September weather forecastPostling, United Kingdom
September
Weather in September
September, the first month of the autumn in Postling, is still a refreshing month, with temperature in the range of an average high of 17.6°C (63.7°F) and an average low of 14.6°C (58.3°F).Temperature
The transition from August to September brings an average high-temperature of a still comfortable 17.6°C (63.7°F), barely different from August's 19.3°C (66.7°F). Postling maintains a consistent average nighttime low-temperature of 14.6°C (58.3°F) throughout September.Humidity
September is the least humid month, with an average relative humidity of 78%.Rainfall
In Postling, during September, the rain falls for 12.5 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, in Postling, there are 181.6 rainfall days, and 488mm (19.21") of precipitation is accumulated.Snowfall
In Postling, United Kingdom, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:09 am and sunset at 7:41 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:35 pm BST.
Sunshine
The average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index in Postling is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The UV index of 4 in September translates into these instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Postling, United Kingdom
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is August (19.3°C).
The months with the lowest average high temperature are January and February (7.4°C).
- Average low temperature in September: 14.6°C
The month with the highest average low temperature is August (16°C).
The coldest month (with the lowest average low temperature) is February (4.9°C).
Average pressure in September
Postling, United Kingdom
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in September
Postling, United Kingdom
- Average wind speed in September: 21.5km/h
The windiest month (with the highest average wind speed) is December (28.9km/h).
The calmest month (with the lowest average wind speed) is July (18.7km/h).
Average humidity in September
Postling, United Kingdom
- Average humidity in September: 78%
The months with the highest relative humidity are January, June and December (83%).
The month with the lowest relative humidity is September (78%).
Average rainfall in September
Postling, United Kingdom
- Average rainfall in September: 34mm
The wettest months (with the highest rainfall) are November and December (60mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Postling, United Kingdom
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is November (18.9 days).
The month with the least rainy days is April (12.4 days).
Average snowfall in September
Postling, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Postling, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 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
Postling, United Kingdom
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Postling, United Kingdom
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is May (15.7 days).
The month with the least sunshine days is November (8 days).
Average UV index in September
Postling, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 2).
Average cloud cover in September
Postling, United Kingdom
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Postling, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
