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 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
Weather in September
Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a moderate 14.1°C (57.4°F) in August to a chilly 9.4°C (48.9°F). Otta records an average nighttime low of 1.7°C (35.1°F) in September.Humidity
In September, the average relative humidity is 82%.Rainfall
In Otta, in September, during 15.3 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Otta, during the entire year, the rain falls for 168.8 days and collects up to 479mm (18.86") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 55min.On the first day of the month, sunrise is at 06:13 and sunset at 20:29. On the last day of September, sunrise is at 07:27 and sunset at 18:55 CEST.
Sunshine
The average sunshine in September is 7.7h.UV index
In Otta, Norway, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 2 in September translates into the following instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Frequently asked questions
What is the usual temperature for Otta in September?
What is the average humidity in September in Otta?
How many days does it rain in September in Otta?
When it does not snow in Otta?
Does it snow in Otta in September?
What is the average length of the day in September in Otta?
What time are sunrise and sunset in September in Otta?
How long on average sun shines in September in Otta?
What is the UV index reading in September in Otta?
Average temperature in September
Otta, Norway
- Average high temperature in September: 9.4°C
The warmest month (with the highest average high temperature) is July (15.6°C).
The month with the lowest average high temperature is January (-7.8°C).
- Average low temperature in September: 1.7°C
The month with the highest average low temperature is July (6.5°C).
The coldest month (with the lowest average low temperature) is January (-14.7°C).
Average pressure in September
Otta, Norway
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1006.6mbar).
Average wind speed in September
Otta, Norway
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is September (10km/h).
The calmest month (with the lowest average wind speed) is April (8.4km/h).
Average humidity in September
Otta, Norway
- Average humidity in September: 82%
The months with the highest relative humidity are January, February and March (93%).
The month with the lowest relative humidity is June (71%).
Average rainfall in September
Otta, Norway
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is July (70mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Otta, Norway
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Otta, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (225mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Otta, Norway
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is December (21.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Otta, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).
Average sunshine days in September
Otta, Norway
- Average sunshine days in September: 9.7 days
The month with the most sunshine days is October (11.2 days).
The month with the least sunshine days is July (6.9 days).
Average UV index in September
Otta, Norway
- Average UV index in September: 2
The months with the highest UV index are May, June, July and August (UV index 3).
The months with the lowest UV index are January, February, April, October, November and December (UV index 1).
Average cloud cover in September
Otta, Norway
- Average cloud cover in September: 51
The months with the most cloud cover are January and February (Cloud cover 59).
The month with the least cloud cover is June (Cloud cover 46).
Average visibility in September
Otta, Norway
- Average visibility in September: 8km
The months with the highest visibility are June and July (9km).
The months with the lowest visibility are January, February, March, April and November (6km).
Otta, Norway
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