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
The beginning of September brings a minor change in the average high-temperature, shifting from a pleasant 22.4°C (72.3°F) in August to an enjoyable 19°C (66.2°F). During the month of September, Nalinnes experiences a steady low-temperature average of 10.3°C (50.5°F).Humidity
In Nalinnes, the average relative humidity in September is 79%.Rainfall
In Nalinnes, in September, it is raining for 13.8 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, there are 180.9 rainfall days, and 510mm (20.08") of precipitation is accumulated.Snowfall
In Nalinnes, snow does not fall in April through September.Daylight
The average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 06:57 and sunset at 20:26. On the last day of the month, sunrise is at 07:41 and sunset at 19:22 CEST.
Sunshine
In September, the average sunshine is 7.3h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Nalinnes have in September?
What is the UV index reading in September?
Average temperature in September
Nalinnes, Belgium
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (4.6°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in September
Nalinnes, 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 (1012.8mbar).
Average wind speed in September
Nalinnes, Belgium
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).
Average humidity in September
Nalinnes, Belgium
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Nalinnes, Belgium
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is April (30mm).
Average rainfall days in September
Nalinnes, Belgium
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (12.1 days).
Average snowfall in September
Nalinnes, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (47mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Nalinnes, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.3 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
Nalinnes, Belgium
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is July (Average sunshine: 8h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).
Average sunshine days in September
Nalinnes, Belgium
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is March (14.2 days).
The month with the least sunshine days is August (10.4 days).
Average UV index in September
Nalinnes, 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, November and December (UV index 2).
Average cloud cover in September
Nalinnes, Belgium
- Average cloud cover in September: 45
The months with the most cloud cover are January and December (Cloud cover 65).
The months with the least cloud cover are April and August (Cloud cover 44).
Average visibility in September
Nalinnes, Belgium
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
