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
September is marked by a subtle drop in average high-temperatures, transitioning from a warm 23.8°C (74.8°F) in August to an enjoyable 19.1°C (66.4°F). In September, Heiligenroth's temperature tends to fall to an average low of 9.2°C (48.6°F) during the night.Humidity
In Heiligenroth, the average relative humidity in September is 79%.Rainfall
In Heiligenroth, Germany, in September, during 9.5 rainfall days, 16mm (0.63") of precipitation is typically accumulated. Throughout the year, in Heiligenroth, there are 136.4 rainfall days, and 244mm (9.61") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Heiligenroth.Daylight
In Heiligenroth, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:43 and sunset at 20:13. On the last day of September, sunrise is at 07:28 and sunset at 19:08 CEST.
Sunshine
In Heiligenroth, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Heiligenroth is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Heiligenroth?
What is the average humidity in September in Heiligenroth?
How many days does it rain in September in Heiligenroth?
When it does not snow in Heiligenroth?
What is the average length of the day in September in Heiligenroth?
When are sunrise and sunset in September in Heiligenroth?
How long on average sun shines in September in Heiligenroth?
What is the UV index reading in September in Heiligenroth?
Average temperature in September
Heiligenroth, Germany
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).
Average pressure in September
Heiligenroth, Germany
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in September
Heiligenroth, Germany
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Heiligenroth, Germany
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in September
Heiligenroth, Germany
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is August (33mm).
The driest month (with the least rainfall) is January (15mm).
Average rainfall days in September
Heiligenroth, Germany
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Heiligenroth, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Heiligenroth, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Heiligenroth, 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 2min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Heiligenroth, Germany
- Average sunshine days in September: 17.5 days
The months with the most sunshine days are April, September and October (17.5 days).
The month with the least sunshine days is December (12.4 days).
Average UV index in September
Heiligenroth, Germany
- Average UV index in September: 3
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, November and December (UV index 2).
Average cloud cover in September
Heiligenroth, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Heiligenroth, Germany
- Average visibility in September: 8km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, February, October, November and December (7km).
