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
During the shift to September, a minor reduction in average high-temperature is observed, shifting from a pleasant 22.5°C (72.5°F) in August to a comfortable 17.9°C (64.2°F). An average low-temperature of 8.5°C (47.3°F) is common in Birstein, Germany, during the nights of September.Humidity
The average relative humidity in September is 81%.Rainfall
In Birstein, in September, during 13.4 rainfall days, 29mm (1.14") of precipitation is typically accumulated. Throughout the year, in Birstein, there are 165.4 rainfall days, and 458mm (18.03") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Birstein, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 06:38 and sunset at 20:07. On the last day of the month, sunrise is at 07:22 and sunset at 19:02 CEST.
Sunshine
In September, the average sunshine is 8h.UV index
The average daily maximum UV index in September in Birstein is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. 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 September temperatures in Birstein?
What is the average humidity in September in Birstein?
How much does it rain in Birstein in September?
When it does not snow in Birstein?
Does it snow in Birstein in September?
How many hours of daylight does Birstein have in September?
What time are sunrise and sunset in September in Birstein?
How many hours of sunshine does Birstein have in September?
What is the UV index intensity in September in Birstein?
Average temperature in September
Birstein, Germany
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (1.7°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in September
Birstein, Germany
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in September
Birstein, Germany
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is December (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Birstein, Germany
- Average humidity in September: 81%
The months with the highest relative humidity are January and December (92%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Birstein, Germany
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is November (24mm).
Average rainfall days in September
Birstein, Germany
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in September
Birstein, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (82mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Birstein, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Birstein, 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 0min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Birstein, Germany
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (15.2 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Birstein, 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, November and December (UV index 1).
Average cloud cover in September
Birstein, Germany
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Birstein, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, July and August (9km).
The month with the lowest visibility is January (6km).
