September weather forecastOppenheim, Germany
September
Weather in September
September, the first month of the autumn in Oppenheim, is also an agreeable month, with an average temperature varying between 20.2°C (68.4°F) and 11.1°C (52°F).Temperature
Oppenheim records a mild change in average high-temperature during September, easing from a warm 24.9°C (76.8°F) in August to an agreeable 20.2°C (68.4°F). Throughout September, Oppenheim witnesses a nighttime temperature average of 11.1°C (52°F).Humidity
In Oppenheim, Germany, the average relative humidity in September is 73%.Rainfall
In September, the rain falls for 9.6 days. Throughout September, 22mm (0.87") of precipitation is accumulated. In Oppenheim, during the entire year, the rain falls for 146.5 days and collects up to 366mm (14.41") of precipitation.Snowfall
In Oppenheim, snow does not fall in May through October.Daylight
In Oppenheim, the average length of the day in September is 12h and 37min.On the first day of September in Oppenheim, Germany, sunrise is at 06:42 and sunset at 20:10. On the last day of the month, sunrise is at 07:25 and sunset at 19:06 CEST.
Sunshine
The average sunshine in September in Oppenheim is 8.6h.UV index
In Oppenheim, Germany, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oppenheim, 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
Oppenheim, 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
Oppenheim, 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
Oppenheim, 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
Oppenheim, 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
Oppenheim, 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
Oppenheim, 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
Oppenheim, 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
Oppenheim, 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
Oppenheim, 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
Oppenheim, 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
Oppenheim, 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
Oppenheim, 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).





