September weather forecast
Tjustvik, Sweden

September

Weather in September

The first month of the autumn, September, is still a mild month in Tjustvik, Sweden, with an average temperature varying between 15.1°C (59.2°F) and 11.5°C (52.7°F).

Temperature

Tjustvik's weather subtly changes with the onset of September, barely falling from a refreshing 18.7°C (65.7°F) in August to a mild 15.1°C (59.2°F). Tjustvik maintains a consistent average nighttime low-temperature of 11.5°C (52.7°F) throughout September.

Humidity

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

Rainfall

In Tjustvik, in September, it is raining for 11.6 days, with typically 21mm (0.83") of accumulated precipitation. Throughout the year, in Tjustvik, there are 125.3 rainfall days, and 261mm (10.28") of precipitation is accumulated.

Snowfall

In Tjustvik, snow does not fall in June through September.

Daylight

In Tjustvik, the average length of the day in September is 12h and 50min.
On the first day of September in Tjustvik, sunrise is at 05:44 and sunset at 19:48. On the last day of the month, sunrise is at 06:50 and sunset at 18:22 CEST.

Sunshine

In September, the average sunshine in Tjustvik is 8.3h.

UV index

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 3 during September, leads to the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To guard against the harmful effects of the Sun, minimize exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

What are the temperatures in Tjustvik in September?
The average high-temperature, in September, in Tjustvik, is 15.1°C (59.2°F), while the average low-temperature is 11.5°C (52.7°F).
What is the average humidity in September in Tjustvik?
The average relative humidity in September in Tjustvik, Sweden, is 80%.
How much does it rain in Tjustvik in September?
In September, in Tjustvik, Sweden, the rain falls for 11.6 days. Throughout September, 21mm (0.83") of precipitation is accumulated.
When it does not snow in Tjustvik?
In Tjustvik, Sweden, snow does not fall in June through September.
Does it snow in Tjustvik in September?
In Tjustvik, Sweden, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September in Tjustvik?
The average day length in September in Tjustvik is 12h and 50min.
When is the sunrise / sunset in September in Tjustvik?
On the first day of September, sunrise is at 05:44 and sunset at 19:48. On the last day of the month, sunrise is at 06:50 and sunset at 18:22 CEST.
How many hours of sunshine does Tjustvik have in September?
The average sunshine duration in September in Tjustvik is 8.3h.
What is the UV index intensity in September in Tjustvik?
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Tjustvik, Sweden
Average temperature in September
Tjustvik, Sweden
  • Average high temperature in September: 15.1°C

The warmest month (with the highest average high temperature) is July (18.9°C).
The months with the lowest average high temperature are January and February (0.4°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).

Average pressure in September - Tjustvik, Sweden
Average pressure in September
Tjustvik, Sweden
  • Average pressure in September: 1013.4mbar

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).

Average wind speed in September - Tjustvik, Sweden
Average wind speed in September
Tjustvik, Sweden
  • Average wind speed in September: 18.9km/h

The windiest month (with the highest average wind speed) is December (24.7km/h).
The calmest month (with the lowest average wind speed) is July (15.8km/h).

Average humidity in September - Tjustvik, Sweden
Average humidity in September
Tjustvik, Sweden
  • Average humidity in September: 80%

The months with the highest relative humidity are January, February, November and December (85%).
The months with the lowest relative humidity are April, May and June (77%).

Average rainfall in September - Tjustvik, Sweden
Average rainfall in September
Tjustvik, Sweden
  • Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is July (35mm).
The driest month (with the least rainfall) is April (10mm).

Average rainfall days in September - Tjustvik, Sweden
Average rainfall days in September
Tjustvik, Sweden
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (5.4 days).

Average snowfall in September - Tjustvik, Sweden
Average snowfall in September
Tjustvik, Sweden
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (41mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - Tjustvik, Sweden
Average snowfall days in September
Tjustvik, Sweden
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Tjustvik, Sweden
Average daylight in September /
Average sunshine in September
Tjustvik, Sweden
  • Average daylight in September: 12h and 5min

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 2min

The month with the most sunshine is June (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).

Average sunshine days in September - Tjustvik, Sweden
Average sunshine days in September
Tjustvik, Sweden
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is May (17.9 days).
The month with the least sunshine days is December (11.7 days).

Average UV index in September - Tjustvik, Sweden
Average UV index in September
Tjustvik, Sweden
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in September - Tjustvik, Sweden
Average cloud cover in September
Tjustvik, Sweden
  • Average cloud cover in September: 40

The months with the most cloud cover are January and February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September - Tjustvik, Sweden
Average visibility in September
Tjustvik, Sweden
  • Average visibility in September: 10km

The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).

englishespañol中文
Share