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 shift from August to September involves a decrease in the average high-temperature, dropping from a warm 25.3°C (77.5°F) to an agreeable 20.3°C (68.5°F). An average nighttime temperature of 11.2°C (52.2°F) is witnessed throughout September.Humidity
In September, the average relative humidity is 73%.Rainfall
In Gau-Heppenheim, Germany, in September, during 9.2 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Gau-Heppenheim, Germany, during the entire year, the rain falls for 139 days and collects up to 273mm (10.75") of precipitation.Snowfall
In Gau-Heppenheim, Germany, snow does not fall in April through September.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 06:43 and sunset at 20:10. On the last day of the month, sunrise is at 07:26 and sunset at 19:07 CEST.
Sunshine
The average sunshine in September in Gau-Heppenheim is 8.7h.UV index
The average daily maximum UV index in September in Gau-Heppenheim is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gau-Heppenheim in September?
What is the average humidity in September in Gau-Heppenheim?
How many days does it rain in September in Gau-Heppenheim?
When it does not snow in Gau-Heppenheim?
Does it snow in Gau-Heppenheim in September?
How many hours of daylight does Gau-Heppenheim have in September?
When is the sunrise / sunset in September in Gau-Heppenheim?
How many hours of sunshine does Gau-Heppenheim have in September?
What is the UV index reading in September in Gau-Heppenheim?
Average temperature in September
Gau-Heppenheim, Germany
- Average high temperature in September: 20.3°C
The warmest months (with the highest average high temperature) are July and August (25.3°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Gau-Heppenheim, Germany
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.7mbar).
The month with the lowest atmospheric pressure is November (1014.8mbar).
Average wind speed in September
Gau-Heppenheim, Germany
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is February (12.4km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Gau-Heppenheim, Germany
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (86%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in September
Gau-Heppenheim, Germany
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is May (37mm).
The driest month (with the least rainfall) is March (13mm).
Average rainfall days in September
Gau-Heppenheim, Germany
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is September (9.2 days).
Average snowfall in September
Gau-Heppenheim, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (26mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Gau-Heppenheim, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 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
Gau-Heppenheim, Germany
- Average daylight in September: 12h and 4min
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 4min
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 0min).
Average sunshine days in September
Gau-Heppenheim, Germany
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Gau-Heppenheim, Germany
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Gau-Heppenheim, Germany
- Average cloud cover in September: 36
The month with the most cloud cover is December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Gau-Heppenheim, Germany
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).
Gau-Heppenheim, Germany
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