Brighton
September
Weather in Brighton for September 2027
Your guide to Brighton weather in September - trends and predictions
In general, the average temperature in Brighton at the beginning of September is 19.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 16.7 °C by the end of September.
The climate of Brighton in September is notably wet, with an average of 11 rainy days, and a total of 80.1 mm of precipitation.
Is September a good time to visit Brighton? check out the best time to travel to Brighton page.
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Temperatures
Rain 🌧️
More
19
Dry days
11
Rainy days
0
Snow days
18°/14°
Temperatures
29 km/h
Avg max wind
76 %
Avg humidity
Brighton Weather September
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Temperatures trend during September in Brighton
See the weather trend as well as the moving average line
September weather in Brighton day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain | 20° /16° | 6.5 mm | 4 | |
| 2 Sept. |  Patchy rain possible | 19° /16° | 2.4 mm | 4 | |
| 3 Sept. | Patchy rain possible | 20° /16° | 2.1 mm | 4 | |
| 4 Sept. | Light rain | 19° /15° | 2.9 mm | 4 | |
| 5 Sept. | Light rain | 19° /15° | 6.6 mm | 5 | |
| 6 Sept. | Light rain | 20° /17° | 3.3 mm | 4 | |
| 7 Sept. |  Sunny | 21° /17° | 0.7 mm | 4 | |
| 8 Sept. | Light rain | 19° /16° | 6.5 mm | 4 | |
| 9 Sept. | Sunny | 19° /15° | 0 mm | 5 | |
| 10 Sept. | Light rain shower | 19° /15° | 2.1 mm | 4 | |
| 11 Sept. | Patchy rain possible | 18° /15° | 1.8 mm | 4 | |
| 12 Sept. | Patchy rain possible | 17° /13° | 1.8 mm | 4 | |
| 13 Sept. | Light rain | 17° /14° | 3.5 mm | 4 | |
| 14 Sept. |  Partly cloudy | 18° /14° | 0.7 mm | 4 | |
| 15 Sept. | Sunny | 18° /15° | 0.6 mm | 4.6 | |
| 16 Sept. | Patchy rain possible | 19° /13° | 0.2 mm | 4 | |
| 17 Sept. | Light rain | 18° /15° | 1.2 mm | 4 | |
| 18 Sept. | Light rain | 19° /15° | 4.3 mm | 4 | |
| 19 Sept. | Patchy rain possible | 19° /16° | 1.3 mm | 4 | |
| 20 Sept. | Light rain | 19° /15° | 8.1 mm | 4 | |
| 21 Sept. | Light rain | 17° /13° | 3.3 mm | 4 | |
| 22 Sept. |  Patchy light rain with thunder | 17° /13° | 1.3 mm | 4 | |
| 23 Sept. | Patchy rain possible | 17° /13° | 0.3 mm | 3.9 | |
| 24 Sept. | Patchy rain possible | 17° /13° | 0.7 mm | 3 | |
| 25 Sept. | Light rain | 17° /14° | 3 mm | 3.7 | |
| 26 Sept. | Light rain | 16° /13° | 4.5 mm | 3 | |
| 27 Sept. | Light rain | 16° /13° | 5 mm | 3 | |
| 28 Sept. | Patchy rain possible | 16° /12° | 0.1 mm | 3 | |
| 29 Sept. | Patchy rain possible | 17° /13° | 1.2 mm | 3 | |
| 30 Sept. | Light rain | 17° /14° | 4.2 mm | 3 | |
| Next | |||||
Important Notice
Our weather forecast for Brighton 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 Brighton forecast closer to your planned date for the most up-to-date weather information.
Change Month
Brighton in September - FAQ
What are the expected maximum and minimum temperatures in Brighton 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 Brighton during September?
Moderate rainfall is anticipated in Brighton during September, with a total of 80.1 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Brighton during September?
The average wind speed in Brighton during September is 29 km/h, suggesting breezy to windy conditions, depending on your activities.
Brighton water temperatures in September
The average water temperature of the Atlantic Ocean near Brighton in September is 14.6 °C. At the beginning of September temperatures are around 15.1 °C; by the end of the month they get cooler and reach 14.1 °C.
- What is the water temperature in Brighton in September?
- The average water temperature in Brighton in September is 14.6 °C.
- Can you swim in Brighton in September?
- Cold enough that you lose heat fast. A full 4–5 mm wetsuit (plus hood/gloves for comfort) is advisable for anything beyond a brief plunge.
September rainfall patterns in Brighton
Explore the daily rainfall trends and prepare for Brightons September weather 💧
Typically, Brighton has 11 rainy days in September with a total of 80.1 mm of rainfall.
UV exposure in Brighton during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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