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
As September begins, there is a minor decrease in the average high-temperature, softly falling from a warm 23.4°C (74.1°F) in August to a refreshing 18.8°C (65.8°F). During September nights, Greifenstein witnesses a consistent average temperature of 9.1°C (48.4°F).Humidity
In Greifenstein, the average relative humidity in September is 79%.Rainfall
In Greifenstein, Germany, in September, during 11.5 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Greifenstein, during the entire year, the rain falls for 168.8 days and collects up to 473mm (18.62") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Greifenstein is 12h and 37min.On the first day of the month, sunrise is at 06:41 and sunset at 20:11. On the last day of September, in Greifenstein, sunrise is at 07:26 and sunset at 19:06 CEST.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the average September temperature in Greifenstein?
What is the average humidity in September in Greifenstein?
How much does it rain in Greifenstein in September?
When it does not snow in Greifenstein?
Does it snow in Greifenstein in September?
How many hours of daylight does Greifenstein have in September?
What time are sunrise and sunset in September in Greifenstein?
How many hours of sunshine does Greifenstein have in September?
What is the UV index reading in September in Greifenstein?
Average temperature in September
Greifenstein, Germany
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is July (23.8°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 9.1°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-1.5°C).
Average pressure in September
Greifenstein, 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 (1014.2mbar).
Average wind speed in September
Greifenstein, Germany
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Greifenstein, 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 April, July and August (74%).
Average rainfall in September
Greifenstein, Germany
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is August (52mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Greifenstein, Germany
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (17.3 days).
The months with the least rainy days are February and September (11.5 days).
Average snowfall in September
Greifenstein, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (66mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Greifenstein, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Greifenstein, 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 6min).
Average sunshine days in September
Greifenstein, Germany
- Average sunshine days in September: 15 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is December (9.5 days).
Average UV index in September
Greifenstein, Germany
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Greifenstein, Germany
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Greifenstein, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, June, July and August (9km).
The months with the lowest visibility are January, October, November and December (7km).
Greifenstein, Germany
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