September weather forecastSainte-Cécile, Belgium
September
Weather in September
September, the first month of the autumn in Sainte-Cécile, is also an enjoyable month, with an average temperature fluctuating between 9.4°C (48.9°F) and 18.7°C (65.7°F).Temperature
In Sainte-Cécile, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's pleasant 22.3°C (72.1°F) to an enjoyable 18.7°C (65.7°F). An average nighttime temperature of 9.4°C (48.9°F) is observed during September.Humidity
In Sainte-Cécile, the average relative humidity in September is 80%.Rainfall
In September, in Sainte-Cécile, the rain falls for 13 days. Throughout September, 47mm (1.85") of precipitation is accumulated. In Sainte-Cécile, Belgium, during the entire year, the rain falls for 179.8 days and collects up to 618mm (24.33") of precipitation.Snowfall
In Sainte-Cécile, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 36min.On the first day of September, sunrise is at 06:55 and sunset at 20:22. On the last day of the month, sunrise is at 07:38 and sunset at 19:19 CEST.
Sunshine
The average sunshine in September is 7.6h.UV index
In Sainte-Cécile, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 3 in September transforms into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sainte-Cécile, Belgium
- Average high temperature in September: 18.7°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 (3.6°C).
- Average low temperature in September: 9.4°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Sainte-Cécile, Belgium
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in September
Sainte-Cécile, Belgium
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is February (16.1km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Sainte-Cécile, Belgium
- Average humidity in September: 80%
The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and August (78%).
Average rainfall in September
Sainte-Cécile, Belgium
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Sainte-Cécile, Belgium
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in September
Sainte-Cécile, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Sainte-Cécile, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sainte-Cécile, Belgium
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 7h and 36min
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 0min).
Average sunshine days in September
Sainte-Cécile, Belgium
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is September (14.9 days).
The months with the least sunshine days are June, November and December (9.6 days).
Average UV index in September
Sainte-Cécile, Belgium
- Average UV index in September: 3
The months with the highest UV index are June and 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
Sainte-Cécile, Belgium
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Sainte-Cécile, Belgium
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The month with the lowest visibility is November (7km).
