September weather forecast
Flemma, Norway

September

Weather in September

The first month of the autumn, September, is still a cool month in Flemma, Norway, with an average temperature ranging between min 6.5°C (43.7°F) and max 11.9°C (53.4°F).

Temperature

Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a moderate 15.7°C (60.3°F) to a fresh 11.9°C (53.4°F). September in Flemma is noted for a mean low-temperature of 6.5°C (43.7°F).

Humidity

In Flemma, Norway, the average relative humidity in September is 78%.

Rainfall

In Flemma, Norway, during September, the rain falls for 14.5 days and regularly aggregates up to 64mm (2.52") of precipitation. Throughout the year, in Flemma, there are 163.2 rainfall days, and 779mm (30.67") of precipitation is accumulated.

Snowfall

In Flemma, snow does not fall in June through September.

Daylight

In September, the average length of the day is 12h and 58min.
On the first day of September in Flemma, sunrise is at 06:15 and sunset at 20:39. On the last day of the month, sunrise is at 07:34 and sunset at 19:00 CEST.

Sunshine

In September, the average sunshine in Flemma is 7.7h.

UV index

The average daily maximum UV index in September in Flemma, Norway, is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in September, converts into the following recommendations:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What is the average September temperature in Flemma?
In September, in Flemma, the average high-temperature is 11.9°C (53.4°F), and the average low-temperature is 6.5°C (43.7°F).
What is the average humidity in September in Flemma?
In September, the average relative humidity is 78%.
How much does it rain in Flemma in September?
In September, in Flemma, the rain falls for 14.5 days. Throughout September, 64mm (2.52") of precipitation is accumulated.
When it does not snow in Flemma?
In Flemma, snow does not fall in June through September.
Does it snow in Flemma in September?
In Flemma, Norway, in September, it doesn't snow. In October, it regularly snows.
How many hours of daylight does Flemma have in September?
In Flemma, Norway, the average day length in September is 12h and 58min.
When is the sunrise / sunset in September in Flemma?
On the first day of September, sunrise is at 06:15 and sunset at 20:39. On the last day of the month, sunrise is at 07:34 and sunset at 19:00 CEST.
How many hours of sunshine does Flemma have in September?
In September, the average sunshine duration in Flemma is 7.7h.
What is the UV index reading in September in Flemma?
In Flemma, Norway, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Flemma, Norway
  • Average high temperature in September: 11.9°C

The warmest months (with the highest average high temperature) are July and August (15.7°C).
The month with the lowest average high temperature is January (-2.1°C).

  • Average low temperature in September: 6.5°C

The month with the highest average low temperature is July (8.8°C).
The coldest month (with the lowest average low temperature) is January (-5.9°C).

Average pressure in September
Flemma, Norway
  • Average pressure in September: 1010.5mbar

The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1003.7mbar).

Average wind speed in September
Flemma, Norway
  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is January (15.6km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).

Average humidity in September
Flemma, Norway
  • Average humidity in September: 78%

The month with the highest relative humidity is March (86%).
The months with the lowest relative humidity are May and June (77%).

Average rainfall in September
Flemma, Norway
  • Average rainfall in September: 64mm

The wettest month (with the highest rainfall) is January (92mm).
The driest month (with the least rainfall) is November (36mm).

Average rainfall days in September
Flemma, Norway
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is February (9 days).

Average snowfall in September
Flemma, Norway
  • Average snowfall in September: 0mm

The months with the highest snowfall are January and February (347mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Flemma, Norway
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is March (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Flemma, Norway
  • Average daylight in September: 13h and 0min

The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 5h and 0min).

  • Average sunshine in September: 7h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).

Average sunshine days in September
Flemma, Norway
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is July (8.6 days).

Average UV index in September
Flemma, Norway
  • Average UV index in September: 2

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are March and December (UV index 1).

Average cloud cover in September
Flemma, Norway
  • Average cloud cover in September: 49

The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is November (Cloud cover 46).

Average visibility in September
Flemma, Norway
  • Average visibility in September: 9km

The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is March (8km).

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