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
Weather in September
Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's agreeable 22.3°C (72.1°F) to a comfortable 18.6°C (65.5°F). During the month of September, the nighttime temperature in Den Ham falls to an average of 10.7°C (51.3°F).Humidity
The average relative humidity in September in Den Ham is 83%.Rainfall
In September, in Den Ham, the rain falls for 15.8 days. Throughout September, 38mm (1.5") of precipitation is accumulated. In Den Ham, during the entire year, the rain falls for 203.2 days and collects up to 541mm (21.3") of precipitation.Snowfall
In Den Ham, 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 September, sunrise is at 06:46 and sunset at 20:21. On the last day of the month, sunrise is at 07:34 and sunset at 19:13 CEST.
Sunshine
The average sunshine in September is 7.4h.UV index
In Den Ham, the average daily maximum UV index in September is 4. A UV Index estimate 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:
Take necessary precautions - Defending against sun damage is advocated. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What are September temperatures in Den Ham?
What is the average humidity in September in Den Ham?
How many days does it rain in September in Den Ham?
When it does not snow in Den Ham?
How many hours of daylight does Den Ham have in September?
What time are sunrise and sunset in September in Den Ham?
How long on average sun shines in September in Den Ham?
What is the UV index reading in September in Den Ham?
Average temperature in September
Den Ham, Netherlands
- Average high temperature in September: 18.6°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: 10.7°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
Den Ham, Netherlands
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in September
Den Ham, Netherlands
- Average wind speed in September: 12.3km/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
Den Ham, Netherlands
- Average humidity in September: 83%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Den Ham, Netherlands
- Average rainfall in September: 38mm
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
Den Ham, Netherlands
- Average rainfall days in September: 15.8 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
Den Ham, 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
Den Ham, 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
Den Ham, 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 30min).
Average sunshine days in September
Den Ham, Netherlands
- Average sunshine days in September: 10 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
Den Ham, 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
Den Ham, 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
Den Ham, 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).
Den Ham, Netherlands
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