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 commencement of September records an average high-temperature of a fresh 10.9°C (51.6°F), barely varying from August's 13.8°C (56.8°F). The nights of September cool down to an average low of 7.9°C (46.2°F), subtly lower than daytime highs.Humidity
In Hamnvik, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 17.5 days. Throughout September, 65mm (2.56") of precipitation is accumulated. In Hamnvik, during the entire year, the rain falls for 154.2 days and collects up to 862mm (33.94") of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 3mm (0.12") of snow. In Hamnvik, during the entire year, snow falls for 94.6 days and aggregates up to 1922mm (75.67") of snow.Daylight
In Hamnvik, the average length of the day in September is 13h and 16min.On the first day of the month, sunrise is at 05:15 and sunset at 20:26. On the last day of September, sunrise is at 07:03 and sunset at 18:18 CEST.
Sunshine
In Hamnvik, the average sunshine in September is 6.5h.UV index
In Hamnvik, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 2 in September transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
How many hours of daylight does Hamnvik have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Hamnvik, Norway
- Average high temperature in September: 10.9°C
The warmest month (with the highest average high temperature) is July (14.1°C).
The month with the lowest average high temperature is February (-1.2°C).
- Average low temperature in September: 7.9°C
The months with the highest average low temperature are July and August (9.9°C).
The coldest month (with the lowest average low temperature) is February (-4.5°C).
Average pressure in September
Hamnvik, Norway
- Average pressure in September: 1008.9mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1000.9mbar).
Average wind speed in September
Hamnvik, Norway
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is March (19.3km/h).
The calmest month (with the lowest average wind speed) is July (11.1km/h).
Average humidity in September
Hamnvik, Norway
- Average humidity in September: 79%
The month with the highest relative humidity is April (83%).
The months with the lowest relative humidity are October, November and December (77%).
Average rainfall in September
Hamnvik, Norway
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is March (95mm).
The driest months (with the least rainfall) are May and July (53mm).
Average rainfall days in September
Hamnvik, Norway
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is September (17.5 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Hamnvik, Norway
- Average snowfall in September: 3mm
The month with the highest snowfall is March (417mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Hamnvik, Norway
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is March (19.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Hamnvik, Norway
- Average daylight in September: 13h and 2min
The month with the longest days is August (Average daylight: 17h and 42min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 0h and 18min).
Average sunshine days in September
Hamnvik, Norway
- Average sunshine days in September: 11.2 days
The month with the most sunshine days is January (13.6 days).
The month with the least sunshine days is March (8.3 days).
Average UV index in September
Hamnvik, Norway
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, March and November (UV index 1).
Average cloud cover in September
Hamnvik, Norway
- Average cloud cover in September: 57
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 52).
Average visibility in September
Hamnvik, Norway
- Average visibility in September: 9km
The months with the highest visibility are January, February, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are March and April (8km).
