September weather forecastHeiningen, Germany
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Heiningen, Germany, with an average temperature fluctuating between 18.5°C (65.3°F) and 8.9°C (48°F).Temperature
September heralds a minor drop in average high-temperature, sliding from August's moderately hot 23°C (73.4°F) to an enjoyable 18.5°C (65.3°F). During the nights in September, the temperature in Heiningen averages to a chilly 8.9°C (48°F).Humidity
The average relative humidity in September in Heiningen is 81%.Rainfall
In Heiningen, in September, during 13.1 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, there are 177.1 rainfall days, and 619mm (24.37") of precipitation is accumulated.Snowfall
In Heiningen, snow does not fall in June through September.Daylight
In September, the average length of the day in Heiningen is 12h and 35min.On the first day of the month, sunrise is at 06:39 and sunset at 20:03. On the last day of September, sunrise is at 07:20 and sunset at 19:02 CEST.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index in Heiningen is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 3 in September translates into these instructions:
Ensure safety - Recommendations to avert sunburn are presented. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. 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
Average temperature in September
Heiningen, Germany
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (-2.6°C).
Average pressure in September
Heiningen, Germany
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Heiningen, Germany
- Average wind speed in September: 8.3km/h
The windiest months (with the highest average wind speed) are February, March and December (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Heiningen, Germany
- Average humidity in September: 81%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in September
Heiningen, Germany
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is May (73mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Heiningen, Germany
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is June (20 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in September
Heiningen, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (126mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Heiningen, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Heiningen, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Heiningen, Germany
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in September
Heiningen, Germany
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Heiningen, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Heiningen, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The month with the lowest visibility is January (7km).
