September weather forecastHollenbek, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Hollenbek, Germany, with an average temperature fluctuating between 18.6°C (65.5°F) and 10.6°C (51.1°F).Temperature
As Hollenbek enters September, the average high-temperature subtly lowers from the a pleasant 22.9°C (73.2°F) of August to an enjoyable 18.6°C (65.5°F). Hollenbek experiences a mean low-temperature of 10.6°C (51.1°F) during September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Hollenbek, during September, the rain falls for 15.1 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, there are 189.6 rainfall days, and 487mm (19.17") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 41min.On the first day of September, sunrise is at 06:26 and sunset at 20:06. On the last day of the month, sunrise is at 07:17 and sunset at 18:55 CEST.
Sunshine
In September, the average sunshine is 8.1h.UV index
In Hollenbek, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. It's recommended to limit sun exposure when its radiation is at its peak during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hollenbek, Germany
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 10.6°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 (-0.9°C).
Average pressure in September
Hollenbek, Germany
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is September (1016.5mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in September
Hollenbek, Germany
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in September
Hollenbek, Germany
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Hollenbek, Germany
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Hollenbek, Germany
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (12.4 days).
Average snowfall in September
Hollenbek, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (50mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Hollenbek, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.7 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
Hollenbek, 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: 8h and 6min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Hollenbek, Germany
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is April (13.3 days).
The month with the least sunshine days is December (7.2 days).
Average UV index in September
Hollenbek, Germany
- Average UV index in September: 4
The months with the highest UV index are June, July and August (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
Hollenbek, Germany
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Hollenbek, 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).
