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
Bertre observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 27.3°C (81.1°F) to an agreeable 22.5°C (72.5°F). Bertre observes an average nighttime temperature of 12°C (53.6°F) during September.Humidity
In September, the average relative humidity in Bertre is 73%.Rainfall
The month with the least rainfall is September, when the rain falls for 8.9 days and typically collects 20mm (0.79") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Bertre is 12h and 30min.On the first day of the month, sunrise is at 07:16 and sunset at 20:27. On the last day of September, in Bertre, sunrise is at 07:49 and sunset at 19:34 CEST.
Sunshine
In Bertre, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index in Bertre is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Take necessary precautions - Defending against sun damage is advocated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. 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.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Bertre?
What is the average humidity in September in Bertre?
What is the driest month in Bertre?
How many days does it rain in September in Bertre?
When it does not snow in Bertre?
What is the average length of the day in September in Bertre?
When is the sunrise / sunset in September in Bertre?
How many hours of sunshine does Bertre have in September?
What is the UV index reading in September in Bertre?
Average temperature in September
Bertre, France
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in September: 12°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).
Average pressure in September
Bertre, France
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Bertre, France
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is March (13.5km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Bertre, France
- Average humidity in September: 73%
The months with the highest relative humidity are January, November and December (87%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Bertre, France
- Average rainfall in September: 20mm
The wettest months (with the highest rainfall) are January, May and November (63mm).
The driest month (with the least rainfall) is September (20mm).
Average rainfall days in September
Bertre, France
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is January (17.3 days).
The month with the least rainy days is August (8.6 days).
Average snowfall in September
Bertre, France
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Bertre, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.8 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
Bertre, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Bertre, France
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is August (19.9 days).
The month with the least sunshine days is February (9.8 days).
Average UV index in September
Bertre, France
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Bertre, France
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Bertre, France
- Average visibility in September: 9km
The months with the highest visibility are March, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, April, November and December (8km).
