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
The start of September signals a gentle decrease in the average high-temperature, transitioning from a warm 23.3°C (73.9°F) in August to an enjoyable 18.8°C (65.8°F). During the month of September, Gremmendorf's nighttime temperature lowers to an average of 10.7°C (51.3°F).Humidity
The average relative humidity in September in Gremmendorf is 79%.Rainfall
In Gremmendorf, in September, during 13 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Gremmendorf, during the entire year, the rain falls for 173.4 days and collects up to 479mm (18.86") of precipitation.Snowfall
May through October are months without snowfall in Gremmendorf.Daylight
In Gremmendorf, the average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 06:42 and sunset at 20:16. On the last day of September, in Gremmendorf, sunrise is at 07:29 and sunset at 19:08 CEST.
Sunshine
In September, the average sunshine in Gremmendorf is 7.8h.UV index
In Gremmendorf, Germany, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in Gremmendorf in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Gremmendorf?
Average temperature in September
Gremmendorf, Germany
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (0°C).
Average pressure in September
Gremmendorf, Germany
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in September
Gremmendorf, Germany
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is December (16.1km/h).
The calmest months (with the lowest average wind speed) are July and August (10.8km/h).
Average humidity in September
Gremmendorf, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Gremmendorf, Germany
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Gremmendorf, Germany
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (11.4 days).
Average snowfall in September
Gremmendorf, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (49mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Gremmendorf, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Gremmendorf, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Gremmendorf, Germany
- Average sunshine days in September: 15 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Gremmendorf, 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, February, November and December (UV index 2).
Average cloud cover in September
Gremmendorf, Germany
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Gremmendorf, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).
