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's arrival signals a moderate reduction in the average high-temperature, easing from 26.9°C (80.4°F) in August to a still moderately hot 23.6°C (74.5°F). Susmiou registers a substantial downturn from daytime peaks throughout September nights, with an average low-temperature of 11.5°C (52.7°F).Humidity
The months with the lowest humidity in Susmiou are August and September, with an average relative humidity of 73%.Rainfall
The month with the least rainfall in Susmiou is September, when the rain falls for 12.5 days and typically collects 32mm (1.26") of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 07:27 and sunset at 20:38. On the last day of September, in Susmiou, sunrise is at 07:59 and sunset at 19:45 CEST.
Sunshine
The average sunshine in September in Susmiou is 8.8h.UV index
May through September, with an average maximum UV index of 5, are months with the highest UV index in Susmiou. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Susmiou in September?
What is the least humid month in Susmiou?
What is the average humidity in September in Susmiou?
What is the driest month in Susmiou?
How much does it rain in Susmiou in September?
When it does not snow in Susmiou?
What is the average length of the day in September in Susmiou?
When is the sunrise / sunset in September in Susmiou?
How many hours of sunshine does Susmiou have in September?
What is the month with the highest UV index in Susmiou?
How high is the UV index in September in Susmiou?
Average temperature in September
Susmiou, France
- Average high temperature in September: 23.6°C
The warmest month (with the highest average high temperature) is August (26.9°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in September: 11.5°C
The months with the highest average low temperature are July and August (13.9°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in September
Susmiou, France
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Susmiou, France
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is September (6.4km/h).
Average humidity in September
Susmiou, France
- Average humidity in September: 73%
The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are August and September (73%).
Average rainfall in September
Susmiou, France
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is May (89mm).
The driest month (with the least rainfall) is September (32mm).
Average rainfall days in September
Susmiou, France
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is April (19.3 days).
The month with the least rainy days is October (12.4 days).
Average snowfall in September
Susmiou, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Susmiou, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Susmiou, France
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 24min).
Average sunshine days in September
Susmiou, France
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is October (16.8 days).
The month with the least sunshine days is April (8.7 days).
Average UV index in September
Susmiou, France
- Average UV index in September: 5
The months with the highest UV index are May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Susmiou, France
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in September
Susmiou, France
- Average visibility in September: 9km
The months with the highest visibility are March, June, September, October, November and December (9km).
The months with the lowest visibility are January, February, April, May, July and August (8km).
Susmiou, France
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