September weather forecastStraumnes, Norway

September

Weather in September

The first month of the autumn, September, is also a fresh month in Straumnes, Norway, with an average temperature varying between 9.3°C (48.7°F) and 11.3°C (52.3°F).

Temperature

The beginning of September records an average high-temperature of a fresh 11.3°C (52.3°F), marking a negligible difference from August's 13.5°C (56.3°F). Straumnes's September nights observe a minor shift from the daytime temperatures, resulting in an average dip to a chilly 9.3°C (48.7°F).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Straumnes, in September, it is raining for 19.3 days, with typically 88mm (3.46") of accumulated precipitation. In Straumnes, during the entire year, the rain falls for 178.7 days and collects up to 963mm (37.91") of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 13h and 14min.
On the first day of the month, sunrise is at 05:28 and sunset at 20:35. On the last day of September, sunrise is at 07:13 and sunset at 18:29 CEST.

Sunshine

The average sunshine in September is 6.2h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 3 during September, leads to the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Updated: Aug 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature during September is 11.3°C (52.3°F) and the low-temperature is 9.3°C (48.7°F).

The average relative humidity in September is 78%.

In Straumnes, Norway, in September, it is raining for 19.3 days, with typically 88mm (3.46") of accumulated precipitation.

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

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

In Straumnes, the average day length in September is 13h and 14min.

In September, on the first day of the month, sunrise is at 05:28 and sunset at 20:35. On the last day of the month, sunrise is at 07:13 and sunset at 18:29 CEST.

The average sunshine duration in September is 6.2h.

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

13.5°C

11.3°C

7.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

17.5km/h

20.8km/h

24.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

8.9

9.6

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Straumnes, Norway

Average high temperature in September: 11.3°C

The warmest month (with the highest average high temperature) is August (13.5°C).
The month with the lowest average high temperature is February (1.5°C).

Average low temperature in September: 9.3°C

The month with the highest average low temperature is August (11.2°C).
The coldest month (with the lowest average low temperature) is February (-0.8°C).

Average pressure in September
Straumnes, Norway

Average pressure in September: 1008.5mbar

The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1000.8mbar).

Average wind speed in September
Straumnes, Norway

Average wind speed in September: 19.4km/h

The windiest month (with the highest average wind speed) is December (26km/h).
The calmest month (with the lowest average wind speed) is July (15.6km/h).

Average humidity in September
Straumnes, Norway

Average humidity in September: 78%

The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is March (71%).

Average rainfall in September
Straumnes, Norway

Average rainfall in September: 88mm

The wettest month (with the highest rainfall) is December (108mm).
The driest month (with the least rainfall) is July (50mm).

Average rainfall days in September
Straumnes, Norway

Average rainfall days in September: 19.3 days

The month with the highest number of rainy days is September (19.3 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in September
Straumnes, Norway

Average snowfall in September: 0mm

The month with the highest snowfall is January (241mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Straumnes, Norway

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is March (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September: 13h and 12min

The month with the longest days is August (Average daylight: 17h and 30min).
The month with the shortest days is June (Average daylight: 0h and 0min).

Average sunshine in September: 6h and 12min

The month with the most sunshine is August (Average sunshine: 8h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 12min).