September weather forecastHemer, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Hemer, Germany, with an average temperature fluctuating between 18.5°C (65.3°F) and 10.1°C (50.2°F).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a pleasant 22.7°C (72.9°F) to a refreshing 18.5°C (65.3°F). Hemer encounters an average low-temperature of 10.1°C (50.2°F) during September nights.Humidity
In Hemer, the average relative humidity in September is 79%.Rainfall
The months with the least rainfall are April and September Rain falls for 13.2 days and accumulates 32mm (1.26") of rain.Snowfall
In Hemer, snow does not fall in June through September.Daylight
In September, the average length of the day in Hemer is 12h and 38min.On the first day of the month, sunrise is at 06:42 and sunset at 20:14. On the last day of September, in Hemer, sunrise is at 07:28 and sunset at 19:08 CEST.
Sunshine
In Hemer, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hemer, Germany
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (22.7°C).
The month with the lowest average high temperature is January (3.5°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).
Average pressure in September
Hemer, Germany
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in September
Hemer, Germany
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is December (14.7km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Hemer, Germany
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Hemer, Germany
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is December (76mm).
The driest months (with the least rainfall) are April and September (32mm).
Average rainfall days in September
Hemer, Germany
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is September (13.2 days).
Average snowfall in September
Hemer, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hemer, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hemer, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 18min
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 30min).
Average sunshine days in September
Hemer, Germany
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is September (13.7 days).
The month with the least sunshine days is December (6.6 days).
Average UV index in September
Hemer, 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, November and December (UV index 2).
Average cloud cover in September
Hemer, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Hemer, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, March, September, October, November and December (8km).
