Fredrikstad
Norway
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Fredrikstad, Norway

The first month of the autumn, Septiembre, is still a mild month in Fredrikstad, Norway, with average temperature ranging between max 15°C (59°F) and min 8°C (46.4°F).

Temperature

In Fredrikstad, the average high-temperature drops, from an agreeable 20°C (68°F) in Agosto, to a mild 15°C (59°F). In Fredrikstad, the average low-temperature is 8°C (46.4°F).

Rainfall

In Fredrikstad, during Septiembre, the rain falls for 16 days and regularly aggregates up to 90mm (3.54") of precipitation. Throughout the year, in Fredrikstad, there are 179 rainfall days, and 808mm (31.81") of precipitation is accumulated.

Sea temperature

In Fredrikstad, the average seawater temperature is 15.8°C (60.4°F).
Note: For swimming, a surface water temperature of 15.8°C (60.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In Septiembre, the average length of the day is 12.8h.

Sunshine

In Fredrikstad, the average sunshine in Septiembre is 5h.

UV index

In Fredrikstad, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 3 in Septiembre transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in Septiembre in Fredrikstad?

In Fredrikstad, in Septiembre, the average high-temperature is 15°C (59°F), and the average low-temperature is 8°C (46.4°F).

How much does it rain in Fredrikstad in Septiembre?

In Septiembre, in Fredrikstad, the rain falls for 16 days. Throughout Septiembre, 90mm (3.54") of precipitation is accumulated.

How cold is the water in Septiembre in Fredrikstad?

In Septiembre, the average sea temperature in Fredrikstad is 15.8°C (60.4°F). For swimming, a surface water temperature of 15.8°C (60.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

How many hours of daylight does Fredrikstad have in Septiembre?

The average length of the day in Septiembre in Fredrikstad, Norway, is 12.8h.

How long on average sun shines in Septiembre in Fredrikstad?

The average sunshine in Septiembre in Fredrikstad is 5h.

How high is the UV index in Septiembre in Fredrikstad?

In Septiembre, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.
Average temperature in September - Fredrikstad, Norway
  • Average high temperature in September: 15°C

The warmest month (with the highest average high temperature) is July (21°C).
Months with the lowest average high temperature are January and February (0°C).

  • Average low temperature in September: 8°C

The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is February (-7°C).

Average rainfall in September - Fredrikstad, Norway
  • Average rainfall in September: 90mm

The wettest month (with the highest rainfall) is October (104mm).
Driest months (with the lowest rainfall) are February and April (42mm).

Average rainfall days in September - Fredrikstad, Norway
  • Average rainfall days in September: 16 days

The month with the highest number of rainy days is November (18 days).
The month with the lowest number of rainy days is April (12 days).

Average sea temperature in September - Fredrikstad, Norway
  • Average sea temperature in September: 15.8°C

The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).

Average daylight in September / Average sunshine in September - Fredrikstad, Norway
  • Average daylight in September: 12.8h

The month with the longest days is June (Average daylight: 18.5h).
The month with shortest days is December (Average daylight: 6.3h).

  • Average sunshine in September: 5h

The month with most sunshine is June (Average sunshine: 9h).
Months with least sunshine are January and December (Average sunshine: 1).

Average UV index in September - Fredrikstad, Norway
  • Average UV index in September: 3

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, November and December (UV index 0).