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
September's onset introduces a mild reduction in the average high-temperature, from a mild 14.1°C (57.4°F) in August to a frosty 9.4°C (48.9°F). Lalm's temperature drops to an average low of 1.7°C (35.1°F) during the nights of September.Humidity
In September, the average relative humidity is 82%.Rainfall
In Lalm, Norway, during September, the rain falls for 15.3 days and regularly aggregates up to 33mm (1.3") of precipitation. In Lalm, during the entire year, the rain falls for 168.8 days and collects up to 479mm (18.86") of precipitation.Snowfall
In Lalm, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 55min.On the first day of the month, sunrise is at 06:14 and sunset at 20:31. On the last day of September, sunrise is at 07:28 and sunset at 18:56 CEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
In Lalm, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 2 in September suggests the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What is the temperature in September in Lalm?
What is the average humidity in September in Lalm?
How many days does it rain in September in Lalm?
When it does not snow in Lalm?
Does it snow in Lalm in September?
How many hours of daylight does Lalm have in September?
When is the sunrise / sunset in September in Lalm?
How many hours of sunshine does Lalm have in September?
What is the UV index reading in September in Lalm?
Average temperature in September
Lalm, 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
Lalm, 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
Lalm, 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
Lalm, 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
Lalm, 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
Lalm, 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
Lalm, 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
Lalm, 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
Lalm, 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
Lalm, 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
Lalm, 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
Lalm, 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
Lalm, 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).
Lalm, Norway
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