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
As August turns into September, the average high-temperatures rest at a still moderate 13.2°C (55.8°F), showing a minor variation from the prior month. With a barely noticeable fluctuation in temperature, Florø reaches an average low of 11.1°C (52°F) during the September nights.Humidity
The average relative humidity in September is 78%.Rainfall
In Florø, Norway, in September, it is raining for 18.9 days, with typically 82mm (3.23") of accumulated precipitation. Throughout the year, in Florø, there are 198.7 rainfall days, and 966mm (38.03") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Sea temperature
In September, the average sea temperature in Florø is 13.8°C (56.8°F).Note: Danger awaits those who swim in 13.8°C (56.8°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.
Daylight
In September, the average length of the day in Florø is 12h and 55min.On the first day of the month, sunrise is at 06:32 and sunset at 20:47. On the last day of September, in Florø, sunrise is at 07:45 and sunset at 19:13 CEST.
Sunshine
In September, the average sunshine in Florø, Norway, is 5.9h.UV index
In September, the average daily maximum UV index in Florø is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Florø in September?
What is the average humidity in September in Florø?
How much does it rain in Florø in September?
When it does not snow in Florø?
Does it snow in Florø in September?
How cold is the water in September in Florø?
What is the average length of the day in September in Florø?
What time are sunrise and sunset in September in Florø?
How long on average sun shines in September in Florø?
What is the UV index reading in September in Florø?
Average temperature in September
Florø, Norway
- Average high temperature in September: 13.2°C
The warmest month (with the highest average high temperature) is August (15.3°C).
The month with the lowest average high temperature is February (2.8°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (0.7°C).
Average pressure in September
Florø, Norway
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1004mbar).
Average wind speed in September
Florø, Norway
- Average wind speed in September: 20.1km/h
The windiest month (with the highest average wind speed) is December (25.6km/h).
The calmest month (with the lowest average wind speed) is July (15.8km/h).
Average humidity in September
Florø, 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
Florø, Norway
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is October (125mm).
The driest month (with the least rainfall) is June (45mm).
Average rainfall days in September
Florø, Norway
- Average rainfall days in September: 18.9 days
The month with the highest number of rainy days is October (19.2 days).
The month with the least rainy days is February (13.6 days).
Average snowfall in September
Florø, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (118mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Florø, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Florø, Norway
- Average sea temperature in September: 13.8°C
The best month for swimming (with the highest average sea temperature) is August (14.4°C).
The coldest month (with the lowest average sea temperature) is March (5.1°C).
Average daylight in September /
Average sunshine in September
Florø, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 2h and 18min).
Average sunshine days in September
Florø, Norway
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is May (14 days).
The months with the least sunshine days are February and March (8.4 days).
Average UV index in September
Florø, 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 February (UV index 1).
Average cloud cover in September
Florø, Norway
- Average cloud cover in September: 58
The months with the most cloud cover are January and December (Cloud cover 67).
The months with the least cloud cover are May and June (Cloud cover 49).
Average visibility in September
Florø, 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).
