Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The shift into September records an average high-temperature of a still refreshing 13.1°C (55.6°F), subtly varied from August's 15.8°C (60.4°F). Hjelmeland's nighttime average temperature in September drops marginally from the daytime highs, settling at a chilly 9.4°C (48.9°F).Humidity
The average relative humidity in September is 81%.Rainfall
In Hjelmeland, during September, the rain falls for 18.2 days and regularly aggregates up to 105mm (4.13") of precipitation. Throughout the year, there are 197.9 rainfall days, and 1189mm (46.81") of precipitation is accumulated.Snowfall
In Hjelmeland, snow does not fall in June through September.Sea temperature
In Hjelmeland, the average seawater temperature in September is 15°C (59°F).Note: Swimming in water with a temperature of 15°C (59°F) is not a pleasurable experience for the majority. As the temperature falls below 21°C (69.8°F), it becomes increasingly hard to control one's breathing.
Daylight
In Hjelmeland, the average length of the day in September is 12h and 50min.On the first day of September in Hjelmeland, sunrise is at 06:33 and sunset at 20:36. On the last day of the month, sunrise is at 07:39 and sunset at 19:10 CEST.
Sunshine
The average sunshine in September is 6.5h.UV index
In Hjelmeland, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
What is the average September temperature in Hjelmeland?
What is the average humidity in September in Hjelmeland?
How many days does it rain in September in Hjelmeland?
When it does not snow in Hjelmeland?
Does it snow in Hjelmeland in September?
How cold is the water in September in Hjelmeland?
What is the average length of the day in September in Hjelmeland?
When is the sunrise / sunset in September in Hjelmeland?
How long on average sun shines in September in Hjelmeland?
What is the UV index reading in September in Hjelmeland?
Average temperature in September
Hjelmeland, Norway
- Average high temperature in September: 13.1°C
The warmest months (with the highest average high temperature) are July and August (15.8°C).
The month with the lowest average high temperature is February (1.2°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is August (11.6°C).
The coldest month (with the lowest average low temperature) is February (-2.2°C).
Average pressure in September
Hjelmeland, Norway
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in September
Hjelmeland, Norway
- Average wind speed in September: 14.2km/h
The windiest month (with the highest average wind speed) is January (18.6km/h).
The calmest month (with the lowest average wind speed) is June (11.2km/h).
Average humidity in September
Hjelmeland, Norway
- Average humidity in September: 81%
The month with the highest relative humidity is March (84%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Hjelmeland, Norway
- Average rainfall in September: 105mm
The wettest month (with the highest rainfall) is December (161mm).
The driest month (with the least rainfall) is April (54mm).
Average rainfall days in September
Hjelmeland, Norway
- Average rainfall days in September: 18.2 days
The month with the highest number of rainy days is August (19.6 days).
The month with the least rainy days is February (12.4 days).
Average snowfall in September
Hjelmeland, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (189mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hjelmeland, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (10 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Hjelmeland, Norway
- Average sea temperature in September: 15°C
The best month for swimming (with the highest average sea temperature) is August (16.6°C).
The coldest month (with the lowest average sea temperature) is March (4.6°C).
Average daylight in September /
Average sunshine in September
Hjelmeland, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Hjelmeland, Norway
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is December (9.4 days).
Average UV index in September
Hjelmeland, Norway
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are February and December (UV index 1).
Average cloud cover in September
Hjelmeland, Norway
- Average cloud cover in September: 53
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 46).
Average visibility in September
Hjelmeland, Norway
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Hjelmeland, Norway
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