfall in September
Halmern, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (52mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Halmern, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.5 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
Halmern, Germany

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in September: 7h and 42min

The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).

Average sunshine days in September
Halmern, Germany

  • Average sunshine days in September: 10.5 days

The month with the most sunshine days is April (14 days).
The month with the least sunshine days is December (7.7 days).

Average UV index in September
Halmern, Germany

  • 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, March, November and December (UV index 2).

Average cloud cover in September
Halmern, Germany

  • Average cloud cover in September: 47

The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 41).

Average visibility in September
Halmern, 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).