September weather forecastByrum, Denmark
September
Weather in September
September, the first month of the autumn in Byrum, is still a refreshing month, with an average temperature fluctuating between 13.6°C (56.5°F) and 15.9°C (60.6°F).Temperature
Byrum's shift into September sets the average high-temperature at a still refreshing 15.9°C (60.6°F), a figure that deviates only slightly from August's 18.5°C (65.3°F). Byrum experiences a steady nighttime temperature of 13.6°C (56.5°F) throughout the month of September.Humidity
In September, the average relative humidity in Byrum is 77%.Rainfall
In Byrum, Denmark, in September, during 15.7 rainfall days, 49mm (1.93") of precipitation is typically accumulated. In Byrum, Denmark, during the entire year, the rain falls for 172.1 days and collects up to 570mm (22.44") of precipitation.Snowfall
In Byrum, snow does not fall in May through October.Daylight
The average length of the day in September in Byrum, Denmark, is 12h and 47min.On the first day of the month, sunrise is at 06:18 and sunset at 20:12. On the last day of September, sunrise is at 07:18 and sunset at 18:52 CEST.
Sunshine
The average sunshine in September is 7.8h.UV index
In Byrum, Denmark, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. 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
Average temperature in September
Byrum, Denmark
- Average high temperature in September: 15.9°C
The warmest month (with the highest average high temperature) is August (18.5°C).
The month with the lowest average high temperature is February (2.5°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).
Average pressure in September
Byrum, Denmark
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is April (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in September
Byrum, Denmark
- Average wind speed in September: 26.6km/h
The windiest month (with the highest average wind speed) is December (32.1km/h).
The calmest month (with the lowest average wind speed) is June (21.4km/h).
Average humidity in September
Byrum, Denmark
- Average humidity in September: 77%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Byrum, Denmark
- Average rainfall in September: 49mm
The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Byrum, Denmark
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is August (18.5 days).
The month with the least rainy days is February (10.2 days).
Average snowfall in September
Byrum, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is February (38mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Byrum, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.9 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
Byrum, Denmark
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 48min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are January and November (Average sunshine: 3h and 30min).
Average sunshine days in September
Byrum, Denmark
- Average sunshine days in September: 12.1 days
The month with the most sunshine days is April (17.1 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in September
Byrum, Denmark
- Average UV index in September: 4
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
Byrum, Denmark
- Average cloud cover in September: 46
The month with the most cloud cover is November (Cloud cover 65).
The months with the least cloud cover are June and July (Cloud cover 37).
Average visibility in September
Byrum, Denmark
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
