September weather forecastAchstetten, Germany
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Achstetten, Germany, with an average temperature ranging between min 8.5°C (47.3°F) and max 18.1°C (64.6°F).Temperature
September indicates a minor shift in the average high-temperature, from August's pleasant 22.8°C (73°F) to an enjoyable 18.1°C (64.6°F). In the month of September, the nighttime temperature in Achstetten dips to a steady average of 8.5°C (47.3°F).Humidity
In September, the average relative humidity in Achstetten is 83%.Rainfall
In Achstetten, during September, the rain falls for 15 days and regularly aggregates up to 48mm (1.89") of precipitation. Throughout the year, in Achstetten, there are 178.1 rainfall days, and 685mm (26.97") of precipitation is accumulated.Snowfall
In Achstetten, snow does not fall in June through September.Daylight
In September, the average length of the day in Achstetten is 12h and 35min.On the first day of the month, sunrise is at 06:38 and sunset at 20:01. On the last day of September, in Achstetten, sunrise is at 07:19 and sunset at 19:01 CEST.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index in Achstetten is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 3 translates into these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Achstetten, Germany
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (1.9°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is February (-3.3°C).
Average pressure in September
Achstetten, Germany
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is November (1015.6mbar).
Average wind speed in September
Achstetten, Germany
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is December (13.4km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).
Average humidity in September
Achstetten, Germany
- Average humidity in September: 83%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Achstetten, Germany
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is August (95mm).
The driest month (with the least rainfall) is February (33mm).
Average rainfall days in September
Achstetten, Germany
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is May (22.1 days).
The month with the least rainy days is February (7 days).
Average snowfall in September
Achstetten, Germany
- Average snowfall in September: 0mm
The months with the highest snowfall are January and December (87mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Achstetten, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Achstetten, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Achstetten, Germany
- Average sunshine days in September: 12.8 days
The months with the most sunshine days are October and November (15.9 days).
The month with the least sunshine days is May (7 days).
Average UV index in September
Achstetten, 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
Achstetten, Germany
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Achstetten, 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 and February (7km).
