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 signals a slight drop in average high-temperature, sliding from August's agreeable 22.3°C (72.1°F) to a refreshing 18.8°C (65.8°F). Throughout September, Rhees witnesses a nighttime temperature average of 9.8°C (49.6°F).Humidity
The average relative humidity in September is 80%.Rainfall
In Rhees, in September, during 13.5 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, in Rhees, there are 193.2 rainfall days, and 544mm (21.42") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 06:52 and sunset at 20:22. On the last day of September, sunrise is at 07:37 and sunset at 19:17 CEST.
Sunshine
The average sunshine in September in Rhees is 7.8h.UV index
In Rhees, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Rhees?
What is the average humidity in September in Rhees?
How many days does it rain in September in Rhees?
When it does not snow in Rhees?
How many hours of daylight does Rhees have in September?
When is the sunrise / sunset in September in Rhees?
How long on average sun shines in September in Rhees?
How high is the UV index in September in Rhees?
Average temperature in September
Rhees, Belgium
- Average high temperature in September: 18.8°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (4.1°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Rhees, Belgium
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).
Average wind speed in September
Rhees, Belgium
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is December (17km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in September
Rhees, Belgium
- Average humidity in September: 80%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are April and August (77%).
Average rainfall in September
Rhees, Belgium
- Average rainfall in September: 35mm
The wettest month (with the highest rainfall) is December (58mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Rhees, Belgium
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (12.7 days).
Average snowfall in September
Rhees, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (50mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Rhees, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 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
Rhees, Belgium
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Rhees, Belgium
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (14.7 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in September
Rhees, Belgium
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Rhees, Belgium
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Rhees, Belgium
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).
Rhees, Belgium
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