Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September sees a slight reduction in average high-temperature, with a shift from a refreshing 17°C (62.6°F) in August to a fresh 12.5°C (54.5°F). In September, Tveitsund records an average nighttime temperature of 4.7°C (40.5°F).Humidity
In September, the average relative humidity in Tveitsund is 82%.Rainfall
In Tveitsund, in September, during 16 rainfall days, 68mm (2.68") of precipitation is typically accumulated. Throughout the year, there are 158.3 rainfall days, and 822mm (32.36") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 50min.On the first day of the month, sunrise is at 06:24 and sunset at 20:26. On the last day of September, sunrise is at 07:29 and sunset at 19:01 CEST.
Sunshine
The average sunshine in September is 7h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September in Tveitsund?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Tveitsund, Norway
- Average high temperature in September: 12.5°C
The warmest month (with the highest average high temperature) is July (18.4°C).
The month with the lowest average high temperature is January (-3.6°C).
- Average low temperature in September: 4.7°C
The month with the highest average low temperature is July (8.5°C).
The coldest month (with the lowest average low temperature) is February (-8.9°C).
Average pressure in September
Tveitsund, Norway
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is April (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).
Average wind speed in September
Tveitsund, Norway
- Average wind speed in September: 8.9km/h
The windiest months (with the highest average wind speed) are January and December (9.3km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in September
Tveitsund, Norway
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is June (68%).
Average rainfall in September
Tveitsund, Norway
- Average rainfall in September: 68mm
The wettest month (with the highest rainfall) is November (93mm).
The driest month (with the least rainfall) is April (36mm).
Average rainfall days in September
Tveitsund, Norway
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is February (5.1 days).
Average snowfall in September
Tveitsund, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is December (418mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Tveitsund, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tveitsund, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Tveitsund, Norway
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is April (12.6 days).
The month with the least sunshine days is August (8.8 days).
Average UV index in September
Tveitsund, Norway
- Average UV index in September: 3
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January, February, October and December (UV index 1).
Average cloud cover in September
Tveitsund, Norway
- Average cloud cover in September: 51
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is June (Cloud cover 41).
Average visibility in September
Tveitsund, Norway
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February, March and November (6km).
