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 onset sees an average high-temperature of a fresh 12.7°C (54.9°F), exhibiting a slight fluctuation from the previous month. The nighttime temperature in Holm in September experiences a minor dip, averaging a chilly 9.8°C (49.6°F).Humidity
In Holm, the average relative humidity in September is 78%.Rainfall
In Holm, during September, the rain falls for 20.3 days and regularly aggregates up to 123mm (4.84") of precipitation. Throughout the year, there are 195.5 rainfall days, and 1113mm (43.82") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 13h and 4min.On the first day of the month, sunrise is at 05:51 and sunset at 20:30. On the last day of September, sunrise is at 07:20 and sunset at 18:42 CEST.
Sunshine
In Holm, the average sunshine in September is 6.3h.UV index
In Holm, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 3 transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Holm, Norway
- Average high temperature in September: 12.7°C
The warmest month (with the highest average high temperature) is August (15.3°C).
The months with the lowest average high temperature are January and February (0.8°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is February (-2.4°C).
Average pressure in September
Holm, Norway
- Average pressure in September: 1009.8mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1002.3mbar).
Average wind speed in September
Holm, Norway
- Average wind speed in September: 19.6km/h
The windiest month (with the highest average wind speed) is January (26.2km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).
Average humidity in September
Holm, Norway
- Average humidity in September: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is May (75%).
Average rainfall in September
Holm, Norway
- Average rainfall in September: 123mm
The wettest month (with the highest rainfall) is December (131mm).
The driest month (with the least rainfall) is June (52mm).
Average rainfall days in September
Holm, Norway
- Average rainfall days in September: 20.3 days
The months with the highest number of rainy days are September and October (20.3 days).
The month with the least rainy days is February (11 days).
Average snowfall in September
Holm, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (239mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Holm, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (15.7 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holm, Norway
- Average daylight in September: 13h and 1min
The month with the longest days is June (Average daylight: 21h and 54min).
The month with the shortest days is December (Average daylight: 3h and 48min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Holm, Norway
- Average sunshine days in September: 8.3 days
The month with the most sunshine days is August (11.2 days).
The month with the least sunshine days is March (6.7 days).
Average UV index in September
Holm, 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 January and February (UV index 1).
Average cloud cover in September
Holm, Norway
- Average cloud cover in September: 58
The month with the most cloud cover is March (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 51).
Average visibility in September
Holm, Norway
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January and March (8km).
