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
September's arrival subtly correlates with a reduction in the average high-temperature, down from a comfortable 18.3°C (64.9°F) in August to a moderate 14.3°C (57.7°F). During September, the temperature tends to dip to an average of 6.7°C (44.1°F) at night.Humidity
In September, the average relative humidity in Holtet, Norway, is 81%.Rainfall
In Holtet, in September, it is raining for 12.1 days, with typically 30mm (1.18") of accumulated precipitation. In Holtet, during the entire year, the rain falls for 139.3 days and collects up to 346mm (13.62") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 52min.On the first day of September, sunrise is at 06:11 and sunset at 20:20. On the last day of the month, sunrise is at 07:20 and sunset at 18:50 CEST.
Sunshine
In Holtet, the average sunshine in September is 7.2h.UV index
In Holtet, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Holtet in September?
What is the average humidity in September in Holtet?
How much does it rain in Holtet in September?
When it does not snow in Holtet?
Does it snow in Holtet in September?
What is the average length of the day in September in Holtet?
When is the sunrise / sunset in September in Holtet?
How long on average sun shines in September in Holtet?
What is the UV index reading in September in Holtet?
Average temperature in September
Holtet, Norway
- Average high temperature in September: 14.3°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (-3.2°C).
- Average low temperature in September: 6.7°C
The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is February (-8.1°C).
Average pressure in September
Holtet, Norway
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Holtet, Norway
- Average wind speed in September: 9.1km/h
The windiest months (with the highest average wind speed) are May and September (9.1km/h).
The calmest month (with the lowest average wind speed) is August (8km/h).
Average humidity in September
Holtet, Norway
- Average humidity in September: 81%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Holtet, Norway
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is January (16mm).
Average rainfall days in September
Holtet, Norway
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Holtet, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Holtet, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (14.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holtet, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Holtet, Norway
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is October (16.2 days).
The month with the least sunshine days is July (8.2 days).
Average UV index in September
Holtet, Norway
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in September
Holtet, Norway
- Average cloud cover in September: 52
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 48).
Average visibility in September
Holtet, Norway
- Average visibility in September: 8km
The months with the highest visibility are May and June (9km).
The month with the lowest visibility is February (5km).
