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
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a warm 23.2°C (73.8°F) in August to an enjoyable 18.5°C (65.3°F). Holldorf's nighttime temperature in September drops to an average of 10.4°C (50.7°F).Humidity
In September, the average relative humidity in Holldorf is 78%.Rainfall
In September, the rain falls for 11.1 days. Throughout September, 25mm (0.98") of precipitation is accumulated. In Holldorf, during the entire year, the rain falls for 170.8 days and collects up to 435mm (17.13") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In Holldorf, the average length of the day in September is 12h and 41min.On the first day of September in Holldorf, sunrise is at 06:17 and sunset at 19:56. On the last day of the month, sunrise is at 07:07 and sunset at 18:45 CEST.
Sunshine
The average sunshine in September in Holldorf is 8.3h.UV index
The average daily maximum UV index in September in Holldorf is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Holldorf in September?
What is the average humidity in September in Holldorf?
How much does it rain in Holldorf in September?
When it does not snow in Holldorf?
How many hours of daylight does Holldorf have in September?
When is the sunrise / sunset in September in Holldorf?
How many hours of sunshine does Holldorf have in September?
How high is the UV index in September in Holldorf?
Average temperature in September
Holldorf, Germany
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in September: 10.4°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 (-2.2°C).
Average pressure in September
Holldorf, 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 (1012.8mbar).
Average wind speed in September
Holldorf, Germany
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is December (17.9km/h).
The calmest month (with the lowest average wind speed) is August (12.3km/h).
Average humidity in September
Holldorf, Germany
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Holldorf, Germany
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Holldorf, Germany
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (11 days).
Average snowfall in September
Holldorf, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (80mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Holldorf, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holldorf, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Holldorf, Germany
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is December (6.9 days).
Average UV index in September
Holldorf, 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 and November (UV index 1).
Average cloud cover in September
Holldorf, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Holldorf, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, November and December (8km).
