September weather forecastMammendorf, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Mammendorf, Germany, with an average temperature ranging between min 8.8°C (47.8°F) and max 18.5°C (65.3°F).Temperature
In September, the average high-temperature goes from a warm 23.5°C (74.3°F) in August to a refreshing 18.5°C (65.3°F). Mammendorf's temperature drops to an average low of 8.8°C (47.8°F) during the nights of September.Humidity
The average relative humidity in September is 82%.Rainfall
In September, the rain falls for 13.7 days. Throughout September, 44mm (1.73") of precipitation is accumulated. Throughout the year, in Mammendorf, Germany, there are 169.9 rainfall days, and 670mm (26.38") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Mammendorf.Daylight
In September, the average length of the day in Mammendorf is 12h and 35min.On the first day of September in Mammendorf, sunrise is at 06:33 and sunset at 19:56. On the last day of the month, sunrise is at 07:13 and sunset at 18:56 CEST.
Sunshine
The average sunshine in September is 8.7h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mammendorf, Germany
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in September
Mammendorf, Germany
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Mammendorf, Germany
- Average wind speed in September: 8.1km/h
The windiest month (with the highest average wind speed) is March (12km/h).
The calmest months (with the lowest average wind speed) are August and September (8.1km/h).
Average humidity in September
Mammendorf, Germany
- Average humidity in September: 82%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Mammendorf, Germany
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is August (87mm).
The driest month (with the least rainfall) is November (28mm).
Average rainfall days in September
Mammendorf, Germany
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (21.1 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in September
Mammendorf, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (189mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Mammendorf, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mammendorf, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Mammendorf, Germany
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is May (7.3 days).
Average UV index in September
Mammendorf, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Mammendorf, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Mammendorf, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January and February (7km).
