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
With the onset of September, Dernau's climate undergoes a slight change as the average high-temperature moves from a warm 23.3°C (73.9°F) in August to an enjoyable 18.9°C (66°F). Dernau encounters a steady low-temperature average of 9.8°C (49.6°F) throughout the month of September.Humidity
In Dernau, the average relative humidity in September is 79%.Rainfall
The months with the least rainfall in Dernau are April and September Rain falls for 10.5 days and accumulates 17mm (0.67") of rain.Snowfall
In Dernau, snow does not fall in April through October.Daylight
In September, the average length of the day in Dernau, Germany, is 12h and 37min.On the first day of September, sunrise is at 06:46 and sunset at 20:16. On the last day of the month, sunrise is at 07:31 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September in Dernau, Germany, is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Dernau?
What is the average humidity in September in Dernau?
What is the driest month in Dernau?
How much does it rain in Dernau in September?
When it does not snow in Dernau?
What is the average length of the day in September in Dernau?
When are sunrise and sunset in September in Dernau?
How long on average sun shines in September in Dernau?
What is the UV index reading in September in Dernau?
Average temperature in September
Dernau, Germany
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is July (23.5°C).
The month with the lowest average high temperature is January (4°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).
Average pressure in September
Dernau, Germany
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Dernau, Germany
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is February (12.6km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Dernau, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Dernau, Germany
- Average rainfall in September: 17mm
The wettest months (with the highest rainfall) are May and August (32mm).
The driest months (with the least rainfall) are April and September (17mm).
Average rainfall days in September
Dernau, Germany
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is June (14.9 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in September
Dernau, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (32mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Dernau, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 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
Dernau, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 2min
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 48min).
Average sunshine days in September
Dernau, Germany
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (12 days).
Average UV index in September
Dernau, 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, November and December (UV index 2).
Average cloud cover in September
Dernau, 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
Dernau, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).
