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
September's arrival shows an average high-temperature of a still comfortable 17.5°C (63.5°F), hardly different from the previous month. Gisleham's September nights experience a subtle temperature dip to an average of 13.6°C (56.5°F).Humidity
The months with the lowest humidity are August and September, with an average relative humidity of 77%.Rainfall
In Gisleham, United Kingdom, in September, it is raining for 12.5 days, with typically 22mm (0.87") of accumulated precipitation. Throughout the year, there are 170.3 rainfall days, and 349mm (13.74") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Gisleham.Daylight
In September, the average length of the day in Gisleham is 12h and 40min.On the first day of the month, sunrise is at 6:05 am and sunset at 7:40 pm. On the last day of September, sunrise is at 6:53 am and sunset at 6:32 pm BST.
Sunshine
In Gisleham, the average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September in Gisleham is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the temperature in September in Gisleham?
What is the least humid month in Gisleham?
What is the average humidity in September in Gisleham?
How much does it rain in Gisleham in September?
When it does not snow in Gisleham?
How many hours of daylight does Gisleham have in September?
When is the sunrise / sunset in September in Gisleham?
How long on average sun shines in September in Gisleham?
How high is the UV index in September in Gisleham?
Average temperature in September
Gisleham, United Kingdom
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is August (19.7°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (4.1°C).
Average pressure in September
Gisleham, United Kingdom
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
Gisleham, United Kingdom
- Average wind speed in September: 19.6km/h
The windiest month (with the highest average wind speed) is December (26.9km/h).
The calmest month (with the lowest average wind speed) is July (17.2km/h).
Average humidity in September
Gisleham, United Kingdom
- Average humidity in September: 77%
The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are August and September (77%).
Average rainfall in September
Gisleham, United Kingdom
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is October (41mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Gisleham, United Kingdom
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is November (17.1 days).
The month with the least rainy days is April (11.7 days).
Average snowfall in September
Gisleham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Gisleham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.6 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
Gisleham, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The months with the least sunshine are January and February (Average sunshine: 3h and 54min).
Average sunshine days in September
Gisleham, United Kingdom
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in September
Gisleham, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Gisleham, United Kingdom
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Gisleham, 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).
Gisleham, United Kingdom
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