September weather forecastHolsthum, Germany
September
Weather in September
September, the first month of the autumn in Holsthum, is also an enjoyable month, with an average temperature fluctuating between 18.5°C (65.3°F) and 8.8°C (47.8°F).Temperature
A mild drop in Holsthum's average high-temperature is observed in September, transitioning from a pleasant 22.8°C (73°F) in August to a comfortable 18.5°C (65.3°F). In September, the average low-temperature is a frosty 8.8°C (47.8°F).Humidity
In Holsthum, the average relative humidity in September is 80%.Rainfall
In Holsthum, during September, the rain falls for 9.3 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, in Holsthum, Germany, there are 138 rainfall days, and 304mm (11.97") of precipitation is accumulated.Snowfall
April, June through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 06:50 and sunset at 20:17. On the last day of September, sunrise is at 07:33 and sunset at 19:14 CEST.
Sunshine
In September, the average sunshine is 8.3h.UV index
In September, the average daily maximum UV index in Holsthum is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum UV index of 3 in September translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. 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
Average temperature in September
Holsthum, Germany
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in September
Holsthum, Germany
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in September
Holsthum, Germany
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is February (14km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Holsthum, Germany
- Average humidity in September: 80%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Holsthum, Germany
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is December (33mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Holsthum, Germany
- Average rainfall days in September: 9.3 days
The months with the highest number of rainy days are June, July and August (13.3 days).
The month with the least rainy days is February (9 days).
Average snowfall in September
Holsthum, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (33mm).
The months with the least snowfall are April, June, July, August, September and October (0mm).
Average snowfall days in September
Holsthum, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holsthum, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Holsthum, Germany
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is December (12.8 days).
Average UV index in September
Holsthum, Germany
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Holsthum, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Holsthum, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are November and December (7km).
