September weather forecastGrambach, Austria
September
Weather in September
September, the first month of the autumn in Grambach, is still a comfortable month, with an average temperature varying between 19.9°C (67.8°F) and 9.4°C (48.9°F).Temperature
September's arrival corresponds with a decrease in average high-temperatures, from August's moderately hot 25.7°C (78.3°F) to an enjoyable 19.9°C (67.8°F). Grambach encounters a steady low-temperature average of 9.4°C (48.9°F) throughout the month of September.Humidity
In Grambach, the average relative humidity in September is 77%.Rainfall
In Grambach, during September, the rain falls for 12.9 days and regularly aggregates up to 48mm (1.89") of precipitation. In Grambach, during the entire year, the rain falls for 160.7 days and collects up to 559mm (22.01") of precipitation.Snowfall
In Grambach, snow does not fall in May through September.Daylight
In Grambach, the average length of the day in September is 12h and 34min.On the first day of September in Grambach, sunrise is at 06:18 and sunset at 19:37. On the last day of the month, sunrise is at 06:56 and sunset at 18:39 CEST.
Sunshine
In September, the average sunshine is 9.3h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grambach, Austria
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is August (25.7°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is July (13.5°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in September
Grambach, Austria
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is May (1015.2mbar).
Average wind speed in September
Grambach, Austria
- Average wind speed in September: 5.7km/h
The windiest months (with the highest average wind speed) are April and May (7.1km/h).
The calmest month (with the lowest average wind speed) is November (5.3km/h).
Average humidity in September
Grambach, Austria
- Average humidity in September: 77%
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Grambach, Austria
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is July (85mm).
The driest month (with the least rainfall) is January (18mm).
Average rainfall days in September
Grambach, Austria
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in September
Grambach, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is February (89mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Grambach, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 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
Grambach, Austria
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 9h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Grambach, Austria
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is May (6.7 days).
Average UV index in September
Grambach, Austria
- 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, October, November and December (UV index 2).
Average cloud cover in September
Grambach, Austria
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Grambach, Austria
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July, August and December (9km).
The months with the lowest visibility are January, February, September, October and November (8km).
