September weather forecastVennesla, Norway
September
Weather in September
The first month of the autumn, September, is still a mild month in Vennesla, Norway, with an average temperature ranging between max 14.9°C (58.8°F) and min 10.7°C (51.3°F).Temperature
The shift to September signals an average high-temperature of a mild 14.9°C (58.8°F), subtly varied from August's 17.9°C (64.2°F). Throughout September, Vennesla records a steady low-temperature average of 10.7°C (51.3°F), a minor decrease from its daytime counterpart.Humidity
In Vennesla, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 14.7 days. Throughout September, 75mm (2.95") of precipitation is accumulated. Throughout the year, in Vennesla, there are 163.3 rainfall days, and 854mm (33.62") of precipitation is accumulated.Snowfall
In Vennesla, snow does not fall in May through September.Daylight
In Vennesla, the average length of the day in September is 12h and 49min.On the first day of September, sunrise is at 06:28 and sunset at 20:27. On the last day of the month, sunrise is at 07:31 and sunset at 19:04 CEST.
Sunshine
In Vennesla, the average sunshine in September is 7.5h.UV index
In Vennesla, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 3 during September translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vennesla, Norway
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is July (18.4°C).
The month with the lowest average high temperature is February (1.9°C).
- Average low temperature in September: 10.7°C
The months with the highest average low temperature are July and August (12.8°C).
The coldest month (with the lowest average low temperature) is February (-1.4°C).
Average pressure in September
Vennesla, Norway
- Average pressure in September: 1013mbar
The months with the highest atmospheric pressure are April and May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Vennesla, Norway
- Average wind speed in September: 18.9km/h
The windiest month (with the highest average wind speed) is January (21.8km/h).
The calmest month (with the lowest average wind speed) is June (16.5km/h).
Average humidity in September
Vennesla, Norway
- Average humidity in September: 80%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in September
Vennesla, Norway
- Average rainfall in September: 75mm
The wettest month (with the highest rainfall) is November (92mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Vennesla, Norway
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is November (17.3 days).
The month with the least rainy days is February (9.6 days).
Average snowfall in September
Vennesla, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (115mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Vennesla, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vennesla, Norway
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Vennesla, Norway
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is April (16.4 days).
The month with the least sunshine days is November (10.2 days).
Average UV index in September
Vennesla, Norway
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Vennesla, Norway
- Average cloud cover in September: 46
The month with the most cloud cover is November (Cloud cover 64).
The month with the least cloud cover is June (Cloud cover 36).
Average visibility in September
Vennesla, Norway
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, October, November and December (9km).
