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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a pleasant 22.7°C (72.9°F) to a refreshing 19.1°C (66.4°F). Ham records a mean low-temperature of 11.2°C (52.2°F) in September.Humidity
In Ham, the average relative humidity in September is 80%.Rainfall
In Ham, in September, during 14.8 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, there are 193 rainfall days, and 512mm (20.16") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September, sunrise is at 06:53 and sunset at 20:24. On the last day of the month, sunrise is at 07:39 and sunset at 19:19 CEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
In Ham, Belgium, the average daily maximum UV index in September 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 ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Ham have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Ham, Belgium
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is July (22.8°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in September
Ham, Belgium
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in September
Ham, Belgium
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.4km/h).
Average humidity in September
Ham, Belgium
- Average humidity in September: 80%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Ham, Belgium
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Ham, Belgium
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (12.6 days).
Average snowfall in September
Ham, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (33mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Ham, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (3.5 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
Ham, Belgium
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Ham, Belgium
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is March (14.5 days).
The month with the least sunshine days is June (8.5 days).
Average UV index in September
Ham, Belgium
- 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, November and December (UV index 2).
Average cloud cover in September
Ham, Belgium
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Ham, Belgium
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).
