Littlehampton
September
Weather in Littlehampton for September 2026
Your guide to Littlehampton weather in September - trends and predictions
Until now, September 2026 in Littlehampton is slightly cooler than the historical average by 1 °C.
The forecast for the next days in Littlehampton predicts temperatures to be around 19 °C, close to the historical average.
In general, the average temperature in Littlehampton at the beginning of September is 20 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 17.1 °C by the end of September.
Littlehampton experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 86 mm.
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Temperatures
Rain 🌧️
More
7
Dry days
23
Rainy days
0
Snow days
18°/14°
Temperatures
29 km/h
Avg max wind
75 %
Avg humidity
Littlehampton Weather September
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Temperatures trend during September in Littlehampton
See the weather trend as well as the moving average line
September weather in Littlehampton day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 20° /15° | 4.8 mm | 4 | |
| 2 Sept. |  Patchy rain possible | 19° /15° | 2.4 mm | 4 | |
| 3 Sept. | Light rain shower | 20° /16° | 2.1 mm | 4 | |
| 4 Sept. | Patchy rain possible | 20° /14° | 2.7 mm | 4 | |
| 5 Sept. |  Sunny | 19° /14° | 6.4 mm | 5 | |
| 6 Sept. |  Overcast | 21° /16° | 3.3 mm | 4 | |
| 7 Sept. | Light rain shower | 21° /16° | 0.5 mm | 4 | |
| 8 Sept. | Light rain shower | 19° /15° | 6.8 mm | 4 | |
| 9 Sept. | Sunny | 19° /14° | 0.1 mm | 5 | |
| 10 Sept. |  Partly cloudy | 20° /14° | 2.3 mm | 4 | |
| 11 Sept. | Sunny | 18° /13° | 1.1 mm | 4 | |
| 12 Sept. | Sunny | 19° /16° | 0 mm | 4.3 | |
| 13 Sept. | Patchy rain possible | 21° /18° | 3.9 mm | 3.2 | |
| 14 Sept. | Sunny | 19° /17° | 0 mm | 4.1 | |
| 15 Sept. | Sunny | 21° /15° | 1.5 mm | 5 | |
| 16 Sept. | Sunny | 18° /13° | 0.1 mm | 5 | |
| 17 Sept. | Overcast | 18° /13° | 0.2 mm | 4 | |
| 18 Sept. | Patchy rain possible | 17° /15° | 0.6 mm | 4 | |
| 19 Sept. | Patchy rain possible | 18° /16° | 16.8 mm | 5 | |
| 20 Sept. | Sunny | 17° /14° | 1.8 mm | 5 | |
| 21 Sept. | Light rain shower | 18° /15° | 5.6 mm | 5 | |
| 22 Sept. |  Cloudy | 17° /15° | 0 mm | 4 | |
| 23 Sept. | Patchy rain possible | 19° /18° | 0.7 mm | 5 | |
| 24 Sept. | Overcast | 20° /18° | 0 mm | 5 | |
| 25 Sept. | Overcast | 19° /17° | 0 mm | 5 | |
| 26 Sept. |  Thundery outbreaks possible | 16° /12° | 6.2 mm | 4 | |
| 27 Sept. | Patchy rain possible | 16° /12° | 3.5 mm | 4 | |
| 28 Sept. | Patchy rain possible | 16° /11° | 0.1 mm | 4 | |
| 29 Sept. | Light rain shower | 16° /11° | 1.6 mm | 4 | |
| 30 Sept. | Partly cloudy | 17° /12° | 4.4 mm | 5 | |
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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.
Change Month
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?
Moderate rainfall is anticipated in Littlehampton during September, with a total of 86 mm spread over approximately 23 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Littlehampton during September?
The average wind speed in Littlehampton during September is 29 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 💧
Typically, Littlehampton has 23 rainy days in September with a total of 86 mm of rainfall.
UV exposure in Littlehampton during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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