Hampshire Weather in September

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

Are you planning a trip a to Hampshire, the United Kingdom in September and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Hampshire in September

Hampshire, the United Kingdom is a region in the United Kingdom. September in Hampshire generally has pleasant temperatures, with moderate precipitation.

Temperatures

You can expect pleasant maximum daytime temperatures of around 20°C (68°F) and nighttime temperatures around 12°C (54°F) in Southampton.

For specific regional insights in Hampshire, the United Kingdom, refer to the map provided below.

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Farnborough with an average of 57 mm (2.2 in) to moderate rainfall in New Milton with 77 mm (3 in).

Average sunshine

Sunshine amounts are decent in most places. Southampton gets approximately 149 hours of sunlight in September, offering a reasonable amount of both bright and cloudy periods. Curious about sunnier destinations? Our weather planner makes it easy to find places worldwide with pleasant weather.

Explore Hampshire by month

Pick a month to see the average temperature, rainfall and sunshine in Hampshire - and find the best time to visit. (based on Southampton)

Best Places to Visit in Hampshire in September

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

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 Hampshire

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

Temperature range in Hampshire (September)

Precipitation variation in Hampshire (September)

Southampton

In September Southampton generally has pleasant temperatures with maximum daytime temperatures around 20°C (68°F), minimum nighttime temperatures around 12°C (54°F) and moderate monthly rainfall. So on average the conditions are excellent that month.

August
September
October
Max temperature
22°C (72°F)
20°C (68°F)
16°C (61°F)
Min temperature
14°C (57°F)
12°C (54°F)
9°C (48°F)
Monthly sun hours
208 hours
149 hours
113 hours
Monthly rainfall
72 mm (2.8 in)
64 mm (2.5 in)
87 mm (3.4 in)
Monthly rainy days
12 days
12 days
14 days
Weather conditions

Portsmouth

In September Portsmouth generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are very good that month.

August
September
October
Max temperature
21°C (70°F)
19°C (66°F)
16°C (61°F)
Min temperature
15°C (59°F)
13°C (55°F)
10°C (50°F)
Monthly sun hours
208 hours
149 hours
113 hours
Monthly rainfall
68 mm (2.7 in)
65 mm (2.6 in)
92 mm (3.6 in)
Monthly rainy days
11 days
11 days
14 days
Weather conditions

Lymington

In September Lymington generally has pleasant temperatures with maximum daytime temperatures around 19°C (66°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are very good that month.

August
September
October
Max temperature
21°C (70°F)
19°C (66°F)
16°C (61°F)
Min temperature
15°C (59°F)
13°C (55°F)
11°C (52°F)
Monthly sun hours
208 hours
149 hours
113 hours
Monthly rainfall
76 mm (3 in)
75 mm (3 in)
109 mm (4.3 in)
Monthly rainy days
11 days
12 days
15 days
Weather conditions

Winchester

In September Winchester 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 excellent that month.

August
September
October
Max temperature
22°C (72°F)
20°C (68°F)
16°C (61°F)
Min temperature
13°C (55°F)
11°C (52°F)
8°C (46°F)
Monthly sun hours
208 hours
149 hours
113 hours
Monthly rainfall
72 mm (2.8 in)
61 mm (2.4 in)
79 mm (3.1 in)
Monthly rainy days
12 days
12 days
15 days
Weather conditions

Basingstoke

In September Basingstoke 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 excellent that month.

August
September
October
Max temperature
22°C (72°F)
20°C (68°F)
16°C (61°F)
Min temperature
13°C (55°F)
11°C (52°F)
8°C (46°F)
Monthly sun hours
208 hours
149 hours
113 hours
Monthly rainfall
70 mm (2.8 in)
59 mm (2.3 in)
72 mm (2.8 in)
Monthly rainy days
13 days
12 days
15 days
Weather conditions

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Southampton 20°C (68°F) 12°C (54°F) 64 mm (2.5 in)
Portsmouth 19°C (66°F) 13°C (55°F) 65 mm (2.6 in)
Lymington 19°C (66°F) 13°C (55°F) 75 mm (3 in)
Winchester 20°C (68°F) 11°C (52°F) 61 mm (2.4 in)
Basingstoke 20°C (68°F) 11°C (52°F) 59 mm (2.3 in)
Lyndhurst 19°C (66°F) 12°C (54°F) 68 mm (2.7 in)

Hampshire weather in September: frequently asked questions

What is the weather like in Hampshire, the United Kingdom in September?

Expect excellent weather across Hampshire, the United Kingdom in September. The popular destination of Southampton averages 20°C (68°F) by day and 12°C (54°F) at night during this month.

What is the average temperature in Hampshire, the United Kingdom in September?

Daytime temperatures in Southampton peak at roughly 20°C (68°F) in September, dropping to about 12°C (54°F) overnight.

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

Not particularly. Southampton averages just 64 mm (2.5 in) of rain in September, making it a mostly dry month for Hampshire, the United Kingdom.

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

We believe that September is one of the best times to visit Hampshire, the United Kingdom with overall excellent weather in Southampton. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Hampshire, the United Kingdom is in June, July, August and September with generally excellent weather in Southampton. In contrast, January, February and December tend to have less favorable weather conditions.

Interested in more climate information?

We have much more information about the climate in Hampshire.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.