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
September
Weather in September
Temperature
The average high-temperature during September registers at a still refreshing 14.3°C (57.7°F), closely corresponding to the preceding month. Sandnes, in September, registers an average low temperature of 12.1°C (53.8°F), showing a minute reduction from daily highs.Humidity
The average relative humidity in September in Sandnes is 79%.Rainfall
In Sandnes, in September, it is raining for 19.3 days, with typically 112mm (4.41") of accumulated precipitation. Throughout the year, there are 210.6 rainfall days, and 1013mm (39.88") of precipitation is accumulated.Snowfall
In Sandnes, snow does not fall in May through October.Sea temperature
In Sandnes, in September, the average water temperature is 15.2°C (59.4°F).Note: For most individuals, swimming in 15.2°C (59.4°F) is not enjoyable. As the water temperature decreases from 21°C (69.8°F) to 15°C (59°F), breathing control becomes increasingly difficult.
Daylight
The average length of the day in September in Sandnes is 12h and 49min.On the first day of September in Sandnes, sunrise is at 06:36 and sunset at 20:37. On the last day of the month, sunrise is at 07:40 and sunset at 19:12 CEST.
Sunshine
In Sandnes, the average sunshine in September is 6.6h.UV index
The average daily maximum UV index in September in Sandnes is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, a regular UV index of 3 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Sandnes?
What is the average humidity in September in Sandnes?
How much does it rain in Sandnes in September?
When it does not snow in Sandnes?
How cold is the water in September in Sandnes?
How many hours of daylight does Sandnes have in September?
What time are sunrise and sunset in September in Sandnes?
How many hours of sunshine does Sandnes have in September?
What is the UV index intensity in September in Sandnes?
Average temperature in September
Sandnes, Norway
- Average high temperature in September: 14.3°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (3.7°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in September
Sandnes, Norway
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1006.7mbar).
Average wind speed in September
Sandnes, Norway
- Average wind speed in September: 20.7km/h
The windiest month (with the highest average wind speed) is January (27.4km/h).
The calmest months (with the lowest average wind speed) are June and July (17.2km/h).
Average humidity in September
Sandnes, Norway
- Average humidity in September: 79%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in September
Sandnes, Norway
- Average rainfall in September: 112mm
The wettest month (with the highest rainfall) is December (130mm).
The driest month (with the least rainfall) is June (43mm).
Average rainfall days in September
Sandnes, Norway
- Average rainfall days in September: 19.3 days
The month with the highest number of rainy days is December (21.5 days).
The month with the least rainy days is June (13.3 days).
Average snowfall in September
Sandnes, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Sandnes, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Sandnes, Norway
- Average sea temperature in September: 15.2°C
The best month for swimming (with the highest average sea temperature) is August (16.8°C).
The coldest month (with the lowest average sea temperature) is March (4.6°C).
Average daylight in September /
Average sunshine in September
Sandnes, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Sandnes, Norway
- Average sunshine days in September: 9.3 days
The month with the most sunshine days is June (14.4 days).
The month with the least sunshine days is December (5.8 days).
Average UV index in September
Sandnes, 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, November and December (UV index 2).
Average cloud cover in September
Sandnes, 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 44).
Average visibility in September
Sandnes, Norway
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July and August (10km).
The months with the lowest visibility are January, February, March, September, October, November and December (9km).
