September weather forecastHeide, Germany

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Heide, Germany, with an average temperature ranging between min 12.3°C (54.1°F) and max 17.8°C (64°F).

Temperature

September's arrival signals a moderate reduction in the average high-temperature, easing from a pleasant 21.1°C (70°F) in August to a refreshing 17.8°C (64°F). During the month of September, the temperature in Heide falls to an average of 12.3°C (54.1°F).

Humidity

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

Rainfall

In Heide, in September, it is raining for 16.9 days, with typically 48mm (1.89") of accumulated precipitation. Throughout the year, there are 188.9 rainfall days, and 540mm (21.26") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September in Heide is 12h and 42min.
On the first day of the month, sunrise is at 06:32 and sunset at 20:14. On the last day of September, in Heide, sunrise is at 07:24 and sunset at 19:02 CEST.

Sunshine

In Heide, the average sunshine in September is 7.1h.

UV index

In Heide, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.

Frequently asked questions

The high-temperature, in September, in Heide, is 17.8°C (64°F), while the low-temperature averages to 12.3°C (54.1°F).

The average relative humidity in September in Heide, Germany, is 81%.

In Heide, in September, during 16.9 rainfall days, 48mm (1.89") of precipitation is typically accumulated.

In Heide, Germany, snow does not fall in May through October.

The average day length in September is 12h and 42min.

In September, on the first day of the month, sunrise is at 06:32 and sunset at 20:14. On the last day of the month, in Heide, sunrise is at 07:24 and sunset at 19:02 CEST.

In September, the average sunshine duration in Heide, Germany, is 7.1h.

In Heide, Germany, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes 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
Heide, Germany

  • Average high temperature in September: 17.8°C

The warmest month (with the highest average high temperature) is August (21.1°C).
The month with the lowest average high temperature is January (3.5°C).

  • Average low temperature in September: 12.3°C

The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (0.3°C).

Average pressure in September
Heide, Germany

  • Average pressure in September: 1016mbar

The months with the highest atmospheric pressure are May and September (1016mbar).
The month with the lowest atmospheric pressure is November (1011.3mbar).

Average wind speed in September
Heide, Germany

  • Average wind speed in September: 16.5km/h

The windiest month (with the highest average wind speed) is December (22.9km/h).
The calmest month (with the lowest average wind speed) is August (15.2km/h).

Average humidity in September
Heide, Germany

  • Average humidity in September: 81%

The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September
Heide, Germany

  • Average rainfall in September: 48mm

The wettest month (with the highest rainfall) is August (66mm).
The driest month (with the least rainfall) is April (20mm).

Average rainfall days in September
Heide, Germany

  • Average rainfall days in September: 16.9 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (10.6 days).

Average snowfall in September
Heide, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (28mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Heide, 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
Heide, Germany

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).

  • Average sunshine in September: 7h and 6min

The month with the most sunshine is August (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).

Average sunshine days in September
Heide, Germany

  • Average sunshine days in September: 9.4 days

The month with the most sunshine days is April (14.8 days).
The month with the least sunshine days is December (8.7 days).

Average UV index in September
Heide, 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 January (UV index 1).

Average cloud cover in September
Heide, Germany

  • Average cloud cover in September: 51

The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are April and August (Cloud cover 43).

Average visibility in September
Heide, 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).