September weather forecastNarestø, Norway
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Narestø, Norway, with an average temperature fluctuating between 15.2°C (59.4°F) and 11°C (51.8°F).Temperature
In September, the average high-temperature marginally drops from an enjoyable 18.3°C (64.9°F) in August to a moderate 15.2°C (59.4°F). A minor drop in temperature is observed from daytime highs during the nights of September, averaging a fresh 11°C (51.8°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In September, the rain falls for 12.6 days. Throughout September, 65mm (2.56") of precipitation is accumulated. In Narestø, during the entire year, the rain falls for 137.7 days and collects up to 744mm (29.29") of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September is 12h and 49min.On the first day of September in Narestø, sunrise is at 06:24 and sunset at 20:23. On the last day of the month, sunrise is at 07:27 and sunset at 19:00 CEST.
Sunshine
In Narestø, the average sunshine in September is 7.8h.UV index
In Narestø, Norway, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Narestø, Norway
- Average high temperature in September: 15.2°C
The warmest month (with the highest average high temperature) is July (19.2°C).
The month with the lowest average high temperature is February (1.3°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is July (13.6°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in September
Narestø, Norway
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is April (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Narestø, Norway
- Average wind speed in September: 18.3km/h
The windiest month (with the highest average wind speed) is November (21.1km/h).
The calmest month (with the lowest average wind speed) is June (15.5km/h).
Average humidity in September
Narestø, Norway
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are May and June (70%).
Average rainfall in September
Narestø, Norway
- Average rainfall in September: 65mm
The wettest month (with the highest rainfall) is November (88mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Narestø, Norway
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Narestø, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (130mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Narestø, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Narestø, Norway
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Narestø, Norway
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is April (19 days).
The month with the least sunshine days is November (10.8 days).
Average UV index in September
Narestø, Norway
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Narestø, Norway
- Average cloud cover in September: 44
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in September
Narestø, Norway
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).
