September weather forecastGartocharn, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a cool month in Gartocharn, United Kingdom, with an average temperature ranging between max 12.9°C (55.2°F) and min 7.7°C (45.9°F).Temperature
Gartocharn experiences a minor change to a fresh 12.9°C (55.2°F) in average high-temperature during September, closely reflecting August. During September nights, Gartocharn records an average temperature of 7.7°C (45.9°F).Humidity
In September, the average relative humidity in Gartocharn, United Kingdom, is 91%.Rainfall
In September, in Gartocharn, the rain falls for 14.9 days. Throughout September, 22mm (0.87") of precipitation is accumulated. Throughout the year, in Gartocharn, there are 159.3 rainfall days, and 354mm (13.94") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 44min.On the first day of the month, sunrise is at 6:23 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:20 am and sunset at 6:55 pm BST.
Sunshine
In September, the average sunshine is 4.6h.UV index
May through September, with an average maximum UV index of 3, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily UV index of 3 turns into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gartocharn, United Kingdom
- Average high temperature in September: 12.9°C
The warmest month (with the highest average high temperature) is July (15.4°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 7.7°C
The month with the highest average low temperature is July (9.2°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in September
Gartocharn, United Kingdom
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is May (1015.1mbar).
The month with the lowest atmospheric pressure is November (1006.5mbar).
Average wind speed in September
Gartocharn, United Kingdom
- Average wind speed in September: 12.7km/h
The windiest month (with the highest average wind speed) is January (16.8km/h).
The calmest months (with the lowest average wind speed) are June and July (10.5km/h).
Average humidity in September
Gartocharn, United Kingdom
- Average humidity in September: 91%
The months with the highest relative humidity are November and December (92%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in September
Gartocharn, United Kingdom
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is December (39mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Gartocharn, United Kingdom
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (9 days).
Average snowfall in September
Gartocharn, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (112mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gartocharn, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (12.6 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gartocharn, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 4h and 36min
The month with the most sunshine is June (Average sunshine: 6h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 54min).
Average sunshine days in September
Gartocharn, United Kingdom
- Average sunshine days in September: 10.2 days
The months with the most sunshine days are April and May (14.1 days).
The month with the least sunshine days is August (8.6 days).
Average UV index in September
Gartocharn, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July, August and September (UV index 3).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Gartocharn, United Kingdom
- Average cloud cover in September: 72
The month with the most cloud cover is August (Cloud cover 74).
The month with the least cloud cover is April (Cloud cover 61).
Average visibility in September
Gartocharn, United Kingdom
- Average visibility in September: 7km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (8km).
The months with the lowest visibility are July, August and September (7km).
