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
Upon the onset of September, Chichester witnesses an average high-temperature of a still refreshing 17.8°C (64°F), showing a close resemblance to the prior month. An average temperature of 13°C (55.4°F) is logged during the nights of September, a small step down from daytime highs.Humidity
The least humid month is September, with an average relative humidity of 79%.Rainfall
In Chichester, in September, it is raining for 12.6 days, with typically 33mm (1.3") of accumulated precipitation. In Chichester, during the entire year, the rain falls for 183.3 days and collects up to 504mm (19.84") of precipitation.Snowfall
March through October are months without snowfall.Daylight
In Chichester, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 6:17 am and sunset at 7:48 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:43 pm BST.
Sunshine
The average sunshine in September is 8.3h.UV index
In Chichester, United Kingdom, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Frequently asked questions
What are the temperatures in Chichester in September?
What is the least humid month in Chichester?
What is the average humidity in September in Chichester?
How much does it rain in Chichester in September?
When it does not snow in Chichester?
What is the average length of the day in September in Chichester?
When are sunrise and sunset in September in Chichester?
How many hours of sunshine does Chichester have in September?
What is the UV index reading in September in Chichester?
Average temperature in September
Chichester, United Kingdom
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The month with the lowest average high temperature is February (7.7°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in September
Chichester, 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 (1010.9mbar).
Average wind speed in September
Chichester, United Kingdom
- Average wind speed in September: 18.6km/h
The windiest month (with the highest average wind speed) is December (24.8km/h).
The calmest month (with the lowest average wind speed) is July (16.9km/h).
Average humidity in September
Chichester, United Kingdom
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is September (79%).
Average rainfall in September
Chichester, United Kingdom
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is December (64mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in September
Chichester, United Kingdom
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is November (18.8 days).
The month with the least rainy days is September (12.6 days).
Average snowfall in September
Chichester, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Chichester, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (1.8 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
Chichester, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 6min).
Average sunshine days in September
Chichester, United Kingdom
- Average sunshine days in September: 13 days
The month with the most sunshine days is March (14.3 days).
The month with the least sunshine days is November (8.3 days).
Average UV index in September
Chichester, 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 and February (UV index 2).
Average cloud cover in September
Chichester, United Kingdom
- Average cloud cover in September: 40
The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Chichester, 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).
Chichester, United Kingdom
Weather forecast for your location
2. Allow the app to use your location
