Gloucester
September
Weather in Gloucester for September 2025
Your guide to Gloucester weather in September - trends and predictions
In general, the average temperature in Gloucester at the beginning of September is 22.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.7 °C by the end of September.
The climate of Gloucester in September is notably wet, with an average of 15 rainy days.
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15
Dry days
15
Rainy days
0
Snow days
20°/12°
Temperatures
20 km/h
Avg max wind
78 %
Avg humidity
Gloucester in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  21° | 2  22° | 3  21° | 4  21° | 5 21° | 6  25° | 7 24° |
| 8 24° | 9 23° | 10 21° | 11 18° | 12  15° | 13 16° | 14 16° |
| 15 20° | 16 20° | 17  20° | 18 20° | 19  20° | 20  19° | 21 18° |
| 22 17° | 23 16° | 24 17° | 25 15° | 26 18° | 27 15° | 28 15° |
| 29 15° | 30 15° |
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Temperatures trend during September in Gloucester
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. | Light rain shower | 21° /12° | 3.4 mm | 5 | |
| 2 Sept. | Cloudy | 22° /13° | 0.2 mm | 5 | |
| 3 Sept. | Overcast | 21° /11° | 2.1 mm | 5 | |
| 4 Sept. | Sunny | 21° /12° | 0.1 mm | 6 | |
| 5 Sept. | Sunny | 21° /11° | 17.7 mm | 6 | |
| 6 Sept. | Partly cloudy | 25° /15° | 2.1 mm | 6 | |
| 7 Sept. | Partly cloudy | 24° /14° | 0.3 mm | 6 | |
| 8 Sept. | Partly cloudy | 24° /15° | 13.4 mm | 6 | |
| 9 Sept. | Patchy rain possible | 23° /13° | 0.5 mm | 6 | |
| 10 Sept. | Partly cloudy | 21° /11° | 1 mm | 6 | |
| 11 Sept. | Light rain shower | 18° /10° | 2.5 mm | 4 | |
| 12 Sept. | Mist | 15° /8° | 0.8 mm | 4 | |
| 13 Sept. | Mist | 16° /6° | 0 mm | 4 | |
| 14 Sept. | Overcast | 16° /9° | 0 mm | 5 | |
| 15 Sept. | Cloudy | 20° /9° | 0 mm | 5 | |
| 16 Sept. | Patchy rain possible | 20° /10° | 0.2 mm | 5 | |
| 17 Sept. | Moderate or heavy rain shower | 20° /10° | 4.2 mm | 5 | |
| 18 Sept. | Light rain shower | 20° /10° | 2.3 mm | 5 | |
| 19 Sept. | Light drizzle | 20° /10° | 0.6 mm | 5 | |
| 20 Sept. | Moderate rain | 19° /10° | 6.1 mm | 5 | |
| 21 Sept. | Light rain shower | 18° /9° | 6.3 mm | 5 | |
| 22 Sept. | Light rain shower | 17° /9° | 5.9 mm | 4 | |
| 23 Sept. | Partly cloudy | 16° /9° | 0.8 mm | 4 | |
| 24 Sept. | Light drizzle | 17° /11° | 0.9 mm | 4 | |
| 25 Sept. | Patchy rain possible | 15° /10° | 3 mm | 4 | |
| 26 Sept. | Light rain shower | 18° /9° | 3.8 mm | 4 | |
| 27 Sept. | Light rain shower | 15° /7° | 4.1 mm | 4 | |
| 28 Sept. | Patchy rain possible | 15° /8° | 0.9 mm | 4 | |
| 29 Sept. | Patchy rain possible | 15° /7° | 6.3 mm | 4 | |
| 30 Sept. | Patchy rain possible | 15° /9° | 3 mm | 4 | |
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Important Notice
Our weather forecast for Gloucester 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 Gloucester forecast closer to your planned date for the most up-to-date weather information.
Gloucester in September - FAQ
What are the expected maximum and minimum temperatures in Gloucester during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 12°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Gloucester during September?
In September, Gloucester can expect light to moderate rainfall, totaling 45.9 mm across approximately 15 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Gloucester during September?
The average wind speed in Gloucester during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
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