September weather forecastRanheim, Norway
September
Weather in September
September, the first month of the autumn in Ranheim, is also a moderate month, with an average temperature ranging between max 13.3°C (55.9°F) and min 7.2°C (45°F).Temperature
The transition into September involves a small decrease in the average high-temperature, dipping slightly from an enjoyable 17.2°C (63°F) in August to a moderate 13.3°C (55.9°F). Throughout September, an average low-temperature of 7.2°C (45°F) is expected.Humidity
The average relative humidity in September is 80%.Rainfall
In Ranheim, in September, it is raining for 15.2 days, with typically 56mm (2.2") of accumulated precipitation. Throughout the year, there are 159.4 rainfall days, and 586mm (23.07") of precipitation is accumulated.Snowfall
In Ranheim, snow does not fall in June through September.Daylight
In Ranheim, the average length of the day in September is 12h and 59min.On the first day of September, sunrise is at 06:04 and sunset at 20:31. On the last day of the month, sunrise is at 07:24 and sunset at 18:50 CEST.
Sunshine
In Ranheim, the average sunshine in September is 7h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ranheim, Norway
- Average high temperature in September: 13.3°C
The warmest month (with the highest average high temperature) is July (18.1°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in September: 7.2°C
The month with the highest average low temperature is July (9.4°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).
Average pressure in September
Ranheim, Norway
- Average pressure in September: 1010.8mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1004.1mbar).
Average wind speed in September
Ranheim, Norway
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is January (12.7km/h).
The calmest month (with the lowest average wind speed) is July (8km/h).
Average humidity in September
Ranheim, Norway
- Average humidity in September: 80%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are May and June (75%).
Average rainfall in September
Ranheim, Norway
- Average rainfall in September: 56mm
The wettest month (with the highest rainfall) is July (61mm).
The driest month (with the least rainfall) is November (31mm).
Average rainfall days in September
Ranheim, Norway
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is August (17.1 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in September
Ranheim, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (199mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ranheim, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (12.2 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ranheim, Norway
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 24min).
The month with the shortest days is December (Average daylight: 4h and 42min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in September
Ranheim, Norway
- Average sunshine days in September: 13 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is December (11.5 days).
Average UV index in September
Ranheim, Norway
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February, March and December (UV index 1).
Average cloud cover in September
Ranheim, Norway
- Average cloud cover in September: 53
The month with the most cloud cover is March (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 49).
Average visibility in September
Ranheim, Norway
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March, April and December (8km).





