East Sussex Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in East Sussex, the United Kingdom in September.

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Brighton & Hove Eastbourne Hastings Rye

Planning a trip to East Sussex, the United Kingdom this September? Here's what you need to know about the weather:

What to Expect in East Sussex in September

East Sussex, the United Kingdom is a region in the United Kingdom. September in East Sussex generally has pleasant temperatures, with moderate precipitation. September falls during the summer season.

Temperatures

You can expect pleasant maximum daytime temperatures of around 19°C (66°F) and nighttime temperatures around 14°C (57°F) in Brighton & Hove.

To learn more about the conditions in specific areas of East Sussex, the United Kingdom, check out the map below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Turners Hill with an average of 56 mm (2.2 in) to moderate rainfall in Seaford with 74 mm (2.9 in).

Explore East Sussex by month

Pick a month to see the average temperature, rainfall and sunshine in East Sussex — and find the best time to visit. (based on Brighton & Hove)

January9°C (48°F) February9°C (48°F) March11°C (52°F) April12°C (54°F) May15°C (59°F) June18°C (64°F) This monthJuly20°C (68°F) August20°C (68°F) September19°C (66°F) October16°C (61°F) November13°C (55°F) December10°C (50°F)
Best Time to Visit East Sussex →

Best Places to Visit in East Sussex in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across East Sussex.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in East Sussex

What is the weather like in September for some of the most popular destinations in East Sussex, the United Kingdom?

Temperature range in East Sussex (September)

Precipitation variation in East Sussex (September)

Brighton & Hove

In September Brighton & Hove generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
20°C (68°F)
19°C (66°F)
16°C (61°F)
Min temperature
15°C (59°F)
14°C (57°F)
11°C (52°F)
Monthly rainfall
68 mm (2.7 in)
71 mm (2.8 in)
108 mm (4.3 in)
Monthly rainy days
12 days
12 days
14 days
Weather conditions
perfect
pleasant
unpleasant
Climate in Brighton & Hove →

Eastbourne

In September Eastbourne generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
20°C (68°F)
19°C (66°F)
16°C (61°F)
Min temperature
16°C (61°F)
15°C (59°F)
12°C (54°F)
Monthly rainfall
66 mm (2.6 in)
74 mm (2.9 in)
117 mm (4.6 in)
Monthly rainy days
12 days
12 days
14 days
Weather conditions
perfect
pleasant
unpleasant
Climate in Eastbourne →

Hastings

In September Hastings generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
21°C (70°F)
19°C (66°F)
16°C (61°F)
Min temperature
15°C (59°F)
14°C (57°F)
11°C (52°F)
Monthly sun hours
196 hours
152 hours
115 hours
Monthly rainfall
65 mm (2.6 in)
66 mm (2.6 in)
100 mm (3.9 in)
Monthly rainy days
12 days
12 days
14 days
Weather conditions
perfect
pleasant
unpleasant
Climate in Hastings →

Rye

In September Rye generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
22°C (72°F)
20°C (68°F)
16°C (61°F)
Min temperature
15°C (59°F)
13°C (55°F)
10°C (50°F)
Monthly sun hours
196 hours
152 hours
115 hours
Monthly rainfall
61 mm (2.4 in)
58 mm (2.3 in)
80 mm (3.1 in)
Monthly rainy days
11 days
12 days
14 days
Weather conditions
perfect
perfect
tolerable
Climate in Rye →

Crawley

In September Crawley generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 11°C (52°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
22°C (72°F)
20°C (68°F)
16°C (61°F)
Min temperature
14°C (57°F)
11°C (52°F)
8°C (46°F)
Monthly rainfall
72 mm (2.8 in)
58 mm (2.3 in)
73 mm (2.9 in)
Monthly rainy days
12 days
12 days
14 days
Weather conditions
perfect
perfect
tolerable
Climate in Crawley →

Is your destination not in the list? Have a look at all destinations in East Sussex, in the United Kingdom.

Popular cities in September

Day & night temperatures, rainfall and average weather in East Sussex in September.

City Weather Day temp Night temp Rainfall
Brighton & Hove 19°C (66°F) 14°C (57°F) 71 mm (2.8 in)
Eastbourne 19°C (66°F) 15°C (59°F) 74 mm (2.9 in)
Hastings 19°C (66°F) 14°C (57°F) 66 mm (2.6 in)
Rye 20°C (68°F) 13°C (55°F) 58 mm (2.3 in)
Crawley 20°C (68°F) 11°C (52°F) 58 mm (2.3 in)
Westfield 20°C (68°F) 13°C (55°F) 63 mm (2.5 in)

East Sussex weather in September: frequently asked questions

What is the weather like in East Sussex, the United Kingdom in September?

Expect pleasant weather across East Sussex, the United Kingdom in September. The popular destination of Brighton & Hove averages 19°C (66°F) by day and 14°C (57°F) at night during this summer month.

What is the average temperature in East Sussex, the United Kingdom in September?

Brighton & Hove averages a daytime maximum of 19°C (66°F) in September, with overnight lows close to 14°C (57°F).

Does East Sussex, the United Kingdom get a lot of rain in September?

Rain is generally moderate to light in East Sussex, the United Kingdom during September, with Brighton & Hove averaging close to 71 mm (2.8 in).

Is September a Good Time to Visit East Sussex, the United Kingdom?

In our opinion, September is a good time to visit East Sussex, the United Kingdom with overall pleasant weather in Brighton & Hove. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in July and August offering mostly perfect weather in Brighton & Hove. On the other hand, the months of January, February, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in East Sussex.

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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