September weather forecastHarsum, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Harsum, Germany, with an average temperature ranging between max 18.9°C (66°F) and min 10.4°C (50.7°F).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a warm 23.8°C (74.8°F) in August to a comfortable 18.9°C (66°F). Harsum, during the nights of September, experiences an average temperature drop to a cool 10.4°C (50.7°F).Humidity
The average relative humidity in September is 77%.Rainfall
In September, in Harsum, the rain falls for 11.5 days. Throughout September, 24mm (0.94") of precipitation is accumulated. In Harsum, Germany, during the entire year, the rain falls for 158.9 days and collects up to 355mm (13.98") of precipitation.Snowfall
May through October are months without snowfall in Harsum.Daylight
In September, the average length of the day is 12h and 40min.On the first day of the month, sunrise is at 06:32 and sunset at 20:07. On the last day of September, sunrise is at 07:20 and sunset at 18:59 CEST.
Sunshine
The average sunshine in September in Harsum is 8.4h.UV index
In Harsum, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 4 translates into these guidelines:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Harsum, 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
Harsum, 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
Harsum, 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
Harsum, 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
Harsum, 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
Harsum, 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
Harsum, 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
Harsum, 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
Harsum, 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 24min
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
Harsum, 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
Harsum, 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
Harsum, 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
Harsum, 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).
