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
September
Weather in September
Temperature
With the commencement of September, Kolbotn records a moderate temperature decline, with the average high easing from August's 18.9°C (66°F) to a still refreshing 15°C (59°F). Kolbotn, during September, witnesses an average low-temperature of 7.3°C (45.1°F).Humidity
In September, the average relative humidity in Kolbotn is 80%.Rainfall
In Kolbotn, in September, during 10.5 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, there are 128 rainfall days, and 311mm (12.24") of precipitation is accumulated.Snowfall
In Kolbotn, snow does not fall in June through September.Daylight
In Kolbotn, the average length of the day in September is 12h and 51min.On the first day of the month, sunrise is at 06:13 and sunset at 20:19. On the last day of September, in Kolbotn, sunrise is at 07:21 and sunset at 18:52 CEST.
Sunshine
In Kolbotn, the average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Kolbotn?
What is the average humidity in September in Kolbotn?
How many days does it rain in September in Kolbotn?
When it does not snow in Kolbotn?
Does it snow in Kolbotn in September?
What is the average length of the day in September in Kolbotn?
What time are sunrise and sunset in September in Kolbotn?
How many hours of sunshine does Kolbotn have in September?
How high is the UV index in September in Kolbotn?
Average temperature in September
Kolbotn, Norway
- Average high temperature in September: 15°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-2.4°C).
- Average low temperature in September: 7.3°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-7.8°C).
Average pressure in September
Kolbotn, Norway
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Kolbotn, Norway
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in September
Kolbotn, Norway
- Average humidity in September: 80%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Kolbotn, Norway
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Kolbotn, Norway
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Kolbotn, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (73mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kolbotn, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kolbotn, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in September
Kolbotn, Norway
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is December (18.3 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Kolbotn, 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 February (UV index 1).
Average cloud cover in September
Kolbotn, Norway
- Average cloud cover in September: 48
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility in September
Kolbotn, Norway
- Average visibility in September: 8km
The months with the highest visibility are April, May and June (9km).
The month with the lowest visibility is February (6km).
