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
Weather in September
Temperature
The start of September involves a subtle temperature drop, shifting from a moderately hot 24.3°C (75.7°F) in August to a refreshing 19.6°C (67.3°F). During the month of September, an average temperature of 10.2°C (50.4°F) is noted during the nights in Rettert.Humidity
In Rettert, the average relative humidity in September is 76%.Rainfall
In Rettert, in September, it is raining for 8.4 days, with typically 10mm (0.39") of accumulated precipitation. Throughout the year, there are 116.8 rainfall days, and 183mm (7.2") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Rettert.Daylight
In September, the average length of the day in Rettert is 12h and 37min.On the first day of September, sunrise is at 06:43 and sunset at 20:12. On the last day of the month, sunrise is at 07:27 and sunset at 19:08 CEST.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Rettert, Germany, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Undertake precautions - Guarding against sun damage is counselled. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What is the average September temperature in Rettert?
What is the average humidity in September in Rettert?
How much does it rain in Rettert in September?
When it does not snow in Rettert?
What is the average length of the day in September in Rettert?
When is the sunrise / sunset in September in Rettert?
How long on average sun shines in September in Rettert?
How high is the UV index in September in Rettert?
Average temperature in September
Rettert, Germany
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is July (24.5°C).
The month with the lowest average high temperature is January (3.5°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (-1°C).
Average pressure in September
Rettert, Germany
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in September
Rettert, Germany
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is March (11.7km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in September
Rettert, Germany
- Average humidity in September: 76%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (71%).
Average rainfall in September
Rettert, Germany
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is August (26mm).
The driest month (with the least rainfall) is January (8mm).
Average rainfall days in September
Rettert, Germany
- Average rainfall days in September: 8.4 days
The months with the highest number of rainy days are May and July (12.5 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Rettert, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Rettert, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.9 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
Rettert, 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 6min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Rettert, Germany
- Average sunshine days in September: 19 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is June (15.3 days).
Average UV index in September
Rettert, Germany
- Average UV index in September: 4
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, March, November and December (UV index 2).
Average cloud cover in September
Rettert, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Rettert, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
Rettert, Germany
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