September weather forecastGlommen, Sweden

September

Weather in September

September, the first month of the autumn in Glommen, is still a refreshing month, with an average temperature ranging between min 11.9°C (53.4°F) and max 16.3°C (61.3°F).

Temperature

A minor decrease in the average high-temperature is observed during September, shifting from a comfortable 19.5°C (67.1°F) in August to a still refreshing 16.3°C (61.3°F). Glommen upholds a consistent average temperature of 11.9°C (53.4°F) throughout the nights of September.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In September, the rain falls for 17.1 days. Throughout September, 63mm (2.48") of precipitation is accumulated. In Glommen, during the entire year, the rain falls for 180.4 days and collects up to 615mm (24.21") of precipitation.

Snowfall

In Glommen, snow does not fall in May through September.

Daylight

In Glommen, the average length of the day in September is 12h and 46min.
On the first day of September, sunrise is at 06:14 and sunset at 20:06. On the last day of the month, sunrise is at 07:13 and sunset at 18:47 CEST.

Sunshine

The average sunshine in September is 7.4h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

The average high-temperature, in September, in Glommen, is 16.3°C (61.3°F), while the average low-temperature is 11.9°C (53.4°F).

The average relative humidity in September is 79%.

In Glommen, in September, during 17.1 rainfall days, 63mm (2.48") of precipitation is typically accumulated.

May through September are months without snowfall.

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

The average day length in September in Glommen is 12h and 46min.

In September, on the first day of the month, sunrise is at 06:14 and sunset at 20:06. On the last day of the month, sunrise is at 07:13 and sunset at 18:47 CEST.

In Glommen, the average sunshine duration in September is 7.4h.

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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
Glommen, Sweden

  • Average high temperature in September: 16.3°C

The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is February (1.9°C).

  • Average low temperature in September: 11.9°C

The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (-0.9°C).

Average pressure in September
Glommen, Sweden

  • Average pressure in September: 1014.5mbar

The month with the highest atmospheric pressure is April (1015.1mbar).
The month with the lowest atmospheric pressure is December (1009.7mbar).

Average wind speed in September
Glommen, Sweden

  • Average wind speed in September: 17.3km/h

The windiest month (with the highest average wind speed) is December (21.3km/h).
The calmest months (with the lowest average wind speed) are June and July (15.1km/h).

Average humidity in September
Glommen, Sweden

  • Average humidity in September: 79%

The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is May (72%).

Average rainfall in September
Glommen, Sweden

  • Average rainfall in September: 63mm

The wettest month (with the highest rainfall) is August (85mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in September
Glommen, Sweden

  • Average rainfall days in September: 17.1 days

The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is February (10.9 days).

Average snowfall in September
Glommen, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (60mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Glommen, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (9.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 54min).

  • Average sunshine in September: 7h and 24min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are November and December (Average sunshine: 3h and 18min).

Average sunshine days in September
Glommen, Sweden

  • Average sunshine days in September: 10.5 days

The month with the most sunshine days is April (15.9 days).
The month with the least sunshine days is August (8 days).

Average UV index in September
Glommen, Sweden

  • Average UV index in September: 4

The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Glommen, Sweden

  • Average cloud cover in September: 49

The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 40).

Average visibility in September
Glommen, Sweden

  • Average visibility in September: 10km

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