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 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
September
Weather in September
Temperature
The onset of September notes an average high-temperature of a still refreshing 13.9°C (57°F), subtly shifted from August's 15.7°C (60.3°F). A slight dip in temperature to a cool 11.6°C (52.9°F) marks the average nights during September.Humidity
The average relative humidity in September is 78%.Rainfall
In Hjelmo, in September, during 21.8 rainfall days, 161mm (6.34") of precipitation is typically accumulated. In Hjelmo, during the entire year, the rain falls for 229.7 days and collects up to 1406mm (55.35") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Hjelmo is 12h and 52min.On the first day of the month, sunrise is at 06:35 and sunset at 20:44. On the last day of September, sunrise is at 07:45 and sunset at 19:15 CEST.
Sunshine
The average sunshine in September is 5.7h.UV index
In Hjelmo, 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 ordinary individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Hjelmo?
What is the average humidity in September in Hjelmo?
How much does it rain in Hjelmo in September?
When it does not snow in Hjelmo?
Does it snow in Hjelmo in September?
How many hours of daylight does Hjelmo have in September?
What time are sunrise and sunset in September in Hjelmo?
How many hours of sunshine does Hjelmo have in September?
How high is the UV index in September in Hjelmo?
Average temperature in September
Hjelmo, Norway
- Average high temperature in September: 13.9°C
The warmest month (with the highest average high temperature) is August (15.7°C).
The month with the lowest average high temperature is February (4.3°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in September
Hjelmo, Norway
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1005mbar).
Average wind speed in September
Hjelmo, Norway
- Average wind speed in September: 23.6km/h
The windiest month (with the highest average wind speed) is January (29.5km/h).
The calmest month (with the lowest average wind speed) is July (18.5km/h).
Average humidity in September
Hjelmo, Norway
- Average humidity in September: 78%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in September
Hjelmo, Norway
- Average rainfall in September: 161mm
The wettest month (with the highest rainfall) is October (178mm).
The driest month (with the least rainfall) is June (56mm).
Average rainfall days in September
Hjelmo, Norway
- Average rainfall days in September: 21.8 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is June (14.7 days).
Average snowfall in September
Hjelmo, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (51mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hjelmo, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hjelmo, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 5h and 4min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The months with the least sunshine are January and December (Average sunshine: 2h and 12min).
Average sunshine days in September
Hjelmo, Norway
- Average sunshine days in September: 7.2 days
The month with the most sunshine days is June (13.5 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in September
Hjelmo, Norway
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Hjelmo, Norway
- Average cloud cover in September: 60
The months with the most cloud cover are January and December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in September
Hjelmo, Norway
- Average visibility in September: 9km
The months with the highest visibility are May, June, July and August (10km).
The months with the lowest visibility are January, February, March, April, September, October, November and December (9km).
