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
The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 23.4°C (74.1°F) in August to a refreshing 18.8°C (65.8°F). Throughout September, the nighttime temperature averages to a fresh 10.2°C (50.4°F).Humidity
In Holzminden, Germany, the average relative humidity in September is 78%.Rainfall
In Holzminden, in September, it is raining for 14.8 days, with typically 33mm (1.3") of accumulated precipitation. Throughout the year, in Holzminden, Germany, there are 182.8 rainfall days, and 469mm (18.46") of precipitation is accumulated.Snowfall
In Holzminden, snow does not fall in May through October.Daylight
In Holzminden, Germany, the average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 06:35 and sunset at 20:08. On the last day of September, sunrise is at 07:22 and sunset at 19:01 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Holzminden?
What is the average humidity in September in Holzminden?
How much does it rain in Holzminden in September?
When it does not snow in Holzminden?
What is the average length of the day in September in Holzminden?
When is the sunrise / sunset in September in Holzminden?
How long on average sun shines in September in Holzminden?
What is the UV index intensity in September in Holzminden?
Average temperature in September
Holzminden, Germany
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Holzminden, Germany
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in September
Holzminden, Germany
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is December (15km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Holzminden, Germany
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Holzminden, Germany
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Holzminden, Germany
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is February (11.2 days).
Average snowfall in September
Holzminden, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (51mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Holzminden, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (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
Holzminden, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Holzminden, Germany
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is October (13.8 days).
The month with the least sunshine days is December (9.1 days).
Average UV index in September
Holzminden, Germany
- Average UV index in September: 3
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
Holzminden, Germany
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Holzminden, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, March, May, September, October, November and December (8km).
