September weather forecastHahnheim, Germany
September
Weather in September
September, the first month of the autumn in Hahnheim, is still a pleasant month, with an average temperature ranging between max 20.2°C (68.4°F) and min 11.1°C (52°F).Temperature
The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 24.9°C (76.8°F) in August to an agreeable 20.2°C (68.4°F). During September, the temperature tends to dip to an average of 11.1°C (52°F) at night.Humidity
The average relative humidity in September is 73%.Rainfall
In Hahnheim, in September, during 9.6 rainfall days, 22mm (0.87") of precipitation is typically accumulated. In Hahnheim, during the entire year, the rain falls for 146.5 days and collects up to 366mm (14.41") of precipitation.Snowfall
In Hahnheim, Germany, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 06:43 and sunset at 20:10. On the last day of September, sunrise is at 07:26 and sunset at 19:07 CEST.
Sunshine
The average sunshine in September is 8.6h.UV index
In Hahnheim, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hahnheim, Germany
- Average high temperature in September: 20.2°C
The warmest month (with the highest average high temperature) is July (25.2°C).
The month with the lowest average high temperature is January (3.7°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).
Average pressure in September
Hahnheim, Germany
- Average pressure in September: 1018.1mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.5mbar).
Average wind speed in September
Hahnheim, Germany
- Average wind speed in September: 8.9km/h
The windiest months (with the highest average wind speed) are February and March (11.9km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Hahnheim, Germany
- Average humidity in September: 73%
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are July and August (67%).
Average rainfall in September
Hahnheim, Germany
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Hahnheim, Germany
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is July (14.7 days).
The months with the least rainy days are February and September (9.6 days).
Average snowfall in September
Hahnheim, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (39mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Hahnheim, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.4 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
Hahnheim, Germany
- Average daylight in September: 12h and 36min
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 12min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Hahnheim, Germany
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is December (12 days).
Average UV index in September
Hahnheim, Germany
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Hahnheim, Germany
- Average cloud cover in September: 37
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Hahnheim, Germany
- 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).
