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
September signifies a gentle decline in Grasleben's average high-temperature, easing from a moderately hot 23.8°C (74.8°F) in August to a refreshing 19.1°C (66.4°F). Grasleben's average low-temperature is measured at a fresh 10.7°C (51.3°F) during September.Humidity
In September, the average relative humidity in Grasleben is 76%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 26mm (1.02") of precipitation is accumulated. Throughout the year, there are 154 rainfall days, and 346mm (13.62") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Grasleben, Germany.Daylight
The average length of the day in September is 12h and 40min.On the first day of September in Grasleben, Germany, sunrise is at 06:28 and sunset at 20:03. On the last day of the month, sunrise is at 07:16 and sunset at 18:55 CEST.
Sunshine
In Grasleben, the average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 4 during September leads to these advisories:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Grasleben?
What is the average humidity in September in Grasleben?
How many days does it rain in September in Grasleben?
When it does not snow in Grasleben?
What is the average length of the day in September in Grasleben?
When are sunrise and sunset in September in Grasleben?
How long on average sun shines in September in Grasleben?
How high is the UV index in September in Grasleben?
Average temperature in September
Grasleben, Germany
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-1.3°C).
Average pressure in September
Grasleben, Germany
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in September
Grasleben, Germany
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in September
Grasleben, Germany
- Average humidity in September: 76%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Grasleben, Germany
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (39mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Grasleben, Germany
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in September
Grasleben, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (40mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Grasleben, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.7 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
Grasleben, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Grasleben, Germany
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is April (16.6 days).
The month with the least sunshine days is December (12.1 days).
Average UV index in September
Grasleben, 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
Grasleben, Germany
- Average cloud cover in September: 41
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
Grasleben, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and December (9km).
The months with the lowest visibility are January, February and November (8km).
