Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
Heimbach records a mild change in average high-temperature during September, easing from a pleasant 22.7°C (72.9°F) in August to a refreshing 18.5°C (65.3°F). During September, the average low-temperature in Heimbach is a cool 10.3°C (50.5°F).Humidity
In Heimbach, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 23mm (0.91") of precipitation is accumulated. Throughout the year, in Heimbach, there are 166.4 rainfall days, and 370mm (14.57") of precipitation is accumulated.Snowfall
In Heimbach, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 37min.On the first day of September in Heimbach, sunrise is at 06:49 and sunset at 20:18. On the last day of the month, sunrise is at 07:33 and sunset at 19:14 CEST.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a regular UV index of 3 translates into these guidelines:
Heed the precautions - It is counselled to guard against solar damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Heimbach in September?
What is the average humidity in September in Heimbach?
How much does it rain in Heimbach in September?
When it does not snow in Heimbach?
How many hours of daylight does Heimbach have in September?
When is the sunrise / sunset in September in Heimbach?
How long on average sun shines in September in Heimbach?
What is the UV index intensity in September in Heimbach?
Average temperature in September
Heimbach, Germany
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (22.7°C).
The month with the lowest average high temperature is January (4°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (-0.1°C).
Average pressure in September
Heimbach, Germany
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.3mbar).
Average wind speed in September
Heimbach, Germany
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Heimbach, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Heimbach, Germany
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is June (44mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Heimbach, Germany
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (11.1 days).
Average snowfall in September
Heimbach, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (43mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Heimbach, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.7 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
Heimbach, Germany
- Average daylight in September: 12h and 4min
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 1min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in September
Heimbach, Germany
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Heimbach, 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
Heimbach, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Heimbach, Germany
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
