September weather forecastHyllinge, Sweden

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Hyllinge, Sweden, with an average temperature fluctuating between 11.4°C (52.5°F) and 17°C (62.6°F).

Temperature

Hyllinge's progression into September involves a minor drop in the average high-temperature, slightly receding from a pleasant 20.8°C (69.4°F) in August to a comfortable 17°C (62.6°F). Hyllinge's nights in September experience an average temperature drop to a fresh 11.4°C (52.5°F).

Humidity

In Hyllinge, the average relative humidity in September is 79%.

Rainfall

In Hyllinge, Sweden, during September, the rain falls for 15.3 days and regularly aggregates up to 35mm (1.38") of precipitation. Throughout the year, in Hyllinge, there are 172.7 rainfall days, and 428mm (16.85") of precipitation is accumulated.

Snowfall

In Hyllinge, Sweden, snow does not fall in May through September.

Daylight

In September, the average length of the day is 12h and 45min.
On the first day of September, sunrise is at 06:13 and sunset at 20:03. On the last day of the month, sunrise is at 07:10 and sunset at 18:46 CEST.

Sunshine

In Hyllinge, the average sunshine in September is 7.3h.

UV index

In Hyllinge, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the UV index of 3 transforms into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in Hyllinge, is 17°C (62.6°F), while the low-temperature averages to 11.4°C (52.5°F).

In September, the average relative humidity in Hyllinge, Sweden, is 79%.

In Hyllinge, Sweden, in September, it is raining for 15.3 days, with typically 35mm (1.38") of accumulated precipitation.

In Hyllinge, Sweden, snow does not fall in May through September.

In Hyllinge, in September, it doesn't snow. In October, it regularly snows.

The average day length in September in Hyllinge, Sweden, is 12h and 45min.

In September, on the first day of the month, sunrise is at 06:13 and sunset at 20:03. On the last day of the month, sunrise is at 07:10 and sunset at 18:46 CEST.

The average sunshine duration in September in Hyllinge, Sweden, is 7.3h.

In Hyllinge, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

20.8°C

17°C

11.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.9km/h

15.2km/h

17km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

9.8

11.1

12.4

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Hyllinge, Sweden

Average high temperature in September: 17°C

The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (2.1°C).

Average low temperature in September: 11.4°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (-1.1°C).

Average pressure in September
Hyllinge, Sweden

Average pressure in September: 1015.1mbar

The month with the highest atmospheric pressure is April (1015.5mbar).
The month with the lowest atmospheric pressure is December (1010.7mbar).

Average wind speed in September
Hyllinge, Sweden

Average wind speed in September: 14.7km/h

The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is July (13km/h).

Average humidity in September
Hyllinge, Sweden

Average humidity in September: 79%

The months with the highest relative humidity are January, February, November and December (88%).
The months with the lowest relative humidity are April and May (72%).

Average rainfall in September
Hyllinge, Sweden

Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is August (49mm).
The driest month (with the least rainfall) is April (18mm).

Average rainfall days in September
Hyllinge, Sweden

Average rainfall days in September: 15.3 days

The month with the highest number of rainy days is August (18.2 days).
The month with the least rainy days is February (9.5 days).

Average snowfall in September
Hyllinge, Sweden

Average snowfall in September: 0mm

The month with the highest snowfall is February (65mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Hyllinge, Sweden

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Hyllinge, Sweden

Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).

Average sunshine in September: 7h and 18min

The months with the most sunshine are June and August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).