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Weather in Littlehampton for September 2025

Your guide to Littlehampton weather in September - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Wind Warning - See hour by hour.

    • Temperatures

  • Until now, September 2025 in Littlehampton is slightly cooler than the historical average by -1.6 °C.

  • Expect cooler weather in the next days in Littlehampton with the forecast suggesting a temperature of 16.1 °C, lower than the historical average.

  • In general, the average temperature in Littlehampton at the beginning of September is 20.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15 °C by the end of September.

    • Rain 🌧️

  • Littlehampton in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 101.4 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
18°/14°
Temperatures
Average wind speed
27 km/h
Avg max wind
Average humidity
77 %
Avg humidity

Littlehampton Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Light rain
20°
2
Light rain shower
19°
3
Light rain shower
20°
4
Sunny
20°
5
Sunny
20°
6
Sunny
21°
7
Light rain shower
22°
8
Partly cloudy
20°
9
Sunny
20°
10
Partly cloudy
20°
11
Sunny
18°
12
Light rain shower
17°
13
Overcast
17°
14
Partly cloudy
17°
15
Weather Alert Patchy rain possible
17°
16
Patchy rain possible
17°
17
Patchy rain possible
18°
18
Patchy rain possible
19°
19
Partly cloudy
20°
20
Patchy rain possible
19°
21
Patchy rain possible
13°
22
Patchy rain possible
15°
23
Patchy rain possible
16°
24
Moderate rain
14°
25
Patchy rain possible
13°
26
Patchy rain possible
15°
27
Partly cloudy
15°
28
Sunny
15°
29
Light rain shower
16°
30
Partly cloudy
17°

Temperatures trend during September in Littlehampton

See the weather trend as well as the moving average line

September weather in Littlehampton day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain
Light rain
 20° /16° 6.4 mm 4
2 Sept. Light rain shower
Light rain shower
 19° /15° 3 mm 4
3 Sept. Light rain shower
Light rain shower
 20° /15° 2.6 mm 5
4 Sept. Sunny
Sunny
 20° /14° 3.3 mm 5
5 Sept. Sunny
Sunny
 20° /14° 8.5 mm 5
6 Sept. Sunny
Sunny
 21° /16° 4.4 mm 5
7 Sept. Light rain shower
Light rain shower
 22° /16° 0.5 mm 5
8 Sept. Partly cloudy
Partly cloudy
 20° /16° 2.9 mm 5
9 Sept. Sunny
Sunny
 20° /15° 0.1 mm 5
10 Sept. Partly cloudy
Partly cloudy
 20° /15° 3 mm 5
11 Sept. Sunny
Sunny
 18° /13° 1.4 mm 4
12 Sept. Light rain shower
Light rain shower
 17° /12° 2.4 mm 4
13 Sept. Overcast
Overcast
 17° /11° 3.5 mm 4
14 Sept. Partly cloudy
Partly cloudy
 17° /12° 0 mm 5
15 Sept. Patchy rain possible
Patchy rain possible
 17° /14° 1.2 mm 1
16 Sept. Patchy rain possible
Patchy rain possible
 17° /13° 0.5 mm 0.7
17 Sept. Patchy rain possible
Patchy rain possible
 18° /13° 2.6 mm 0.4
18 Sept. Patchy rain possible
Patchy rain possible
 19° /17° 0.3 mm 0.8
19 Sept. Partly cloudy
Partly cloudy
 20° /17° 0 mm 0.9
20 Sept. Patchy rain possible
Patchy rain possible
 19° /16° 1.6 mm 4
21 Sept. Patchy rain possible
Patchy rain possible
 13° /11° 0.3 mm 3
22 Sept. Patchy rain possible
Patchy rain possible
 15° /9° 0.3 mm 3
23 Sept. Patchy rain possible
Patchy rain possible
 16° /12° 0.7 mm 3
24 Sept. Moderate rain
Moderate rain
 14° /13° 11.6 mm 3
25 Sept. Patchy rain possible
Patchy rain possible
 13° /12° 1.3 mm 3
26 Sept. Patchy rain possible
Patchy rain possible
 15° /12° 0.8 mm 3
27 Sept. Partly cloudy
Partly cloudy
 15° /11° 0 mm 4
28 Sept. Sunny
Sunny
 15° /9° 0 mm 4
29 Sept. Light rain shower
Light rain shower
 16° /12° 2.4 mm 4
30 Sept. Partly cloudy
Partly cloudy
 17° /12° 6.5 mm 5
Next
Important Notice
Our weather forecast for Littlehampton in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Littlehampton forecast closer to your planned date for the most up-to-date weather information.
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Littlehampton in September - FAQ

What are the expected maximum and minimum temperatures in Littlehampton during September?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Littlehampton during September?
Significant rainfall exceeding 101.4 mm is expected in Littlehampton during September, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Littlehampton during September?
The average wind speed in Littlehampton during September is 27 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Littlehampton

Explore the daily rainfall trends and prepare for Littlehamptons September weather 💧

UV exposure in Littlehampton during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Littlehampton?

Get accurate weather forecasts for Littlehampton, located at latitude 50.811 and longitude -0.541. Stay updated with localized weather information tailored for Littlehampton.

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