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 September's onset, the weather reveals a slight temperature decrease, transitioning from a pleasant 20.6°C (69.1°F) in August to a refreshing 16.9°C (62.4°F). Hyllinge's nighttime temperature in September experiences a slight dip from daytime highs, falling to an average of 12.1°C (53.8°F).Humidity
The average relative humidity in September is 81%.Rainfall
In Hyllinge, in September, during 14 rainfall days, 29mm (1.14") of precipitation is typically accumulated. In Hyllinge, during the entire year, the rain falls for 157 days and collects up to 287mm (11.3") of precipitation.Snowfall
In Hyllinge, snow does not fall in May through October.Daylight
The average length of the day in September in Hyllinge is 12h and 44min.On the first day of the month, sunrise is at 06:20 and sunset at 20:06. On the last day of September, sunrise is at 07:15 and sunset at 18:51 CEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
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 many days does it rain in September?
When it does not snow?
How many hours of daylight does Hyllinge have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September in Hyllinge?
Average temperature in September
Hyllinge, Denmark
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (-0.6°C).
Average pressure in September
Hyllinge, Denmark
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is November (1011.3mbar).
Average wind speed in September
Hyllinge, Denmark
- Average wind speed in September: 15km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is July (13.5km/h).
Average humidity in September
Hyllinge, Denmark
- Average humidity in September: 81%
The months with the highest relative humidity are January, November and December (89%).
The months with the lowest relative humidity are May and June (77%).
Average rainfall in September
Hyllinge, Denmark
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is August (35mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Hyllinge, Denmark
- Average rainfall days in September: 14 days
The month with the highest number of rainy days is August (15.8 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Hyllinge, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is December (31mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Hyllinge, Denmark
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (7.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Hyllinge, Denmark
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 6min).
Average sunshine days in September
Hyllinge, Denmark
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is December (8.6 days).
Average UV index in September
Hyllinge, Denmark
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Hyllinge, Denmark
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Hyllinge, Denmark
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
