September weather forecastGlengarnock, United Kingdom
September
Weather in September
September, the first month of the autumn in Glengarnock, is still a mild month, with an average temperature varying between 10.6°C (51.1°F) and 14.1°C (57.4°F).Temperature
Glengarnock's average high-temperature in September is a still moderate 14.1°C (57.4°F), indicating a subtle variation from August. Glengarnock, in September, registers an average low temperature of 10.6°C (51.1°F), showing a minute reduction from daily highs.Humidity
July through September, with an average relative humidity of 86%, are the most humid months.Rainfall
In September, the rain falls for 13.3 days. Throughout September, 32mm (1.26") of precipitation is accumulated. In Glengarnock, during the entire year, the rain falls for 187.9 days and collects up to 473mm (18.62") of precipitation.Snowfall
May through November 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 6:24 am and sunset at 8:12 pm. On the last day of September, sunrise is at 7:20 am and sunset at 6:56 pm BST.
Sunshine
In September, the average sunshine is 6.3h.UV index
The months with the highest UV index are May, June, August and September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Undertake precautions - It is suggested to shield oneself from sunburn. It's recommended to limit sun exposure when its radiation is at its peak during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Glengarnock, United Kingdom
- Average high temperature in September: 14.1°C
The warmest month (with the highest average high temperature) is July (15.9°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 10.6°C
The months with the highest average low temperature are July and August (11.7°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Glengarnock, United Kingdom
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1015.3mbar).
The month with the lowest atmospheric pressure is November (1006.8mbar).
Average wind speed in September
Glengarnock, United Kingdom
- Average wind speed in September: 19.6km/h
The windiest months (with the highest average wind speed) are January and December (26km/h).
The calmest month (with the lowest average wind speed) is June (15.3km/h).
Average humidity in September
Glengarnock, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are July, August and September (86%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in September
Glengarnock, United Kingdom
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is August (56mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Glengarnock, United Kingdom
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (13.2 days).
Average snowfall in September
Glengarnock, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (17mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Glengarnock, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Glengarnock, 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: 6h and 18min
The month with the most sunshine is June (Average sunshine: 8h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Glengarnock, United Kingdom
- Average sunshine days in September: 14 days
The month with the most sunshine days is September (14 days).
The month with the least sunshine days is August (9.2 days).
Average UV index in September
Glengarnock, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, 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
Glengarnock, United Kingdom
- Average cloud cover in September: 57
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 51).
Average visibility in September
Glengarnock, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, September, October, November and December (10km).
The months with the lowest visibility are January, May, June, July and August (9km).
