September weather forecastWitsum, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Witsum, Germany, with an average temperature fluctuating between 14.4°C (57.9°F) and 16.4°C (61.5°F).Temperature
Entering September, Witsum's average high-temperature reads a still enjoyable 16.4°C (61.5°F), indicating a close resemblance to the previous month's climate. The nights of September in Witsum cool down to an average low of 14.4°C (57.9°F), subtly lower than daytime highs.Humidity
The average relative humidity in September in Witsum is 79%.Rainfall
In Witsum, during September, the rain falls for 18.5 days and regularly aggregates up to 69mm (2.72") of precipitation. In Witsum, during the entire year, the rain falls for 196.9 days and collects up to 600mm (23.62") of precipitation.Snowfall
In Witsum, snow does not fall in May through November.Daylight
In September, the average length of the day is 12h and 43min.On the first day of September, sunrise is at 06:34 and sunset at 20:17. On the last day of the month, sunrise is at 07:27 and sunset at 19:04 CEST.
Sunshine
In Witsum, Germany, the average sunshine in September is 7.3h.UV index
In Witsum, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Witsum, Germany
- Average high temperature in September: 16.4°C
The warmest month (with the highest average high temperature) is August (18.6°C).
The month with the lowest average high temperature is February (3.7°C).
- Average low temperature in September: 14.4°C
The month with the highest average low temperature is August (16.4°C).
The coldest month (with the lowest average low temperature) is February (1.9°C).
Average pressure in September
Witsum, Germany
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is May (1015.8mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Witsum, Germany
- Average wind speed in September: 26.8km/h
The windiest month (with the highest average wind speed) is December (33.6km/h).
The calmest month (with the lowest average wind speed) is July (23km/h).
Average humidity in September
Witsum, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is August (78%).
Average rainfall in September
Witsum, Germany
- Average rainfall in September: 69mm
The wettest month (with the highest rainfall) is August (75mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Witsum, Germany
- Average rainfall days in September: 18.5 days
The month with the highest number of rainy days is October (20.5 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in September
Witsum, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (21mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Witsum, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 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
Witsum, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The months with the least sunshine are January, February and November (Average sunshine: 3h and 36min).
Average sunshine days in September
Witsum, Germany
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is March (15.3 days).
The month with the least sunshine days is November (7.4 days).
Average UV index in September
Witsum, Germany
- Average UV index in September: 4
The month with the highest UV index is July (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
Witsum, Germany
- Average cloud cover in September: 49
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is April (Cloud cover 40).
Average visibility in September
Witsum, Germany
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).





