September weather forecastHellern, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Hellern, Germany, with temperature in the range of an average low of 11°C (51.8°F) and an average high of 18.6°C (65.5°F).Temperature
Hellern's progression into September involves a minor drop in the average high-temperature, slightly receding from a pleasant 22.9°C (73.2°F) in August to a comfortable 18.6°C (65.5°F). Throughout the nights in September, Hellern experiences an average low-temperature of 11°C (51.8°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In Hellern, in September, it is raining for 12.7 days, with typically 27mm (1.06") of accumulated precipitation. In Hellern, during the entire year, the rain falls for 170.2 days and collects up to 417mm (16.42") of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:40 and sunset at 20:15. On the last day of September, sunrise is at 07:28 and sunset at 19:07 CEST.
Sunshine
In Hellern, the average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hellern, 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 (3.6°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14°C).
The coldest months (with the lowest average low temperature) are January and February (0.3°C).
Average pressure in September
Hellern, 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 (1012.5mbar).
Average wind speed in September
Hellern, Germany
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in September
Hellern, Germany
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (88%).
The months with the lowest relative humidity are April and August (74%).
Average rainfall in September
Hellern, Germany
- Average rainfall in September: 27mm
The wettest months (with the highest rainfall) are July and December (42mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Hellern, Germany
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in September
Hellern, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (45mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Hellern, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 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
Hellern, 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: 7h and 48min
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 18min).
Average sunshine days in September
Hellern, Germany
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is April (15.3 days).
The month with the least sunshine days is December (10.8 days).
Average UV index in September
Hellern, 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
Hellern, Germany
- Average cloud cover in September: 45
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
Hellern, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).





