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
Gierle's weather subtly changes with the onset of September, barely falling from a warm 23°C (73.4°F) in August to a refreshing 19.3°C (66.7°F). Throughout September, Gierle records an average temperature of 11.2°C (52.2°F) at night.Humidity
In Gierle, the average relative humidity in September is 80%.Rainfall
In September, in Gierle, the rain falls for 12.3 days. Throughout September, 26mm (1.02") of precipitation is accumulated. In Gierle, during the entire year, the rain falls for 185.2 days and collects up to 484mm (19.06") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:54 and sunset at 20:26. On the last day of the month, sunrise is at 07:40 and sunset at 19:20 CEST.
Sunshine
The average sunshine in September is 7.6h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in Gierle in September?
When it does not snow?
How many hours of daylight does Gierle have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Gierle have in September?
What is the UV index intensity in September?
Average temperature in September
Gierle, Belgium
- Average high temperature in September: 19.3°C
The warmest months (with the highest average high temperature) are July and August (23°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (1.3°C).
Average pressure in September
Gierle, 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
Gierle, Belgium
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Gierle, 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 (74%).
Average rainfall in September
Gierle, Belgium
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is December (58mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Gierle, Belgium
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is December (18.9 days).
The month with the least rainy days is September (12.3 days).
Average snowfall in September
Gierle, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Gierle, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.6 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
Gierle, 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 month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Gierle, Belgium
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is September (14.8 days).
The month with the least sunshine days is December (8.2 days).
Average UV index in September
Gierle, 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
Gierle, 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 April (Cloud cover 41).
Average visibility in September
Gierle, Belgium
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and December (8km).
