September weather forecastHelpsen, Germany
September
Weather in September
September, the first month of the autumn in Helpsen, is also an enjoyable month, with an average temperature varying between 19.1°C (66.4°F) and 10.5°C (50.9°F).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 23.3°C (73.9°F) in August to a comfortable 19.1°C (66.4°F). Helpsen in September anticipates an average nighttime temperature of 10.5°C (50.9°F).Humidity
In Helpsen, the average relative humidity in September is 78%.Rainfall
In Helpsen, Germany, during September, the rain falls for 11.6 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, in Helpsen, there are 163.9 rainfall days, and 416mm (16.38") of precipitation is accumulated.Snowfall
In Helpsen, snow does not fall in May through October.Daylight
In Helpsen, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:35 and sunset at 20:10. On the last day of September, sunrise is at 07:23 and sunset at 19:02 CEST.
Sunshine
In September, the average sunshine is 8.1h.UV index
In Helpsen, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 during September translates into the following guidance:
Exercise prevention - Precautions against solar damage are endorsed. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Helpsen, Germany
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 10.5°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 (-0.7°C).
Average pressure in September
Helpsen, Germany
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012.7mbar).
Average wind speed in September
Helpsen, Germany
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in September
Helpsen, Germany
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Helpsen, Germany
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is December (47mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Helpsen, Germany
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is December (17.2 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in September
Helpsen, 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
Helpsen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.5 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
Helpsen, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 6min
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 12min).
Average sunshine days in September
Helpsen, Germany
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is June (16.7 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in September
Helpsen, 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, November and December (UV index 2).
Average cloud cover in September
Helpsen, Germany
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Helpsen, 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).
