September weather forecastDalham, United Kingdom

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Dalham, United Kingdom, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 11.5°C (52.7°F).

Temperature

With the arrival of September, Dalham's average high-temperature registers at an enjoyable 18.5°C (65.3°F), indicating a subtle variation from the previous month. Throughout the month of September, Dalham observes an average nighttime temperature of 11.5°C (52.7°F).

Humidity

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

Rainfall

In September, in Dalham, United Kingdom, the rain falls for 10.9 days. Throughout September, 25mm (0.98") of precipitation is accumulated. In Dalham, during the entire year, the rain falls for 160.7 days and collects up to 399mm (15.71") of precipitation.

Snowfall

In Dalham, snow does not fall in April through October.

Daylight

The average length of the day in September in Dalham is 12h and 39min.
On the first day of September in Dalham, sunrise is at 6:10 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:37 pm BST.

Sunshine

In September, the average sunshine is 7.2h.

UV index

In Dalham, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

In September, the average high-temperature and low-temperature in Dalham are 18.5°C (65.3°F) and 11.5°C (52.7°F) respectively.

The average relative humidity in September in Dalham, United Kingdom, is 78%.

In Dalham, United Kingdom, during September, the rain falls for 10.9 days and regularly aggregates up to 25mm (0.98") of precipitation.

In Dalham, snow does not fall in April through October.

The average day length in September in Dalham, United Kingdom, is 12h and 39min.

On the first day of September, sunrise is at 6:10 am and sunset at 7:45 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:37 pm BST.

In Dalham, the average sunshine duration in September is 7.2h.

The average daily maximum UV index in September in Dalham is 4. A UV Index estimate of 3 to 5 represents a medium health risk 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Dalham, United Kingdom

  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (6.2°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in September
Dalham, United Kingdom

  • Average pressure in September: 1016.6mbar

The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).

Average wind speed in September
Dalham, United Kingdom

  • Average wind speed in September: 13.5km/h

The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).

Average humidity in September
Dalham, United Kingdom

  • Average humidity in September: 78%

The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (75%).

Average rainfall in September
Dalham, United Kingdom

  • Average rainfall in September: 25mm

The wettest month (with the highest rainfall) is June (47mm).
The driest month (with the least rainfall) is April (20mm).

Average rainfall days in September
Dalham, United Kingdom

  • Average rainfall days in September: 10.9 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (10.6 days).

Average snowfall in September
Dalham, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Dalham, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in September: 7h and 12min

The month with the most sunshine is August (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).

Average sunshine days in September
Dalham, United Kingdom

  • Average sunshine days in September: 17.2 days

The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is June (10.4 days).

Average UV index in September
Dalham, United Kingdom

  • Average UV index in September: 4

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

Average cloud cover in September
Dalham, United Kingdom

  • Average cloud cover in September: 47

The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 47).

Average visibility in September
Dalham, United Kingdom

  • Average visibility in September: 9km

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