September weather forecastHessenheim, France
September
Weather in September
September, the first month of the autumn in Hessenheim, is still a refreshing month, with an average temperature ranging between min 9.4°C (48.9°F) and max 19.8°C (67.6°F).Temperature
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's moderately hot 24.2°C (75.6°F) to an enjoyable 19.8°C (67.6°F). Hessenheim experiences an average low-temperature of 9.4°C (48.9°F) in the month of September.Humidity
The average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall in Hessenheim. Rain falls for 11.5 days and accumulates 27mm (1.06") of precipitation.Snowfall
April through September are months without snowfall in Hessenheim, France.Daylight
The average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 06:48 and sunset at 20:11. On the last day of the month, sunrise is at 07:28 and sunset at 19:10 CEST.
Sunshine
In Hessenheim, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index in Hessenheim is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 4 in September translates into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hessenheim, France
- Average high temperature in September: 19.8°C
The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in September
Hessenheim, France
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is November (1015.4mbar).
Average wind speed in September
Hessenheim, France
- Average wind speed in September: 7.5km/h
The windiest months (with the highest average wind speed) are February and December (10.5km/h).
The calmest month (with the lowest average wind speed) is August (7.2km/h).
Average humidity in September
Hessenheim, France
- Average humidity in September: 78%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April, July and August (75%).
Average rainfall in September
Hessenheim, France
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is June (61mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in September
Hessenheim, France
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Hessenheim, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (40mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Hessenheim, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 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
Hessenheim, France
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in September
Hessenheim, France
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in September
Hessenheim, France
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Hessenheim, France
- Average cloud cover in September: 32
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Hessenheim, France
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).
