Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Hornbek's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's pleasant 22.9°C (73.2°F) to a comfortable 18.6°C (65.5°F). During September, the average low-temperature in Hornbek, Germany, is a cool 10.6°C (51.1°F).Humidity
In Hornbek, the average relative humidity in September is 79%.Rainfall
In Hornbek, in September, during 15.1 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, there are 189.6 rainfall days, and 487mm (19.17") of precipitation is accumulated.Snowfall
In Hornbek, Germany, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 41min.On the first day of the month, sunrise is at 06:27 and sunset at 20:07. On the last day of September, sunrise is at 07:18 and sunset at 18:56 CEST.
Sunshine
In Hornbek, the average sunshine in September is 8.1h.UV index
In Hornbek, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Hornbek?
What is the average humidity in September in Hornbek?
How many days does it rain in September in Hornbek?
When it does not snow in Hornbek?
How many hours of daylight does Hornbek have in September?
When are sunrise and sunset in September in Hornbek?
How many hours of sunshine does Hornbek have in September?
What is the UV index intensity in September in Hornbek?
Average temperature in September
Hornbek, 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
Hornbek, 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
Hornbek, 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
Hornbek, 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
Hornbek, 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
Hornbek, 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
Hornbek, 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
Hornbek, 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
Hornbek, Germany
- Average daylight in September: 12h and 4min
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 1min
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
Hornbek, 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
Hornbek, 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
Hornbek, 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
Hornbek, 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).
