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
The onset of September is marked by a minor decrease in temperature, transitioning from a pleasant 22.8°C (73°F) in August to a comfortable 18.4°C (65.1°F). In September, the temperature drops to an average of 9°C (48.2°F) at night.Humidity
The average relative humidity in September in Herkheim is 81%.Rainfall
In Herkheim, in September, during 15.1 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Herkheim, during the entire year, the rain falls for 183.4 days and collects up to 667mm (26.26") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Herkheim, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:35 and sunset at 20:00. On the last day of September, sunrise is at 07:16 and sunset at 18:58 CEST.
Sunshine
The average sunshine in September in Herkheim is 8.6h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What are September temperatures in Herkheim?
What is the average humidity in September in Herkheim?
How many days does it rain in September in Herkheim?
When it does not snow in Herkheim?
Does it snow in Herkheim in September?
How many hours of daylight does Herkheim have in September?
What time are sunrise and sunset in September in Herkheim?
How long on average sun shines in September in Herkheim?
What is the UV index reading in September in Herkheim?
Average temperature in September
Herkheim, Germany
- Average high temperature in September: 18.4°C
The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in September: 9°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (-2.6°C).
Average pressure in September
Herkheim, Germany
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).
Average wind speed in September
Herkheim, Germany
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is December (13.9km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Herkheim, Germany
- Average humidity in September: 81%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and July (77%).
Average rainfall in September
Herkheim, Germany
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is May (82mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Herkheim, Germany
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is June (21.3 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in September
Herkheim, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (137mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Herkheim, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Herkheim, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Herkheim, Germany
- Average sunshine days in September: 12 days
The month with the most sunshine days is October (14.5 days).
The month with the least sunshine days is June (6.3 days).
Average UV index in September
Herkheim, Germany
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Herkheim, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Herkheim, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The month with the lowest visibility is January (7km).
Herkheim, Germany
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