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's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a pleasant 22.3°C (72.1°F) in August to a refreshing 18.7°C (65.7°F). Giethmen observes an average nighttime low-temperature of 10.8°C (51.4°F) during the month of September.Humidity
The average relative humidity in September is 82%.Rainfall
In Giethmen, in September, during 16.1 rainfall days, 42mm (1.65") of precipitation is typically accumulated. In Giethmen, during the entire year, the rain falls for 203.5 days and collects up to 545mm (21.46") of precipitation.Snowfall
In Giethmen, Netherlands, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:46 and sunset at 20:22. On the last day of September, sunrise is at 07:34 and sunset at 19:13 CEST.
Sunshine
In September, the average sunshine is 7.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Giethmen?
What is the average humidity in September in Giethmen?
How many days does it rain in September in Giethmen?
When it does not snow in Giethmen?
What is the average length of the day in September in Giethmen?
When is the sunrise / sunset in September in Giethmen?
How long on average sun shines in September in Giethmen?
What is the UV index intensity in September in Giethmen?
Average temperature in September
Giethmen, Netherlands
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Giethmen, Netherlands
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in September
Giethmen, Netherlands
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is December (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in September
Giethmen, Netherlands
- Average humidity in September: 82%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Giethmen, Netherlands
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Giethmen, Netherlands
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is February (14.3 days).
Average snowfall in September
Giethmen, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Giethmen, 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
Giethmen, Netherlands
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Giethmen, Netherlands
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is March (12.8 days).
The months with the least sunshine days are June and July (7.3 days).
Average UV index in September
Giethmen, Netherlands
- Average UV index in September: 4
The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Giethmen, Netherlands
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 67).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Giethmen, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August and October (9km).
The months with the lowest visibility are September, November and December (8km).
