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 sea temperature 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
Tjeldstø, Norway, marks the onset of September with an average high-temperature of a still mild 14°C (57.2°F), subtly divergent from August's 15.7°C (60.3°F). Tjeldstø's September nights demonstrate minimal variation from the daytime temperatures, with an average of 11.9°C (53.4°F).Humidity
In Tjeldstø, the average relative humidity in September is 78%.Rainfall
In Tjeldstø, in September, it is raining for 21.3 days, with typically 136mm (5.35") of accumulated precipitation. Throughout the year, in Tjeldstø, there are 229.2 rainfall days, and 1381mm (54.37") of precipitation is accumulated.Snowfall
In Tjeldstø, snow does not fall in June through September.Sea temperature
In September, the average sea temperature in Tjeldstø is 14.5°C (58.1°F).Note: Danger awaits those who swim in 14.5°C (58.1°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.
Daylight
The average length of the day in September is 12h and 53min.On the first day of the month, sunrise is at 06:35 and sunset at 20:45. On the last day of September, in Tjeldstø, Norway, sunrise is at 07:45 and sunset at 19:15 CEST.
Sunshine
In September, the average sunshine is 5.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 3 transforms into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Tjeldstø in September?
What is the average humidity in September in Tjeldstø?
How much does it rain in Tjeldstø in September?
When it does not snow in Tjeldstø?
Does it snow in Tjeldstø in September?
How cold is the water in September in Tjeldstø?
How many hours of daylight does Tjeldstø have in September?
When is the sunrise / sunset in September in Tjeldstø?
How many hours of sunshine does Tjeldstø have in September?
What is the UV index reading in September in Tjeldstø?
Average temperature in September
Tjeldstø, Norway
- Average high temperature in September: 14°C
The warmest month (with the highest average high temperature) is August (15.7°C).
The month with the lowest average high temperature is February (4.3°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in September
Tjeldstø, Norway
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1005mbar).
Average wind speed in September
Tjeldstø, Norway
- Average wind speed in September: 23km/h
The windiest month (with the highest average wind speed) is January (29.5km/h).
The calmest month (with the lowest average wind speed) is July (18.5km/h).
Average humidity in September
Tjeldstø, Norway
- Average humidity in September: 78%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in September
Tjeldstø, Norway
- Average rainfall in September: 136mm
The wettest month (with the highest rainfall) is October (178mm).
The driest month (with the least rainfall) is June (56mm).
Average rainfall days in September
Tjeldstø, Norway
- Average rainfall days in September: 21.3 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is June (14.7 days).
Average snowfall in September
Tjeldstø, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (51mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Tjeldstø, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Tjeldstø, Norway
- Average sea temperature in September: 14.5°C
The best month for swimming (with the highest average sea temperature) is August (15.2°C).
The coldest month (with the lowest average sea temperature) is March (4.7°C).
Average daylight in September /
Average sunshine in September
Tjeldstø, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The months with the least sunshine are January and December (Average sunshine: 2h and 12min).
Average sunshine days in September
Tjeldstø, Norway
- Average sunshine days in September: 7.7 days
The month with the most sunshine days is June (13.5 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in September
Tjeldstø, Norway
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Tjeldstø, Norway
- Average cloud cover in September: 58
The months with the most cloud cover are January and December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in September
Tjeldstø, Norway
- Average visibility in September: 9km
The months with the highest visibility are May, June, July and August (10km).
The months with the lowest visibility are January, February, March, April, September, October, November and December (9km).
