September weather forecastDalmellington, United Kingdom

September weather for Dalmellington, United Kingdom: September, the first month of the autumn in Dalmellington, is still a mild month, with an average temperature ranging between min 10.5°C (50.9°F) and max 14.4°C (57.9°F). On the first day of September in Dalmellington, sunrise is at 6:24 am and sunset at 8:10 pm.

September

Weather in September

September, the first month of the autumn in Dalmellington, is still a mild month, with an average temperature ranging between min 10.5°C (50.9°F) and max 14.4°C (57.9°F).

Temperature

Dalmellington marks the onset of September with an average high-temperature of a still moderate 14.4°C (57.9°F), a subtle shift from August's 15.9°C (60.6°F). Dalmellington's September nights demonstrate minimal variation from the daytime temperatures, with an average of 10.5°C (50.9°F).

Humidity

In Dalmellington, the average relative humidity in September is 86%.

Rainfall

In Dalmellington, in September, during 18.2 rainfall days, 46mm (1.81") of precipitation is typically accumulated. In Dalmellington, United Kingdom, during the entire year, the rain falls for 228.1 days and collects up to 634mm (24.96") of precipitation.

Snowfall

In Dalmellington, United Kingdom, snow does not fall in May through November.

Daylight

In Dalmellington, the average length of the day in September is 12h and 43min.
On the first day of September in Dalmellington, sunrise is at 6:24 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 6:55 pm BST.

Sunshine

In Dalmellington, the average sunshine in September is 6.2h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 4 in September translates into these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.

Frequently asked questions

During September, Dalmellington experiences an average high-temperature of 14.4°C (57.9°F) and a low-temperature of 10.5°C (50.9°F).

In September, the average relative humidity in Dalmellington, United Kingdom, is 86%.

In Dalmellington, in September, during 18.2 rainfall days, 46mm (1.81") of precipitation is typically accumulated.

In Dalmellington, United Kingdom, snow does not fall in May through November.

In September, the average day length in Dalmellington is 12h and 43min.

On the first day of September in Dalmellington, sunrise is at 6:24 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 6:55 pm BST.

In Dalmellington, United Kingdom, the average sunshine duration in September is 6.2h.

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

In Dalmellington, the average daily maximum UV index in September is 4. A UV Index reading 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
Dalmellington, United Kingdom

  • Average high temperature in September: 14.4°C

The warmest month (with the highest average high temperature) is July (16.1°C).
The month with the lowest average high temperature is January (6°C).

  • Average low temperature in September: 10.5°C

The month with the highest average low temperature is August (11.4°C).
The coldest month (with the lowest average low temperature) is February (3.1°C).

Average pressure in September
Dalmellington, United Kingdom

  • Average pressure in September: 1013.6mbar

The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1007mbar).

Average wind speed in September
Dalmellington, United Kingdom

  • Average wind speed in September: 19.2km/h

The windiest month (with the highest average wind speed) is January (25.6km/h).
The calmest months (with the lowest average wind speed) are June and July (15.3km/h).

Average humidity in September
Dalmellington, United Kingdom

  • Average humidity in September: 86%

The month with the highest relative humidity is August (87%).
The month with the lowest relative humidity is April (82%).

Average rainfall in September
Dalmellington, United Kingdom

  • Average rainfall in September: 46mm

The wettest month (with the highest rainfall) is December (71mm).
The driest month (with the least rainfall) is April (27mm).

Average rainfall days in September
Dalmellington, United Kingdom

  • Average rainfall days in September: 18.2 days

The month with the highest number of rainy days is August (22.2 days).
The month with the least rainy days is April (15.4 days).

Average snowfall in September
Dalmellington, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (22mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Dalmellington, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (2.4 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
Dalmellington, United Kingdom

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 12min).

  • Average sunshine in September: 6h and 12min

The month with the most sunshine is June (Average sunshine: 7h and 48min).
The months with the least sunshine are January and February (Average sunshine: 3h and 42min).

Average sunshine days in September
Dalmellington, United Kingdom

  • Average sunshine days in September: 8.7 days

The month with the most sunshine days is April (12 days).
The month with the least sunshine days is August (5.8 days).

Average UV index in September
Dalmellington, 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, March, November and December (UV index 2).

Average cloud cover in September
Dalmellington, United Kingdom

  • Average cloud cover in September: 58

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 52).

Average visibility in September
Dalmellington, 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).