September weather forecastNorham, United Kingdom

September

Weather in September

September, the first month of the autumn in Norham, is also a moderate month, with temperature in the range of an average high of 14.7°C (58.5°F) and an average low of 10.6°C (51.1°F).

Temperature

September denotes a minimal variation in the average high-temperature to a still refreshing 14.7°C (58.5°F) from August's 16.5°C (61.7°F). Norham observes an average low-temperature of 10.6°C (51.1°F) during the slightly cooler nights of September.

Humidity

The months with the highest humidity in Norham are January, June through December, with an average relative humidity of 84%.

Rainfall

In Norham, in September, it is raining for 14.4 days, with typically 34mm (1.34") of accumulated precipitation. In Norham, during the entire year, the rain falls for 195.7 days and collects up to 465mm (18.31") of precipitation.

Snowfall

In Norham, snow does not fall in May through October.

Daylight

The average length of the day in September in Norham is 12h and 44min.
On the first day of the month, sunrise is at 6:14 am and sunset at 8:02 pm. On the last day of September, in Norham, sunrise is at 7:10 am and sunset at 6:46 pm BST.

Sunshine

In Norham, the average sunshine in September is 7.1h.

UV index

The months with the highest UV index in Norham are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 4 in September translates into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

The high-temperature, in September, in Norham, is 14.7°C (58.5°F), while the low-temperature averages to 10.6°C (51.1°F).

January, June through December, with an average relative humidity of 84%, are most humid months.

In Norham, the average relative humidity in September is 84%.

In Norham, in September, it is raining for 14.4 days, with typically 34mm (1.34") of accumulated precipitation.

May through October are months without snowfall in Norham.

In September, the average day length in Norham, United Kingdom, is 12h and 44min.

On the first day of September, sunrise is at 6:14 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:10 am and sunset at 6:46 pm BST.

The average sunshine duration in September in Norham, United Kingdom, is 7.1h.

May through September, with an average maximum UV index of 4, are months with the highest UV index in Norham.

In Norham, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Norham, United Kingdom

  • Average high temperature in September: 14.7°C

The warmest month (with the highest average high temperature) is July (16.6°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in September: 10.6°C

The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (3.2°C).

Average pressure in September
Norham, United Kingdom

  • Average pressure in September: 1013.7mbar

The month with the highest atmospheric pressure is May (1015.7mbar).
The month with the lowest atmospheric pressure is November (1007.3mbar).

Average wind speed in September
Norham, United Kingdom

  • Average wind speed in September: 19.7km/h

The windiest month (with the highest average wind speed) is December (25.9km/h).
The calmest month (with the lowest average wind speed) is June (15.6km/h).

Average humidity in September
Norham, United Kingdom

  • Average humidity in September: 84%

The months with the highest relative humidity are January, June, July, August, September, October, November and December (84%).
The month with the lowest relative humidity is April (81%).

Average rainfall in September
Norham, United Kingdom

  • Average rainfall in September: 34mm

The wettest month (with the highest rainfall) is August (58mm).
The driest month (with the least rainfall) is April (21mm).

Average rainfall days in September
Norham, United Kingdom

  • Average rainfall days in September: 14.4 days

The month with the highest number of rainy days is July (20.6 days).
The month with the least rainy days is February (12 days).

Average snowfall in September
Norham, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (23mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Norham, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Norham, United Kingdom

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 6min).

  • Average sunshine in September: 7h and 6min

The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is November (Average sunshine: 4h and 12min).

Average sunshine days in September
Norham, United Kingdom

  • Average sunshine days in September: 11.4 days

The month with the most sunshine days is April (12.8 days).
The month with the least sunshine days is August (7.5 days).

Average UV index in September
Norham, United Kingdom

  • Average UV index in September: 4

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Norham, United Kingdom

  • Average cloud cover in September: 50

The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is April (Cloud cover 48).

Average visibility in September
Norham, United Kingdom

  • Average visibility in September: 10km

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