September weather forecastAiti, France
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Aiti, France, with temperature in the range of an average high of 23.6°C (74.5°F) and an average low of 18.3°C (64.9°F).Temperature
In September, the average high-temperature marginally decreases from a warm 27.4°C (81.3°F) in August to a still moderately hot 23.6°C (74.5°F). An average low-temperature of 18.3°C (64.9°F) is observed during the September nights.Humidity
In September, the average relative humidity is 70%.Rainfall
In Aiti, France, in September, during 8.6 rainfall days, 26mm (1.02") of precipitation is typically accumulated. In Aiti, during the entire year, the rain falls for 101.4 days and collects up to 325mm (12.8") of precipitation.Snowfall
In Aiti, France, snow does not fall in April through December.Daylight
The average length of the day in September in Aiti is 12h and 29min.On the first day of September, sunrise is at 06:48 and sunset at 19:57. On the last day of the month, sunrise is at 07:19 and sunset at 19:06 CEST.
Sunshine
The average sunshine in September in Aiti is 10.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 5 in September leads to these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Aiti, France
- Average high temperature in September: 23.6°C
The warmest month (with the highest average high temperature) is August (27.4°C).
The month with the lowest average high temperature is January (11.3°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is August (20.8°C).
The coldest month (with the lowest average low temperature) is February (6.5°C).
Average pressure in September
Aiti, France
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is December (1017.9mbar).
The month with the lowest atmospheric pressure is November (1013.6mbar).
Average wind speed in September
Aiti, France
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is March (12.7km/h).
The calmest month (with the lowest average wind speed) is August (7.6km/h).
Average humidity in September
Aiti, France
- Average humidity in September: 70%
The month with the highest relative humidity is November (77%).
The months with the lowest relative humidity are July and August (67%).
Average rainfall in September
Aiti, France
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is October (47mm).
The driest month (with the least rainfall) is July (18mm).
Average rainfall days in September
Aiti, France
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is November (11.1 days).
The month with the least rainy days is August (5.8 days).
Average snowfall in September
Aiti, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (3mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in September
Aiti, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Aiti, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 24min
The months with the most sunshine are June and July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Aiti, France
- Average sunshine days in September: 18 days
The months with the most sunshine days are July and August (22.3 days).
The month with the least sunshine days is November (17.5 days).
Average UV index in September
Aiti, France
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Aiti, France
- Average cloud cover in September: 16
The month with the most cloud cover is January (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Aiti, France
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





