September weather forecastHeiligenberg, Austria
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Heiligenberg, Austria, with an average temperature fluctuating between 8.9°C (48°F) and 18.7°C (65.7°F).Temperature
Heiligenberg observes a minor decrease in the average high-temperature with the arrival of September, falling from August's warm 23.9°C (75°F) to an enjoyable 18.7°C (65.7°F). Heiligenberg witnesses an average low-temperature of 8.9°C (48°F) throughout the month of September.Humidity
In Heiligenberg, Austria, the average relative humidity in September is 81%.Rainfall
In September, the rain falls for 14.2 days. Throughout September, 60mm (2.36") of precipitation is accumulated. In Heiligenberg, during the entire year, the rain falls for 172.5 days and collects up to 702mm (27.64") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Heiligenberg, the average length of the day in September is 12h and 35min.On the first day of September in Heiligenberg, sunrise is at 06:22 and sunset at 19:46. On the last day of the month, sunrise is at 07:03 and sunset at 18:45 CEST.
Sunshine
The average sunshine in September in Heiligenberg is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Heiligenberg, Austria
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is August (12.4°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Heiligenberg, Austria
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is May (1015.6mbar).
Average wind speed in September
Heiligenberg, Austria
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is March (10.3km/h).
The calmest month (with the lowest average wind speed) is August (6.8km/h).
Average humidity in September
Heiligenberg, Austria
- Average humidity in September: 81%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Heiligenberg, Austria
- Average rainfall in September: 60mm
The wettest months (with the highest rainfall) are May, June and July (81mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Heiligenberg, Austria
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in September
Heiligenberg, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (177mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Heiligenberg, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Heiligenberg, Austria
- 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 30min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in September
Heiligenberg, Austria
- Average sunshine days in September: 13.9 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (8.8 days).
Average UV index in September
Heiligenberg, Austria
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Heiligenberg, Austria
- Average cloud cover in September: 39
The months with the most cloud cover are January and February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Heiligenberg, Austria
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January and February (7km).
