September weather forecastNotodden, Norway

September

Weather in September

September, the first month of the autumn in Notodden, is still a refreshing month, with an average temperature fluctuating between 5.7°C (42.3°F) and 13.5°C (56.3°F).

Temperature

September heralds a minor drop in average high-temperature, sliding from August's comfortable 17.4°C (63.3°F) to a mild 13.5°C (56.3°F). During the month of September, an average low-temperature of 5.7°C (42.3°F) is recorded in Notodden.

Humidity

In Notodden, the average relative humidity in September is 82%.

Rainfall

In September, in Notodden, the rain falls for 14.4 days. Throughout September, 62mm (2.44") of precipitation is accumulated. Throughout the year, in Notodden, there are 160 rainfall days, and 741mm (29.17") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Notodden.

Daylight

The average length of the day in September in Notodden is 12h and 51min.
On the first day of the month, sunrise is at 06:20 and sunset at 20:25. On the last day of September, sunrise is at 07:27 and sunset at 18:58 CEST.

Sunshine

The average sunshine in September is 7.2h.

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Heed the precautions - Suggestions to avoid sunburn are made. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

The average high-temperature, in September, in Notodden, is 13.5°C (56.3°F), while the average low-temperature is 5.7°C (42.3°F).

In September, the average relative humidity in Notodden is 82%.

In Notodden, during September, the rain falls for 14.4 days and regularly aggregates up to 62mm (2.44") of precipitation.

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

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

The average day length in September is 12h and 51min.

On the first day of September, sunrise is at 06:20 and sunset at 20:25. On the last day of the month, sunrise is at 07:27 and sunset at 18:58 CEST.

In September, the average sunshine duration is 7.2h.

In September, the average daily maximum UV index in Notodden, Norway, is 3. A UV Index reading of 3 to 5 represents a moderate health threat 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
Notodden, Norway

  • Average high temperature in September: 13.5°C

The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (-3.2°C).

  • Average low temperature in September: 5.7°C

The month with the highest average low temperature is July (9.5°C).
The coldest month (with the lowest average low temperature) is January (-8.1°C).

Average pressure in September
Notodden, Norway

  • Average pressure in September: 1012.6mbar

The month with the highest atmospheric pressure is April (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).

Average wind speed in September
Notodden, Norway

  • Average wind speed in September: 8.5km/h

The windiest month (with the highest average wind speed) is January (9.5km/h).
The calmest month (with the lowest average wind speed) is August (7.6km/h).

Average humidity in September
Notodden, Norway

  • Average humidity in September: 82%

The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (71%).

Average rainfall in September
Notodden, Norway

  • Average rainfall in September: 62mm

The wettest month (with the highest rainfall) is July (83mm).
The driest month (with the least rainfall) is April (33mm).

Average rainfall days in September
Notodden, Norway

  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is February (6.4 days).

Average snowfall in September
Notodden, Norway

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (305mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Notodden, Norway

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in September: 7h and 12min

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

Average sunshine days in September
Notodden, Norway

  • Average sunshine days in September: 13.1 days

The month with the most sunshine days is April (14 days).
The month with the least sunshine days is February (10 days).

Average UV index in September
Notodden, Norway

  • 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 February and October (UV index 1).

Average cloud cover in September
Notodden, Norway

  • Average cloud cover in September: 50

The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is June (Cloud cover 44).

Average visibility in September
Notodden, Norway

  • Average visibility in September: 8km

The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January, February, March and November (7km).