Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
As Longmanhill welcomes September, the average high-temperature is noted at a still moderate 14.2°C (57.6°F), closely aligning with the preceding month. Longmanhill registers an average low-temperature of 10.2°C (50.4°F) throughout September, a modest decrease from its daytime highs.Humidity
The average relative humidity in September is 84%.Rainfall
In Longmanhill, during September, the rain falls for 15.2 days and regularly aggregates up to 27mm (1.06") of precipitation. In Longmanhill, during the entire year, the rain falls for 192.4 days and collects up to 332mm (13.07") of precipitation.Snowfall
In Longmanhill, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 47min.On the first day of the month, sunrise is at 6:11 am and sunset at 8:07 pm. On the last day of September, in Longmanhill, sunrise is at 7:12 am and sunset at 6:46 pm BST.
Sunshine
The average sunshine in September is 6.9h.UV index
June through September, with an average maximum UV index of 4, are months with the highest UV index in Longmanhill. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the usual temperature for Longmanhill in September?
What is the average humidity in September in Longmanhill?
How much does it rain in Longmanhill in September?
When it does not snow in Longmanhill?
How many hours of daylight does Longmanhill have in September?
What time are sunrise and sunset in September in Longmanhill?
How many hours of sunshine does Longmanhill have in September?
What are the months with the highest UV index in Longmanhill?
What is the UV index intensity in September in Longmanhill?
Average temperature in September
Longmanhill, United Kingdom
- Average high temperature in September: 14.2°C
The warmest months (with the highest average high temperature) are July and August (15.8°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (11.5°C).
The coldest months (with the lowest average low temperature) are January and February (3.2°C).
Average pressure in September
Longmanhill, United Kingdom
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).
Average wind speed in September
Longmanhill, United Kingdom
- Average wind speed in September: 20.1km/h
The windiest month (with the highest average wind speed) is January (27km/h).
The calmest month (with the lowest average wind speed) is July (16km/h).
Average humidity in September
Longmanhill, United Kingdom
- Average humidity in September: 84%
The month with the highest relative humidity is June (85%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Longmanhill, United Kingdom
- Average rainfall in September: 27mm
The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Longmanhill, United Kingdom
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is November (19.2 days).
The month with the least rainy days is February (13.1 days).
Average snowfall in September
Longmanhill, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is December (20mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Longmanhill, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Longmanhill, United Kingdom
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is June (Average sunshine: 7h and 54min).
The month with the least sunshine is November (Average sunshine: 4h and 6min).
Average sunshine days in September
Longmanhill, United Kingdom
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is May (12.3 days).
The month with the least sunshine days is November (6.2 days).
Average UV index in September
Longmanhill, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are 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
Longmanhill, United Kingdom
- Average cloud cover in September: 54
The months with the most cloud cover are June and November (Cloud cover 59).
The months with the least cloud cover are April and May (Cloud cover 53).
Average visibility in September
Longmanhill, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, June, October and December (10km).
The months with the lowest visibility are January, May, July, August, September and November (9km).
Longmanhill, United Kingdom
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