September weather forecastInsel, Germany
September
Weather in September
September, the first month of the autumn in Insel, is also an enjoyable month, with temperature in the range of an average high of 19.3°C (66.7°F) and an average low of 11.1°C (52°F).Temperature
The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 24°C (75.2°F) in August to a refreshing 19.3°C (66.7°F). An average temperature of 11.1°C (52°F) is recorded in Insel during the nights in September.Humidity
The average relative humidity in September in Insel is 75%.Rainfall
In September, in Insel, the rain falls for 11.2 days. Throughout September, 31mm (1.22") of precipitation is accumulated. In Insel, during the entire year, the rain falls for 177.2 days and collects up to 433mm (17.05") of precipitation.Snowfall
In Insel, snow does not fall in May through October.Daylight
In September, the average length of the day in Insel is 12h and 40min.On the first day of September, sunrise is at 06:24 and sunset at 20:00. On the last day of the month, sunrise is at 07:13 and sunset at 18:52 CEST.
Sunshine
The average sunshine in September in Insel is 8.5h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Insel, Germany
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (-1.5°C).
Average pressure in September
Insel, Germany
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).
Average wind speed in September
Insel, Germany
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (16.3km/h).
The calmest month (with the lowest average wind speed) is August (11km/h).
Average humidity in September
Insel, Germany
- Average humidity in September: 75%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Insel, Germany
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Insel, Germany
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is September (11.2 days).
Average snowfall in September
Insel, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Insel, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Insel, Germany
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 8h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Insel, Germany
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in September
Insel, Germany
- Average UV index in September: 4
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, November and December (UV index 2).
Average cloud cover in September
Insel, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Insel, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, November and December (8km).
