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
Weather in September
Temperature
The onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 23.8°C (74.8°F) in August to an enjoyable 18.9°C (66°F). September's nights in Alfeld observe an average temperature of 10.4°C (50.7°F).Humidity
In Alfeld, the average relative humidity in September is 77%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 24mm (0.94") of precipitation is accumulated. In Alfeld, during the entire year, the rain falls for 158.9 days and collects up to 355mm (13.98") of precipitation.Snowfall
In Alfeld, snow does not fall in May through October.Daylight
In September, the average length of the day in Alfeld is 12h and 39min.On the first day of the month, sunrise is at 06:33 and sunset at 20:07. On the last day of September, in Alfeld, Germany, sunrise is at 07:20 and sunset at 19:00 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Alfeld, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 in September translates into these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Alfeld in September?
What is the average humidity in September in Alfeld?
How much does it rain in Alfeld in September?
When it does not snow in Alfeld?
What is the average length of the day in September in Alfeld?
When is the sunrise / sunset in September in Alfeld?
How many hours of sunshine does Alfeld have in September?
What is the UV index intensity in September in Alfeld?
Average temperature in September
Alfeld, Germany
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (-1.2°C).
Average pressure in September
Alfeld, 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 (1013.2mbar).
Average wind speed in September
Alfeld, Germany
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is December (15.6km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Alfeld, Germany
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Alfeld, Germany
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is June (41mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Alfeld, Germany
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Alfeld, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (46mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Alfeld, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.2 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
Alfeld, 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 48min).
- 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 24min).
Average sunshine days in September
Alfeld, Germany
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Alfeld, 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
Alfeld, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Alfeld, 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).
Alfeld, Germany
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