September weather forecastKeitum, Germany
September
Weather in September
September, the first month of the autumn in Keitum, is also an enjoyable month, with an average temperature varying between 14.4°C (57.9°F) and 16.4°C (61.5°F).Temperature
The arrival of September brings an average high-temperature of a still comfortable 16.4°C (61.5°F), nearly identical to August's 18.6°C (65.5°F). A minor drop in temperature is observed from daytime highs during the nights of September, averaging a moderate 14.4°C (57.9°F).Humidity
In Keitum, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 18.5 days. Throughout September, 69mm (2.72") of precipitation is accumulated. Throughout the year, there are 196.9 rainfall days, and 600mm (23.62") of precipitation is accumulated.Snowfall
In Keitum, snow does not fall in May through November.Daylight
The average length of the day in September is 12h and 43min.On the first day of September, sunrise is at 06:34 and sunset at 20:18. On the last day of the month, sunrise is at 07:28 and sunset at 19:04 CEST.
Sunshine
In Keitum, the average sunshine in September is 7.3h.UV index
In Keitum, Germany, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Keitum, 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
Keitum, 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
Keitum, 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
Keitum, 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
Keitum, 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
Keitum, 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
Keitum, 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
Keitum, 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
Keitum, 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
Keitum, 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
Keitum, 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
Keitum, 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
Keitum, 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).
