September weather forecastHaugesund, Norway
September weather for Haugesund, Norway: In Haugesund, Norway, snow does not fall in June through September. In Haugesund, Norway, the average seawater temperature in September is 14.8°C (58.6°F).
September
Weather in September
September stands out as the month with temperature readings retreating from August highs to settle at a milder 14.4°C (57.9°F). The approach of autumn brings a gradual decline in temperatures, daylight hours, and the number of clear days. However, Haugesund's weather in September remains warm enough to enjoy outdoor activities comfortably. The sea temperature drops but remains at levels warm enough for watersports aficionados. As autumn takes hold, September's fading summer weather begins to give way to the crisp, cooler air typical of Norway's fall.Temperature
Transitioning into September, Haugesund experiences an average high-temperature of a mild 14.4°C (57.9°F), marking a minor shift from the preceding month. Haugesund registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 12.2°C (54°F) during September.Humidity
In September, the average relative humidity in Haugesund is 79%.Rainfall
In Haugesund, in September, during 20.3 rainfall days, 123mm (4.84") of precipitation is typically accumulated. In Haugesund, Norway, during the entire year, the rain falls for 220.1 days and collects up to 1290mm (50.79") of precipitation.Snowfall
June through September are months without snowfall in Haugesund.Sea temperature
In September, the average sea temperature in Haugesund is 14.8°C (58.6°F).Note: Staying in 14.8°C (58.6°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance.
Daylight
The average length of the day in September in Haugesund is 12h and 50min.On the first day of September in Haugesund, sunrise is at 06:36 and sunset at 20:40. On the last day of the month, sunrise is at 07:43 and sunset at 19:14 CEST.
Sunshine
In September, the average sunshine in Haugesund is 5.9h.UV index
The average daily maximum UV index in September in Haugesund is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Haugesund, Norway
- Average high temperature in September: 14.4°C
The warmest month (with the highest average high temperature) is August (16.5°C).
The month with the lowest average high temperature is February (4.1°C).
- Average low temperature in September: 12.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average pressure in September
Haugesund, Norway
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1006.3mbar).
Average wind speed in September
Haugesund, Norway
- Average wind speed in September: 20.2km/h
The windiest month (with the highest average wind speed) is January (26.7km/h).
The calmest months (with the lowest average wind speed) are June and July (17.5km/h).
Average humidity in September
Haugesund, Norway
- Average humidity in September: 79%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are May, October and November (76%).
Average rainfall in September
Haugesund, Norway
- Average rainfall in September: 123mm
The wettest month (with the highest rainfall) is October (158mm).
The driest month (with the least rainfall) is April (58mm).
Average rainfall days in September
Haugesund, Norway
- Average rainfall days in September: 20.3 days
The month with the highest number of rainy days is December (21.8 days).
The month with the least rainy days is June (14.6 days).
Average snowfall in September
Haugesund, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Haugesund, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Haugesund, Norway
- Average sea temperature in September: 14.8°C
The best month for swimming (with the highest average sea temperature) is August (16.2°C).
The coldest month (with the lowest average sea temperature) is March (4.8°C).
Average daylight in September /
Average sunshine in September
Haugesund, 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: 5h and 54min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).
Average sunshine days in September
Haugesund, Norway
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is June (13.7 days).
The month with the least sunshine days is December (6.2 days).
Average UV index in September
Haugesund, Norway
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Haugesund, Norway
- Average cloud cover in September: 58
The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in September
Haugesund, Norway
- Average visibility in September: 10km
The months with the highest visibility are May, June, August and September (10km).
The months with the lowest visibility are January, February, March, April, July, October, November and December (9km).





