September weather forecastMjällom, Sweden

September

Weather in September

September, the first month of the autumn in Mjällom, is also a moderate month, with an average temperature varying between 13.7°C (56.7°F) and 6.5°C (43.7°F).

Temperature

A shift in Mjällom's weather is observed as August turns into September, with the average high temperature reducing from 18.8°C (65.8°F) to a still refreshing 13.7°C (56.7°F). During the month of September, the temperature in Mjällom, Sweden, falls to an average of 6.5°C (43.7°F).

Humidity

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

Rainfall

In September, in Mjällom, the rain falls for 13.6 days. Throughout September, 34mm (1.34") of precipitation is accumulated. In Mjällom, during the entire year, the rain falls for 134.7 days and collects up to 438mm (17.24") of precipitation.

Snowfall

June through September are months without snowfall in Mjällom.

Daylight

In Mjällom, the average length of the day in September is 12h and 58min.
On the first day of the month, sunrise is at 05:34 and sunset at 19:58. On the last day of September, sunrise is at 06:52 and sunset at 18:19 CEST.

Sunshine

The average sunshine in September is 7.2h.

UV index

In September, the average daily maximum UV index in Mjällom is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 3 in September leads to these recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

The high-temperature, in September, in Mjällom, records 13.7°C (56.7°F), while the low-temperature is 6.5°C (43.7°F).

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

In Mjällom, in September, during 13.6 rainfall days, 34mm (1.34") of precipitation is typically accumulated.

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

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

In September, the average day length is 12h and 58min.

On the first day of September in Mjällom, Sweden, sunrise is at 05:34 and sunset at 19:58. On the last day of the month, sunrise is at 06:52 and sunset at 18:19 CEST.

In Mjällom, Sweden, the average sunshine duration in September is 7.2h.

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Mjällom, Sweden

  • Average high temperature in September: 13.7°C

The warmest month (with the highest average high temperature) is July (20.3°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 (10.6°C).
The coldest month (with the lowest average low temperature) is February (-8.4°C).

Average pressure in September
Mjällom, Sweden

  • Average pressure in September: 1011.7mbar

The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).

Average wind speed in September
Mjällom, Sweden

  • Average wind speed in September: 9.5km/h

The windiest month (with the highest average wind speed) is March (10.8km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).

Average humidity in September
Mjällom, Sweden

  • Average humidity in September: 81%

The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (65%).

Average rainfall in September
Mjällom, Sweden

  • Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in September
Mjällom, Sweden

  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (4.1 days).

Average snowfall in September
Mjällom, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (245mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Mjällom, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 13h and 0min

The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 4h and 54min).

  • Average sunshine in September: 7h and 12min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).

Average sunshine days in September
Mjällom, Sweden

  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is October (15.5 days).
The months with the least sunshine days are February and December (10.5 days).

Average UV index in September
Mjällom, 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, February, March and December (UV index 1).

Average cloud cover in September
Mjällom, Sweden

  • Average cloud cover in September: 53

The months with the most cloud cover are January and February (Cloud cover 65).
The months with the least cloud cover are June and July (Cloud cover 44).

Average visibility in September
Mjällom, 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 (6km).