September weather forecastHeidersdorf, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Heidersdorf, Germany, with an average temperature fluctuating between 9.1°C (48.4°F) and 17.8°C (64°F).Temperature
The arrival of September signals a shift in temperature, down from a warm 23°C (73.4°F) in August to an enjoyable 17.8°C (64°F). An average temperature of 9.1°C (48.4°F) marks the nights in September.Humidity
The average relative humidity in September in Heidersdorf, Germany, is 77%.Rainfall
In Heidersdorf, in September, during 13.5 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, in Heidersdorf, there are 178.1 rainfall days, and 490mm (19.29") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Heidersdorf, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:21 and sunset at 19:51. On the last day of September, sunrise is at 07:05 and sunset at 18:46 CEST.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Heidersdorf is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Heidersdorf, Germany
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in September: 9.1°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).
Average pressure in September
Heidersdorf, Germany
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is October (1018.1mbar).
The months with the lowest atmospheric pressure are July and November (1015.1mbar).
Average wind speed in September
Heidersdorf, Germany
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Heidersdorf, Germany
- Average humidity in September: 77%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Heidersdorf, Germany
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is June (70mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Heidersdorf, Germany
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in September
Heidersdorf, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (120mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Heidersdorf, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Heidersdorf, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 42min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Heidersdorf, Germany
- Average sunshine days in September: 13.3 days
The month with the most sunshine days is October (15.1 days).
The month with the least sunshine days is June (6.7 days).
Average UV index in September
Heidersdorf, 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, November and December (UV index 1).
Average cloud cover in September
Heidersdorf, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Heidersdorf, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
