September weather forecastNiemisel, Sweden

September

Weather in September

September, the first month of the autumn in Niemisel, is also a fresh month, with an average temperature ranging between max 12.8°C (55°F) and min 6.2°C (43.2°F).

Temperature

September involves a decrease in temperature, down from a refreshing 18.3°C (64.9°F) in August to a cool 12.8°C (55°F). In September, Niemisel experiences an average nighttime temperature of 6.2°C (43.2°F).

Humidity

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

Rainfall

In Niemisel, in September, it is raining for 13 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, in Niemisel, there are 122.6 rainfall days, and 434mm (17.09") of precipitation is accumulated.

Snowfall

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

Daylight

In September, the average length of the day is 13h and 7min.
On the first day of September, sunrise is at 05:09 and sunset at 19:54. On the last day of the month, sunrise is at 06:41 and sunset at 18:02 CEST.

Sunshine

The average sunshine in September is 7.3h.

UV index

The average daily maximum UV index in September in Niemisel, Sweden, is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.

Frequently asked questions

In September, in Niemisel, the average high-temperature is 12.8°C (55°F), and the average low-temperature is 6.2°C (43.2°F).

In September, the average relative humidity is 80%.

In Niemisel, Sweden, in September, during 13 rainfall days, 36mm (1.42") of precipitation is typically accumulated.

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

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

The average day length in September is 13h and 7min.

On the first day of September in Niemisel, sunrise is at 05:09 and sunset at 19:54. On the last day of the month, sunrise is at 06:41 and sunset at 18:02 CEST.

The average sunshine duration in September is 7.3h.

The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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
Niemisel, Sweden

  • Average high temperature in September: 12.8°C

The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is January (-7.1°C).

  • Average low temperature in September: 6.2°C

The month with the highest average low temperature is July (11.5°C).
The coldest month (with the lowest average low temperature) is February (-12.7°C).

Average pressure in September
Niemisel, Sweden

  • Average pressure in September: 1010.8mbar

The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).

Average wind speed in September
Niemisel, Sweden

  • Average wind speed in September: 10.3km/h

The windiest month (with the highest average wind speed) is March (10.9km/h).
The calmest month (with the lowest average wind speed) is April (9.5km/h).

Average humidity in September
Niemisel, Sweden

  • Average humidity in September: 80%

The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is June (63%).

Average rainfall in September
Niemisel, Sweden

  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in September
Niemisel, Sweden

  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (3.5 days).

Average snowfall in September
Niemisel, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (289mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Niemisel, Sweden

  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are July and August (0 days).

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

  • Average daylight in September: 13h and 6min

The month with the longest days is July (Average daylight: 20h and 54min).
The month with the shortest days is December (Average daylight: 3h and 12min).

  • Average sunshine in September: 7h and 18min

The month with the most sunshine is July (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).

Average sunshine days in September
Niemisel, Sweden

  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is April (8.6 days).

Average UV index in September
Niemisel, 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, February, March, October, November and December (UV index 1).

Average cloud cover in September
Niemisel, Sweden

  • Average cloud cover in September: 49

The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 42).

Average visibility in September
Niemisel, Sweden

  • Average visibility in September: 9km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (5km).