September weather forecastByafossen, Norway

September

Weather in September

September, the first month of the autumn in Byafossen, is still a mild month, with an average temperature ranging between max 13.2°C (55.8°F) and min 6.6°C (43.9°F).

Temperature

September signifies a minor drop in average high-temperature, transitioning from a comfortable 17.7°C (63.9°F) in August to a mild 13.2°C (55.8°F). An average minimum temperature of 6.6°C (43.9°F) is recorded during the month of September.

Humidity

In Byafossen, the average relative humidity in September is 82%.

Rainfall

In Byafossen, during September, the rain falls for 16.8 days and regularly aggregates up to 76mm (2.99") of precipitation. In Byafossen, during the entire year, the rain falls for 167.8 days and collects up to 717mm (28.23") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 13h and 1min.
On the first day of the month, sunrise is at 05:58 and sunset at 20:28. On the last day of September, sunrise is at 07:21 and sunset at 18:45 CEST.

Sunshine

In Byafossen, the average sunshine in September is 6.7h.

UV index

The average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index of 2 during September leads to these instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Updated: Aug 23, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature in Byafossen during September is 13.2°C (55.8°F) and the low-temperature is 6.6°C (43.9°F).

The average relative humidity in September in Byafossen is 82%.

In Byafossen, in September, during 16.8 rainfall days, 76mm (2.99") of precipitation is typically accumulated.

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

In Byafossen, in September, it doesn't snow. In October, it regularly snows.

In Byafossen, the average day length in September is 13h and 1min.

In September, on the first day of the month, sunrise is at 05:58 and sunset at 20:28. On the last day of the month, sunrise is at 07:21 and sunset at 18:45 CEST.

In Byafossen, the average sunshine duration in September is 6.7h.

The average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

17.7°C

13.2°C

6.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.1km/h

10.5km/h

11km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

10.8

11.3

10.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Byafossen, Norway

Average high temperature in September: 13.2°C

The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (-2.3°C).

Average low temperature in September: 6.6°C

The month with the highest average low temperature is July (9.5°C).
The coldest month (with the lowest average low temperature) is February (-6.5°C).

Average pressure in September
Byafossen, Norway

Average pressure in September: 1010.6mbar

The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1003.5mbar).

Average wind speed in September
Byafossen, Norway

Average wind speed in September: 9.9km/h

The windiest month (with the highest average wind speed) is January (11.7km/h).
The calmest months (with the lowest average wind speed) are July and August (8.3km/h).

Average humidity in September
Byafossen, Norway

Average humidity in September: 82%

The month with the highest relative humidity is February (90%).
The months with the lowest relative humidity are May and June (73%).

Average rainfall in September
Byafossen, Norway

Average rainfall in September: 76mm

The wettest month (with the highest rainfall) is March (78mm).
The driest month (with the least rainfall) is November (41mm).

Average rainfall days in September
Byafossen, Norway

Average rainfall days in September: 16.8 days

The month with the highest number of rainy days is August (18 days).
The month with the least rainy days is February (8 days).

Average snowfall in September
Byafossen, Norway

Average snowfall in September: 0mm

The month with the highest snowfall is March (275mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Byafossen, Norway

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is March (16 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Byafossen, Norway

Average daylight in September: 13h and 0min

The month with the longest days is June (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 4h and 24min).

Average sunshine in September: 6h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).