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
September implies a soft temperature shift, with average high-temperatures reducing from August's pleasant 22.9°C (73.2°F) to a refreshing 18.4°C (65.1°F). Istrup reports an average low-temperature of 9.6°C (49.3°F) during the nights of September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Istrup, in September, during 13.8 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, there are 182.5 rainfall days, and 517mm (20.35") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 39min.On the first day of September, sunrise is at 06:36 and sunset at 20:10. On the last day of the month, sunrise is at 07:23 and sunset at 19:03 CEST.
Sunshine
In Istrup, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Istrup in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Istrup have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Istrup have in September?
What is the UV index reading in September?
Average temperature in September
Istrup, Germany
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in September: 9.6°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (-1.1°C).
Average pressure in September
Istrup, 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 (1013.2mbar).
Average wind speed in September
Istrup, Germany
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Istrup, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Istrup, Germany
- Average rainfall in September: 30mm
The wettest months (with the highest rainfall) are June and July (53mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Istrup, Germany
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is February (11.3 days).
Average snowfall in September
Istrup, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (74mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Istrup, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.9 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
Istrup, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Istrup, Germany
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (14.3 days).
The month with the least sunshine days is December (9.2 days).
Average UV index in September
Istrup, Germany
- Average UV index in September: 3
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, March, November and December (UV index 2).
Average cloud cover in September
Istrup, Germany
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Istrup, Germany
- Average visibility in September: 8km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January and December (7km).
