September weather forecastRakkestad, Norway

September

Weather in September

The first month of the autumn, September, is still a mild month in Rakkestad, Norway, with temperature in the range of an average low of 10°C (50°F) and an average high of 15.4°C (59.7°F).

Temperature

September indicates a minor shift in the average high-temperature, from August's comfortable 18.8°C (65.8°F) to a still refreshing 15.4°C (59.7°F). In September, Rakkestad experiences a temperature dip to an average of 10°C (50°F) at night.

Humidity

In Rakkestad, the average relative humidity in September is 79%.

Rainfall

In Rakkestad, in September, during 11.7 rainfall days, 32mm (1.26") of precipitation is typically accumulated. In Rakkestad, Norway, during the entire year, the rain falls for 140.1 days and collects up to 339mm (13.35") of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 50min.
On the first day of the month, sunrise is at 06:12 and sunset at 20:16. On the last day of September, in Rakkestad, sunrise is at 07:18 and sunset at 18:50 CEST.

Sunshine

In September, the average sunshine is 8.2h.

UV index

In Rakkestad, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 4 during September translates into the following guidance:
Ensure safety - Recommendations to avert sunburn are presented. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.

Frequently asked questions

The average high-temperature, in September, in Rakkestad, is 15.4°C (59.7°F), while the average low-temperature is 10°C (50°F).

The average relative humidity in September in Rakkestad is 79%.

In Rakkestad, in September, during 11.7 rainfall days, 32mm (1.26") of precipitation is typically accumulated.

June through September are months without snowfall in Rakkestad.

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

In Rakkestad, Norway, the average day length in September is 12h and 50min.

In September, on the first day of the month, sunrise is at 06:12 and sunset at 20:16. On the last day of the month, in Rakkestad, sunrise is at 07:18 and sunset at 18:50 CEST.

In Rakkestad, the average sunshine duration in September is 8.2h.

The average daily maximum UV index in September in Rakkestad is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rakkestad, Norway

  • Average high temperature in September: 15.4°C

The warmest month (with the highest average high temperature) is July (19.8°C).
The months with the lowest average high temperature are January and February (0.1°C).

  • Average low temperature in September: 10°C

The months with the highest average low temperature are July and August (12.9°C).
The coldest month (with the lowest average low temperature) is February (-4°C).

Average pressure in September
Rakkestad, Norway

  • Average pressure in September: 1012.8mbar

The month with the highest atmospheric pressure is April (1014.3mbar).
The month with the lowest atmospheric pressure is December (1008mbar).

Average wind speed in September
Rakkestad, Norway

  • Average wind speed in September: 15.1km/h

The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).

Average humidity in September
Rakkestad, Norway

  • Average humidity in September: 79%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (71%).

Average rainfall in September
Rakkestad, Norway

  • Average rainfall in September: 32mm

The wettest months (with the highest rainfall) are July and August (44mm).
The driest month (with the least rainfall) is January (15mm).

Average rainfall days in September
Rakkestad, Norway

  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.5 days).

Average snowfall in September
Rakkestad, Norway

  • Average snowfall in September: 0mm

The month with the highest snowfall is March (30mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Rakkestad, Norway

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in September: 8h and 12min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).

Average sunshine days in September
Rakkestad, Norway

  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is July (11 days).

Average UV index in September
Rakkestad, Norway

  • Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Rakkestad, Norway

  • Average cloud cover in September: 42

The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are June, July and August (Cloud cover 38).

Average visibility in September
Rakkestad, Norway

  • Average visibility in September: 10km

The months with the highest visibility are April, May, June, August and September (10km).
The months with the lowest visibility are January, February, March, July, October, November and December (9km).