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
With the onset of September, Billings experiences a modest temperature adjustment, with the average high-temperature receding from a moderately hot 25.4°C (77.7°F) in August to a pleasant 20.3°C (68.5°F). Billings records an average low-temperature of 11°C (51.8°F) throughout the month of September.Humidity
In Billings, Germany, the average relative humidity in September is 73%.Rainfall
In Billings, during September, the rain falls for 10.7 days and regularly aggregates up to 25mm (0.98") of precipitation. In Billings, Germany, during the entire year, the rain falls for 157.6 days and collects up to 360mm (14.17") of precipitation.Snowfall
In Billings, snow does not fall in April through September.Daylight
In Billings, the average length of the day in September is 12h and 37min.On the first day of the month, sunrise is at 06:41 and sunset at 20:08. On the last day of September, sunrise is at 07:24 and sunset at 19:05 CEST.
Sunshine
In Billings, Germany, the average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September in Billings, Germany, is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Billings?
What is the average humidity in September in Billings?
How much does it rain in Billings in September?
When it does not snow in Billings?
Does it snow in Billings in September?
How many hours of daylight does Billings have in September?
What time are sunrise and sunset in September in Billings?
How long on average sun shines in September in Billings?
How high is the UV index in September in Billings?
Average temperature in September
Billings, Germany
- Average high temperature in September: 20.3°C
The warmest month (with the highest average high temperature) is August (25.4°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).
Average pressure in September
Billings, Germany
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).
Average wind speed in September
Billings, Germany
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in September
Billings, Germany
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in September
Billings, Germany
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Billings, Germany
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in September
Billings, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (28mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Billings, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 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
Billings, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Billings, Germany
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is June (11.7 days).
Average UV index in September
Billings, Germany
- Average UV index in September: 4
The months with the highest UV index are May, 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
Billings, Germany
- Average cloud cover in September: 36
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Billings, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
