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
Effingham measures an average high-temperature of a refreshing 18.8°C (65.8°F) in September, nearly consistent with the preceding month. In September, the recorded average low-temperature is a fresh 11°C (51.8°F).Humidity
In Effingham, the average relative humidity in September is 79%.Rainfall
In Effingham, in September, during 10 rainfall days, 17mm (0.67") of precipitation is typically accumulated. In Effingham, during the entire year, the rain falls for 151.9 days and collects up to 291mm (11.46") of precipitation.Snowfall
April through October are months without snowfall in Effingham.Daylight
The average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 6:15 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:41 pm BST.
Sunshine
In Effingham, the average sunshine in September is 7.5h.UV index
In September, the average daily maximum UV index in Effingham is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the UV index of 4 transforms into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Frequently asked questions
What is the average September temperature in Effingham?
What is the average humidity in September in Effingham?
How much does it rain in Effingham in September?
When it does not snow in Effingham?
What is the average length of the day in September in Effingham?
What time are sunrise and sunset in September in Effingham?
How many hours of sunshine does Effingham have in September?
What is the UV index intensity in September in Effingham?
Average temperature in September
Effingham, United Kingdom
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in September
Effingham, United Kingdom
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in September
Effingham, United Kingdom
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest months (with the lowest average wind speed) are July and August (12.8km/h).
Average humidity in September
Effingham, United Kingdom
- Average humidity in September: 79%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (76%).
Average rainfall in September
Effingham, United Kingdom
- Average rainfall in September: 17mm
The wettest month (with the highest rainfall) is December (33mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Effingham, United Kingdom
- Average rainfall days in September: 10 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is September (10 days).
Average snowfall in September
Effingham, 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
Effingham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.5 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
Effingham, United Kingdom
- Average daylight in September: 12h and 4min
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: 7h and 3min
The month with the most sunshine is July (Average sunshine: 8h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Effingham, United Kingdom
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is September (16.7 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in September
Effingham, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Effingham, United Kingdom
- Average cloud cover in September: 47
The months with the most cloud cover are February and November (Cloud cover 60).
The months with the least cloud cover are April, July, August and September (Cloud cover 47).
Average visibility in September
Effingham, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
Effingham, United Kingdom
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