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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).





