September weather forecastHeggem, Norway

September

Weather in September

September, the first month of the autumn in Heggem, is still a cool month, with an average temperature ranging between min 6.5°C (43.7°F) and max 11.9°C (53.4°F).

Temperature

In Heggem, the average high-temperature in September slightly decreases from a mild 15.7°C (60.3°F) in August to a fresh 11.9°C (53.4°F). In Heggem, the September nights cool down to an average low of 6.5°C (43.7°F).

Humidity

In Heggem, the average relative humidity in September is 78%.

Rainfall

In September, the rain falls for 14.5 days. Throughout September, 64mm (2.52") of precipitation is accumulated. In Heggem, during the entire year, the rain falls for 163.2 days and collects up to 779mm (30.67") of precipitation.

Snowfall

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

Daylight

In September, the average length of the day in Heggem is 12h and 58min.
On the first day of the month, sunrise is at 06:16 and sunset at 20:39. On the last day of September, sunrise is at 07:35 and sunset at 19:01 CEST.

Sunshine

The average sunshine in September is 7.7h.

UV index

The average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the UV index of 2 transforms into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

The high-temperature during September is 11.9°C (53.4°F) and the low-temperature is 6.5°C (43.7°F).

In Heggem, the average relative humidity in September is 78%.

In Heggem, Norway, in September, it is raining for 14.5 days, with typically 64mm (2.52") of accumulated precipitation.

June through September are months without snowfall in Heggem.

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

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

In September, on the first day of the month, sunrise is at 06:16 and sunset at 20:39. On the last day of the month, in Heggem, Norway, sunrise is at 07:35 and sunset at 19:01 CEST.

In September, the average sunshine duration in Heggem, Norway, is 7.7h.

The average daily maximum UV index in September in Heggem is 2. A UV Index value of 2, and less, symbolizes a low health threat 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Heggem, Norway

  • Average high temperature in September: 11.9°C

The warmest months (with the highest average high temperature) are July and August (15.7°C).
The month with the lowest average high temperature is January (-2.1°C).

  • Average low temperature in September: 6.5°C

The month with the highest average low temperature is July (8.8°C).
The coldest month (with the lowest average low temperature) is January (-5.9°C).

Average pressure in September
Heggem, Norway

  • Average pressure in September: 1010.5mbar

The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1003.7mbar).

Average wind speed in September
Heggem, Norway

  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is January (15.6km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).

Average humidity in September
Heggem, Norway

  • Average humidity in September: 78%

The month with the highest relative humidity is March (86%).
The months with the lowest relative humidity are May and June (77%).

Average rainfall in September
Heggem, Norway

  • Average rainfall in September: 64mm

The wettest month (with the highest rainfall) is January (92mm).
The driest month (with the least rainfall) is November (36mm).

Average rainfall days in September
Heggem, Norway

  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is February (9 days).

Average snowfall in September
Heggem, Norway

  • Average snowfall in September: 0mm

The months with the highest snowfall are January and February (347mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Heggem, Norway

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is March (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Heggem, Norway

  • Average daylight in September: 13h and 0min

The month with the longest days is June (Average daylight: 20h and 0min).
The month with the shortest days is December (Average daylight: 5h and 0min).

  • Average sunshine in September: 7h and 42min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).

Average sunshine days in September
Heggem, Norway

  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is July (8.6 days).

Average UV index in September
Heggem, Norway

  • Average UV index in September: 2

The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are March and December (UV index 1).

Average cloud cover in September
Heggem, Norway

  • Average cloud cover in September: 49

The month with the most cloud cover is March (Cloud cover 61).
The month with the least cloud cover is November (Cloud cover 46).

Average visibility in September
Heggem, Norway

  • Average visibility in September: 9km

The months with the highest visibility are January, February, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is March (8km).