September weather forecastKista, Sweden

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Kista, Sweden, with an average temperature ranging between max 16.1°C (61°F) and min 9.6°C (49.3°F).

Temperature

The onset of September brings a small shift in high-temperatures, falling from an agreeable 20.6°C (69.1°F) in August to a refreshing 16.1°C (61°F). During the month of September, the temperature in Kista falls to an average of 9.6°C (49.3°F).

Humidity

The average relative humidity in September in Kista is 80%.

Rainfall

In September, in Kista, Sweden, the rain falls for 11.7 days. Throughout September, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 134.1 rainfall days, and 336mm (13.23") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Kista.

Daylight

In Kista, Sweden, the average length of the day in September is 12h and 50min.
On the first day of September in Kista, sunrise is at 05:46 and sunset at 19:50. On the last day of the month, sunrise is at 06:52 and sunset at 18:23 CEST.

Sunshine

In Kista, Sweden, the average sunshine in September is 8h.

UV index

In Kista, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 3 in September translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. To protect against the Sun's most potent rays, avoid direct exposure around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

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

Frequently asked questions

In Kista, in September, the average high-temperature is 16.1°C (61°F), and the average low-temperature is 9.6°C (49.3°F).

The average relative humidity in September is 80%.

In Kista, during September, the rain falls for 11.7 days and regularly aggregates up to 22mm (0.87") of precipitation.

June through September are months without snowfall in Kista, Sweden.

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

The average day length in September in Kista is 12h and 50min.

On the first day of September in Kista, sunrise is at 05:46 and sunset at 19:50. On the last day of the month, sunrise is at 06:52 and sunset at 18:23 CEST.

In Kista, the average sunshine duration in September is 8h.

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

20.6°C

16.1°C

9.5°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.8km/h

13.9km/h

15.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.8

15.1

16.4

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Kista, Sweden

Average high temperature in September: 16.1°C

The warmest month (with the highest average high temperature) is July (21.7°C).
The month with the lowest average high temperature is January (-0.7°C).

Average low temperature in September: 9.6°C

The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

Average pressure in September
Kista, Sweden

Average pressure in September: 1013.3mbar

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).

Average wind speed in September
Kista, Sweden

Average wind speed in September: 13.5km/h

The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest months (with the lowest average wind speed) are July and August (12.1km/h).

Average humidity in September
Kista, Sweden

Average humidity in September: 80%

The months with the highest relative humidity are January, February, November and December (88%).
The month with the lowest relative humidity is May (71%).

Average rainfall in September
Kista, Sweden

Average rainfall in September: 22mm

The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (15mm).

Average rainfall days in September
Kista, Sweden

Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in September
Kista, Sweden

Average snowfall in September: 0mm

The month with the highest snowfall is February (82mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Kista, Sweden

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).

Average sunshine in September: 8h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).