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
Hilleren registers an average high-temperature of a mild 13.9°C (57°F) with the arrival of September, showing minor deviation from the preceding month. Hilleren's average temperature throughout the nights in September exhibits a minor decrease from daytime highs, stabilizing at a fresh 11°C (51.8°F).Humidity
The average relative humidity in September in Hilleren is 79%.Rainfall
In Hilleren, during September, the rain falls for 22.3 days and regularly aggregates up to 179mm (7.05") of precipitation. Throughout the year, there are 227.1 rainfall days, and 1594mm (62.76") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Hilleren.Daylight
The average length of the day in September in Hilleren is 12h and 52min.On the first day of September, sunrise is at 06:34 and sunset at 20:43. On the last day of the month, sunrise is at 07:43 and sunset at 19:14 CEST.
Sunshine
In September, the average sunshine is 6h.UV index
In Hilleren, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 3 translates into these guidelines:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Hilleren in September?
What is the average humidity in September in Hilleren?
How much does it rain in Hilleren in September?
When it does not snow in Hilleren?
Does it snow in Hilleren in September?
What is the average length of the day in September in Hilleren?
What time are sunrise and sunset in September in Hilleren?
How long on average sun shines in September in Hilleren?
What is the UV index intensity in September in Hilleren?
Average temperature in September
Hilleren, Norway
- Average high temperature in September: 13.9°C
The warmest month (with the highest average high temperature) is August (16.1°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (0°C).
Average pressure in September
Hilleren, Norway
- Average pressure in September: 1012mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1005.8mbar).
Average wind speed in September
Hilleren, Norway
- Average wind speed in September: 16.7km/h
The windiest months (with the highest average wind speed) are January and December (21.1km/h).
The calmest month (with the lowest average wind speed) is June (13.6km/h).
Average humidity in September
Hilleren, Norway
- Average humidity in September: 79%
The month with the highest relative humidity is March (81%).
The months with the lowest relative humidity are May and October (75%).
Average rainfall in September
Hilleren, Norway
- Average rainfall in September: 179mm
The wettest month (with the highest rainfall) is October (201mm).
The driest month (with the least rainfall) is April (73mm).
Average rainfall days in September
Hilleren, Norway
- Average rainfall days in September: 22.3 days
The month with the highest number of rainy days is September (22.3 days).
The month with the least rainy days is February (14.8 days).
Average snowfall in September
Hilleren, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (127mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hilleren, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hilleren, 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: 6h and 0min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).
Average sunshine days in September
Hilleren, Norway
- Average sunshine days in September: 6.6 days
The month with the most sunshine days is May (12 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in September
Hilleren, Norway
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Hilleren, Norway
- Average cloud cover in September: 58
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in September
Hilleren, Norway
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
