Suffolk
September
Weather in Suffolk for September 2025
Your guide to Suffolk weather in September - trends and predictions
In general, the average temperature in Suffolk at the beginning of September is 22.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.1 °C by the end of September.
Suffolk sees moderate rainfall in September, averaging 10 rainy days.
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20
Dry days
10
Rainy days
0
Snow days
21°/14°
Temperatures
21 km/h
Avg max wind
71 %
Avg humidity
Suffolk in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  22° | 2  23° | 3 22° | 4  21° | 5  22° | 6 25° | 7 24° |
| 8 23° | 9 23° | 10 22° | 11  20° | 12 17° | 13 17° | 14 19° |
| 15 20° | 16 21° | 17 20° | 18  21° | 19  20° | 20 20° | 21 19° |
| 22 18° | 23 18° | 24 17° | 25 19° | 26 20° | 27 16° | 28 16° |
| 29 16° | 30 16° |
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Temperatures trend during September in Suffolk
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Overcast | 22° /14° | 1.7 mm | 5 | |
| 2 Sept. | Mist | 23° /15° | 0.3 mm | 5 | |
| 3 Sept. | Overcast | 22° /14° | 1.2 mm | 5 | |
| 4 Sept. | Sunny | 21° /14° | 1.4 mm | 5 | |
| 5 Sept. | Partly cloudy | 22° /15° | 1.3 mm | 6 | |
| 6 Sept. | Sunny | 25° /18° | 1.5 mm | 6 | |
| 7 Sept. | Partly cloudy | 24° /16° | 3.4 mm | 7 | |
| 8 Sept. | Overcast | 23° /16° | 3.4 mm | 5 | |
| 9 Sept. | Sunny | 23° /16° | 0.3 mm | 6 | |
| 10 Sept. | Partly cloudy | 22° /15° | 1 mm | 6 | |
| 11 Sept. | Cloudy | 20° /12° | 0.4 mm | 5 | |
| 12 Sept. | Overcast | 17° /10° | 0.9 mm | 4 | |
| 13 Sept. | Overcast | 17° /11° | 0 mm | 5 | |
| 14 Sept. | Partly cloudy | 19° /11° | 0 mm | 6 | |
| 15 Sept. | Sunny | 20° /12° | 0 mm | 6 | |
| 16 Sept. | Partly cloudy | 21° /13° | 0 mm | 5 | |
| 17 Sept. | Overcast | 20° /13° | 0.2 mm | 5 | |
| 18 Sept. | Light rain shower | 21° /13° | 3.2 mm | 5 | |
| 19 Sept. | Light rain | 20° /13° | 1.7 mm | 5 | |
| 20 Sept. | Light rain | 20° /15° | 12.5 mm | 5 | |
| 21 Sept. | Light rain shower | 19° /13° | 3.9 mm | 5 | |
| 22 Sept. | Light rain shower | 18° /13° | 12.4 mm | 4 | |
| 23 Sept. | Patchy rain possible | 18° /11° | 4 mm | 4 | |
| 24 Sept. | Overcast | 17° /11° | 0.4 mm | 4 | |
| 25 Sept. | Patchy rain possible | 19° /13° | 1.7 mm | 5 | |
| 26 Sept. | Light rain shower | 20° /12° | 8.4 mm | 5 | |
| 27 Sept. | Patchy light rain | 16° /10° | 2.8 mm | 4 | |
| 28 Sept. | Partly cloudy | 16° /9° | 0 mm | 5 | |
| 29 Sept. | Light rain shower | 16° /10° | 0.6 mm | 4 | |
| 30 Sept. | Cloudy | 16° /11° | 13.4 mm | 4 | |
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Important Notice
Our weather forecast for Suffolk 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 Suffolk forecast closer to your planned date for the most up-to-date weather information.
Suffolk in September - FAQ
What are the expected maximum and minimum temperatures in Suffolk during September?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 14°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Suffolk during September?
In September, Suffolk can expect light to moderate rainfall, totaling 49 mm across approximately 10 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Suffolk during September?
The average wind speed in Suffolk during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
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