September weather forecastHennan, Sweden

September

Weather in September

The first month of the autumn, September, is also a moderate month in Hennan, Sweden, with temperature in the range of an average high of 13.6°C (56.5°F) and an average low of 6.5°C (43.7°F).

Temperature

Hennan, Sweden, in September undergoes a mild reduction in the average high-temperature, shifting from August's refreshing 18.7°C (65.7°F) to a moderate 13.6°C (56.5°F). In Hennan, an average low-temperature of 6.5°C (43.7°F) is recorded during September nights.

Humidity

In September, the average relative humidity in Hennan is 81%.

Rainfall

In September, in Hennan, the rain falls for 13.8 days. Throughout September, 34mm (1.34") of precipitation is accumulated. Throughout the year, there are 134.6 rainfall days, and 414mm (16.3") of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 56min.
On the first day of the month, sunrise is at 05:47 and sunset at 20:05. On the last day of September, in Hennan, sunrise is at 07:02 and sunset at 18:30 CEST.

Sunshine

In September, the average sunshine is 7h.

UV index

In Hennan, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 3 in September interprets into the following advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

In Hennan, in September, the average high-temperature is 13.6°C (56.5°F), and the average low-temperature is 6.5°C (43.7°F).

The average relative humidity in September in Hennan is 81%.

In Hennan, during September, the rain falls for 13.8 days and regularly aggregates up to 34mm (1.34") of precipitation.

June through September are months without snowfall in Hennan.

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

In September, the average day length in Hennan, Sweden, is 12h and 56min.

On the first day of September in Hennan, Sweden, sunrise is at 05:47 and sunset at 20:05. On the last day of the month, sunrise is at 07:02 and sunset at 18:30 CEST.

The average sunshine duration in September in Hennan, Sweden, is 7h.

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes 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
Hennan, Sweden

  • Average high temperature in September: 13.6°C

The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (-3.8°C).

  • Average low temperature in September: 6.5°C

The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is January (-8.5°C).

Average pressure in September
Hennan, Sweden

  • Average pressure in September: 1012.2mbar

The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1006.3mbar).

Average wind speed in September
Hennan, Sweden

  • Average wind speed in September: 9.4km/h

The windiest month (with the highest average wind speed) is March (10.4km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in September
Hennan, Sweden

  • Average humidity in September: 81%

The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (67%).

Average rainfall in September
Hennan, Sweden

  • Average rainfall in September: 34mm

The wettest months (with the highest rainfall) are June and July (45mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in September
Hennan, Sweden

  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.8 days).

Average snowfall in September
Hennan, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (220mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Hennan, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 54min

The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).

  • Average sunshine in September: 7h and 0min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).

Average sunshine days in September
Hennan, Sweden

  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is February (10.3 days).

Average UV index in September
Hennan, Sweden

  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in September
Hennan, Sweden

  • Average cloud cover in September: 54

The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 46).

Average visibility in September
Hennan, Sweden

  • Average visibility in September: 8km

The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (5km).