September weather forecastGrenaa, Denmark
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Grenaa, Denmark, with an average temperature ranging between max 16°C (60.8°F) and min 13.5°C (56.3°F).Temperature
As Grenaa, Denmark, steps into September, the average high-temperature is measured at a still enjoyable 16°C (60.8°F), displaying minor differences from August's 18.8°C (65.8°F). The nights of September anticipate a slight dip from daytime high temperatures, settling to an average low-temperature of 13.5°C (56.3°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 29mm (1.14") of precipitation is accumulated. In Grenaa, Denmark, during the entire year, the rain falls for 140.8 days and collects up to 292mm (11.5") of precipitation.Snowfall
In Grenaa, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 45min.On the first day of September in Grenaa, sunrise is at 06:21 and sunset at 20:11. On the last day of the month, sunrise is at 07:18 and sunset at 18:53 CEST.
Sunshine
The average sunshine in September in Grenaa is 7.9h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. To guard against the harmful effects of the Sun, minimize exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grenaa, Denmark
- Average high temperature in September: 16°C
The warmest months (with the highest average high temperature) are July and August (18.8°C).
The month with the lowest average high temperature is February (3°C).
- Average low temperature in September: 13.5°C
The month with the highest average low temperature is August (15.8°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).
Average pressure in September
Grenaa, Denmark
- Average pressure in September: 1014.5mbar
The month with the highest atmospheric pressure is April (1015.3mbar).
The month with the lowest atmospheric pressure is December (1010mbar).
Average wind speed in September
Grenaa, Denmark
- Average wind speed in September: 23.2km/h
The windiest month (with the highest average wind speed) is December (27.8km/h).
The calmest month (with the lowest average wind speed) is July (19.5km/h).
Average humidity in September
Grenaa, Denmark
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (84%).
The months with the lowest relative humidity are May and June (77%).
Average rainfall in September
Grenaa, Denmark
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is August (38mm).
The driest months (with the least rainfall) are March and April (15mm).
Average rainfall days in September
Grenaa, Denmark
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is August (15.8 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in September
Grenaa, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Grenaa, Denmark
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.8 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
Grenaa, Denmark
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 7h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 3h and 18min).
Average sunshine days in September
Grenaa, Denmark
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is April (16.6 days).
The month with the least sunshine days is November (11.1 days).
Average UV index in September
Grenaa, Denmark
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Grenaa, Denmark
- Average cloud cover in September: 45
The months with the most cloud cover are January, February, November and December (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 37).
Average visibility in September
Grenaa, Denmark
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).
