September weather forecastSponheim, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Sponheim, Germany, with an average temperature ranging between min 9.3°C (48.7°F) and max 18.9°C (66°F).Temperature
Sponheim observes a small decrease in the average high-temperature with the arrival of September, falling from August's moderately hot 23.4°C (74.1°F) to an enjoyable 18.9°C (66°F). During September, Sponheim's temperature falls to a steady low-temperature average of 9.3°C (48.7°F).Humidity
In September, the average relative humidity in Sponheim is 79%.Rainfall
In Sponheim, in September, during 13.1 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, in Sponheim, there are 153.9 rainfall days, and 437mm (17.2") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Sponheim, the average length of the day in September is 12h and 37min.On the first day of September in Sponheim, sunrise is at 06:45 and sunset at 20:12. On the last day of the month, sunrise is at 07:28 and sunset at 19:09 CEST.
Sunshine
In September, the average sunshine in Sponheim is 8.1h.UV index
In Sponheim, the average daily maximum UV index in September is 3. 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 3 suggests these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sponheim, Germany
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is July (23.5°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is August (12.7°C).
The coldest months (with the lowest average low temperature) are January and February (-1.3°C).
Average pressure in September
Sponheim, Germany
- Average pressure in September: 1018mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed in September
Sponheim, Germany
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in September
Sponheim, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall in September
Sponheim, Germany
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (58mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in September
Sponheim, Germany
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Sponheim, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is February (53mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sponheim, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sponheim, 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 6min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Sponheim, Germany
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is March (18.1 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in September
Sponheim, Germany
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Sponheim, Germany
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Sponheim, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, October, November and December (7km).





