NorwayThe weather in September in Rennesøy
It's cool to moderate in September in Rennesøy with an average temperature of 15°C. Temperatures this month range from a low of 12°C to a high of 17°C. At night, you can expect temperatures between 8°C and 11°C.
Looking for sun and warm weather? September isn’t a good month to be in Rennesøy. The temperatures are too low for a warm stay this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Rennesøy, Norway. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 25°C in 2023, Rennesøy reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 5°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of -2°C to a highest value of 17°C.
Precipitation and snowfall
In September, there is an average of 149 mm of precipitation, spread over 18 days. Of the total precipitation, about 0,1 cm falls as snow in September. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in September for Rennesøy
Click on any day in September to get detailed info about the usual weather on that day in Rennesøy. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Rennesøy | New York | |
|---|---|---|
| Average temperature | 15°C | 27°C |
| Max. temperature | 17°C | 31°C |
| Min. temperature | 8°C | -5°C |
| Total precipitation | 149 mm | 57 mm |
| Rainy days | 18 days | 9 days |
| Total snowfall | 0,1 cm | 0 cm |
| Snowy days | 1 day | 0 days |
Start of September
The month of September starts in Rennesøy with cool temps, averaging around 16°C during the day and nights around 11°C.
Mid September
By mid-September, daytime temps drop to around 15°C, with nights around 10°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of September
By the end of September, the average daytime temperature in Rennesøy is around 14°C, while nighttime temps are about 9°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Rennesøy for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in September in Rennesøy, Norway. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Rennesøy
Temperature in September in Rennesøy over the years
Precipitation charts
These charts show the average amount of precipitation in September in Rennesøy, Norway. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Rennesøy
Total precipitation in September in Rennesøy over the years
Daily Snowfall in September in Rennesøy
Snowfall in September in Rennesøy per year
Daily UV index in September in Rennesøy
This chart shows the average daily UV index in September in Rennesøy, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in September in Rennesøy
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Average weather in Rennesøy by month
Click on a month below to see detailed weather info for Rennesøy. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.