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
Weather in September
Temperature
The arrival of September corresponds with a light shift in temperature, down from a moderate 15.2°C (59.4°F) in August to a fresh 12.2°C (54°F). The nighttime temperature in Straumshamn in September experiences a minor dip, averaging a frosty 7.8°C (46°F).Humidity
The average relative humidity in September is 81%.Rainfall
In September, in Straumshamn, the rain falls for 19.7 days. Throughout September, 95mm (3.74") of precipitation is accumulated. Throughout the year, there are 199.5 rainfall days, and 1157mm (45.55") of precipitation is accumulated.Snowfall
In Straumshamn, snow does not fall in June through September.Daylight
In Straumshamn, the average length of the day in September is 12h and 56min.On the first day of the month, sunrise is at 06:26 and sunset at 20:44. On the last day of September, sunrise is at 07:41 and sunset at 19:09 CEST.
Sunshine
The average sunshine in September is 6.1h.UV index
In Straumshamn, Norway, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In September, a daily maximum UV index of 2 leads to the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the average September temperature in Straumshamn?
What is the average humidity in September in Straumshamn?
How many days does it rain in September in Straumshamn?
When it does not snow in Straumshamn?
Does it snow in Straumshamn in September?
What is the average length of the day in September in Straumshamn?
What time are sunrise and sunset in September in Straumshamn?
How long on average sun shines in September in Straumshamn?
What is the UV index reading in September in Straumshamn?
Average temperature in September
Straumshamn, Norway
- Average high temperature in September: 12.2°C
The warmest month (with the highest average high temperature) is July (15.3°C).
The month with the lowest average high temperature is January (-0.5°C).
- Average low temperature in September: 7.8°C
The month with the highest average low temperature is August (9.7°C).
The coldest month (with the lowest average low temperature) is February (-3.8°C).
Average pressure in September
Straumshamn, Norway
- Average pressure in September: 1010.7mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1003.7mbar).
Average wind speed in September
Straumshamn, Norway
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in September
Straumshamn, Norway
- Average humidity in September: 81%
The month with the highest relative humidity is March (85%).
The month with the lowest relative humidity is May (77%).
Average rainfall in September
Straumshamn, Norway
- Average rainfall in September: 95mm
The wettest month (with the highest rainfall) is December (141mm).
The driest month (with the least rainfall) is June (63mm).
Average rainfall days in September
Straumshamn, Norway
- Average rainfall days in September: 19.7 days
The month with the highest number of rainy days is August (21.8 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in September
Straumshamn, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (410mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Straumshamn, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Straumshamn, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in September: 6h and 1min
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 18min).
Average sunshine days in September
Straumshamn, Norway
- Average sunshine days in September: 9.1 days
The month with the most sunshine days is April (11.4 days).
The month with the least sunshine days is December (7.2 days).
Average UV index in September
Straumshamn, Norway
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are February, March, November and December (UV index 1).
Average cloud cover in September
Straumshamn, Norway
- Average cloud cover in September: 58
The month with the most cloud cover is March (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 54).
Average visibility in September
Straumshamn, 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).
Straumshamn, Norway
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