September weather forecastSira, Norway
September
Weather in September
The first month of the autumn, September, is still a mild month in Sira, Norway, with an average temperature ranging between max 13.8°C (56.8°F) and min 9.8°C (49.6°F).Temperature
September experiences an average high-temperature of a mild 13.8°C (56.8°F), barely different from August's 16.6°C (61.9°F). Sira, in September, registers a nighttime average temperature of 9.8°C (49.6°F).Humidity
In Sira, the average relative humidity in September is 83%.Rainfall
In Sira, during September, the rain falls for 19.2 days and regularly aggregates up to 89mm (3.5") of precipitation. Throughout the year, there are 193.9 rainfall days, and 1031mm (40.59") of precipitation is accumulated.Snowfall
May through September are months without snowfall in Sira.Daylight
The average length of the day in September in Sira is 12h and 49min.On the first day of September, sunrise is at 06:33 and sunset at 20:32. On the last day of the month, sunrise is at 07:36 and sunset at 19:09 CEST.
Sunshine
In September, the average sunshine in Sira, Norway, is 6.4h.UV index
In September, the average daily maximum UV index in Sira is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the UV index of 3 transforms into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sira, Norway
- Average high temperature in September: 13.8°C
The warmest month (with the highest average high temperature) is July (17.1°C).
The months with the lowest average high temperature are January and February (1.5°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is July (11.5°C).
The coldest month (with the lowest average low temperature) is February (-1.9°C).
Average pressure in September
Sira, Norway
- Average pressure in September: 1012.9mbar
The months with the highest atmospheric pressure are April and May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in September
Sira, Norway
- Average wind speed in September: 18.1km/h
The windiest month (with the highest average wind speed) is January (22.7km/h).
The calmest month (with the lowest average wind speed) is July (15.4km/h).
Average humidity in September
Sira, Norway
- Average humidity in September: 83%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Sira, Norway
- Average rainfall in September: 89mm
The wettest month (with the highest rainfall) is December (137mm).
The driest month (with the least rainfall) is April (43mm).
Average rainfall days in September
Sira, Norway
- Average rainfall days in September: 19.2 days
The month with the highest number of rainy days is December (19.6 days).
The month with the least rainy days is February (12.7 days).
Average snowfall in September
Sira, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (130mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Sira, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sira, 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: 6h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Sira, Norway
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is June (14.4 days).
The month with the least sunshine days is December (5.5 days).
Average UV index in September
Sira, 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 and December (UV index 1).
Average cloud cover in September
Sira, Norway
- Average cloud cover in September: 54
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 41).
Average visibility in September
Sira, Norway
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
