September weather forecastGlimmen, Netherlands
September
Weather in September
September, the first month of the autumn in Glimmen, is still a comfortable month, with an average temperature varying between 18°C (64.4°F) and 11.7°C (53.1°F).Temperature
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a pleasant 21.3°C (70.3°F) in August to a refreshing 18°C (64.4°F). An average low-temperature of 11.7°C (53.1°F) is observed in Glimmen, Netherlands, during the September nights.Humidity
In Glimmen, the average relative humidity in September is 82%.Rainfall
In Glimmen, during September, the rain falls for 15.1 days and regularly aggregates up to 26mm (1.02") of precipitation. Throughout the year, in Glimmen, there are 179 rainfall days, and 336mm (13.23") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 40min.On the first day of September in Glimmen, Netherlands, sunrise is at 06:44 and sunset at 20:22. On the last day of the month, sunrise is at 07:34 and sunset at 19:12 CEST.
Sunshine
In September, the average sunshine is 7.2h.UV index
The average daily maximum UV index in September in Glimmen is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 4 in September leads to these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Glimmen, Netherlands
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (4.4°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (1°C).
Average pressure in September
Glimmen, Netherlands
- Average pressure in September: 1016.4mbar
The months with the highest atmospheric pressure are May and September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed in September
Glimmen, Netherlands
- Average wind speed in September: 15.1km/h
The windiest month (with the highest average wind speed) is December (21.2km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in September
Glimmen, Netherlands
- Average humidity in September: 82%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Glimmen, Netherlands
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (41mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Glimmen, Netherlands
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
Glimmen, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Glimmen, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 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
Glimmen, Netherlands
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Glimmen, Netherlands
- Average sunshine days in September: 10.2 days
The months with the most sunshine days are March and April (14.8 days).
The month with the least sunshine days is December (9 days).
Average UV index in September
Glimmen, Netherlands
- Average UV index in September: 4
The month with the highest UV index is 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
Glimmen, Netherlands
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 68).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in September
Glimmen, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are April and August (10km).
The months with the lowest visibility are January, February, March, May, June, July, September, October, November and December (9km).
