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
Serm's weather subtly changes with the onset of September, barely falling from a warm 23.8°C (74.8°F) in August to a refreshing 19.6°C (67.3°F). Serm cools down to an average low-temperature of 11.9°C (53.4°F) throughout the month of September.Humidity
The average relative humidity in September in Serm is 74%.Rainfall
In Serm, during September, the rain falls for 10.2 days and regularly aggregates up to 17mm (0.67") of precipitation. Throughout the year, there are 156.9 rainfall days, and 269mm (10.59") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Serm, Germany, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:46 and sunset at 20:19. On the last day of the month, sunrise is at 07:33 and sunset at 19:12 CEST.
Sunshine
In September, the average sunshine in Serm is 8.2h.UV index
In September, the average daily maximum UV index in Serm is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Serm?
What is the average humidity in September in Serm?
How much does it rain in Serm in September?
When it does not snow in Serm?
What is the average length of the day in September in Serm?
What time are sunrise and sunset in September in Serm?
How many hours of sunshine does Serm have in September?
What is the UV index reading in September in Serm?
Average temperature in September
Serm, Germany
- Average high temperature in September: 19.6°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Serm, Germany
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in September
Serm, Germany
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is December (15.5km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in September
Serm, Germany
- Average humidity in September: 74%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Serm, Germany
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is December (32mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Serm, Germany
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is September (10.2 days).
Average snowfall in September
Serm, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Serm, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 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
Serm, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Serm, Germany
- Average sunshine days in September: 16 days
The month with the most sunshine days is September (16 days).
The month with the least sunshine days is December (10 days).
Average UV index in September
Serm, 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, November and December (UV index 2).
Average cloud cover in September
Serm, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Serm, Germany
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (9km).
The month with the lowest visibility is December (8km).
