September weather forecastRansta, Sweden

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Ransta, Sweden, with an average temperature varying between 8.3°C (46.9°F) and 16.1°C (61°F).

Temperature

Transitioning from August to September involves a subtle drop in average high-temperatures, descending from an agreeable 20.9°C (69.6°F) to a refreshing 16.1°C (61°F). An average low-temperature of 8.3°C (46.9°F) is observed during September nights.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Ransta, in September, it is raining for 9.7 days, with typically 19mm (0.75") of accumulated precipitation. In Ransta, during the entire year, the rain falls for 119.5 days and collects up to 256mm (10.08") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Ransta, the average length of the day in September is 12h and 52min.
On the first day of the month, sunrise is at 05:50 and sunset at 19:56. On the last day of September, sunrise is at 06:57 and sunset at 18:28 CEST.

Sunshine

In September, the average sunshine is 7.6h.

UV index

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

In September, in Ransta, the average high-temperature is 16.1°C (61°F), and the average low-temperature is 8.3°C (46.9°F).

The average relative humidity in September is 79%.

In Ransta, during September, the rain falls for 9.7 days and regularly aggregates up to 19mm (0.75") of precipitation.

In Ransta, Sweden, snow does not fall in June through September.

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

The average day length in September is 12h and 52min.

In September, on the first day of the month, sunrise is at 05:50 and sunset at 19:56. On the last day of the month, sunrise is at 06:57 and sunset at 18:28 CEST.

In September, the average sunshine duration is 7.6h.

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ransta, Sweden

  • Average high temperature in September: 16.1°C

The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-1.6°C).

  • Average low temperature in September: 8.3°C

The month with the highest average low temperature is July (12.2°C).
The coldest months (with the lowest average low temperature) are January and February (-5.3°C).

Average pressure in September
Ransta, Sweden

  • Average pressure in September: 1013.1mbar

The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).

Average wind speed in September
Ransta, Sweden

  • Average wind speed in September: 10.9km/h

The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).

Average humidity in September
Ransta, Sweden

  • Average humidity in September: 79%

The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is May (68%).

Average rainfall in September
Ransta, Sweden

  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is July (36mm).
The driest month (with the least rainfall) is February (12mm).

Average rainfall days in September
Ransta, Sweden

  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is January (3.9 days).

Average snowfall in September
Ransta, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (68mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Ransta, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 54min

The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).

  • Average sunshine in September: 7h and 36min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).

Average sunshine days in September
Ransta, Sweden

  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (12.9 days).

Average UV index in September
Ransta, Sweden

  • Average UV index in September: 3

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

Average cloud cover in September
Ransta, Sweden

  • Average cloud cover in September: 49

The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 43).

Average visibility in September
Ransta, Sweden

  • Average visibility in September: 8km

The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, February, November and December (7km).