September weather forecastGränum, Sweden

September

Weather in September

September, the first month of the autumn in Gränum, is still a refreshing month, with an average temperature fluctuating between 10.7°C (51.3°F) and 16.6°C (61.9°F).

Temperature

September's arrival signals a moderate reduction in the average high-temperature, easing from an agreeable 20.8°C (69.4°F) in August to a comfortable 16.6°C (61.9°F). During the September nights, an average temperature of 10.7°C (51.3°F) is observed.

Humidity

The average relative humidity in September is 80%.

Rainfall

In Gränum, in September, it is raining for 12.8 days, with typically 26mm (1.02") of accumulated precipitation. Throughout the year, there are 153.2 rainfall days, and 386mm (15.2") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Gränum, the average length of the day in September is 12h and 45min.
On the first day of the month, sunrise is at 06:06 and sunset at 19:56. On the last day of September, in Gränum, Sweden, sunrise is at 07:03 and sunset at 18:39 CEST.

Sunshine

In Gränum, the average sunshine in September is 7.8h.

UV index

In Gränum, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard 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:
Be vigilant - Preventing sunburn is recommended. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Updated: Aug 30, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Gränum, 16.6°C (61.9°F) is the average high-temperature and 10.7°C (51.3°F) is the average low-temperature during September.

In Gränum, the average relative humidity in September is 80%.

In Gränum, in September, during 12.8 rainfall days, 26mm (1.02") of precipitation is typically accumulated.

In Gränum, snow does not fall in May through September.

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

In September, the average day length is 12h and 45min.

On the first day of September, sunrise is at 06:06 and sunset at 19:56. On the last day of the month, sunrise is at 07:03 and sunset at 18:39 CEST.

The average sunshine duration in September is 7.8h.

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability 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

16.6°C

11.2°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

14km/h

15.3km/h

16.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.9

13.1

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Gränum, Sweden

Average high temperature in September: 16.6°C

The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (1.3°C).

Average low temperature in September: 10.7°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (-1.8°C).

Average pressure in September
Gränum, 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
Gränum, Sweden

Average wind speed in September: 14.8km/h

The windiest month (with the highest average wind speed) is December (16.5km/h).
The calmest month (with the lowest average wind speed) is August (13.1km/h).

Average humidity in September
Gränum, Sweden

Average humidity in September: 80%

The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April and May (72%).

Average rainfall in September
Gränum, Sweden

Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is July (46mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in September
Gränum, Sweden

Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (8.4 days).

Average snowfall in September
Gränum, Sweden

Average snowfall in September: 0mm

The month with the highest snowfall is February (80mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Gränum, Sweden

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).

Average sunshine in September: 7h and 48min

The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).