September
Weather in Saint Peter Port for September 2025
Your guide to Saint Peter Port weather in September - trends and predictions
In general, the average temperature in Saint Peter Port at the beginning of September is 18.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 17.1 °C by the end of September.
Saint Peter Port in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 79 mm.
Temperatures
Rain 🌧️
13
Dry days
17
Rainy days
0
Snow days
18°/16°
Temperatures
34 km/h
Avg max wind
79 %
Avg humidity
Saint Peter Port in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  18° | 2  19° | 3  19° | 4 19° | 5 19° | 6 19° | 7 19° |
| 8 19° | 9 19° | 10 19° | 11 17° | 12  16° | 13  16° | 14 17° |
| 15 18° | 16 18° | 17 18° | 18 18° | 19 18° | 20 18° | 21 17° |
| 22  16° | 23 17° | 24 17° | 25 17° | 26 18° | 27 17° | 28 17° |
| 29 17° | 30 17° |
You can click on date
Access Saint Peter Port weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Saint Peter Port
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 18° /16° | 9.2 mm | 4 | |
| 2 Sept. | Partly cloudy | 19° /16° | 0.6 mm | 5 | |
| 3 Sept. | Sunny | 19° /16° | 0.3 mm | 5 | |
| 4 Sept. | Sunny | 19° /16° | 0.4 mm | 5 | |
| 5 Sept. | Sunny | 19° /16° | 0.9 mm | 5 | |
| 6 Sept. | Patchy rain possible | 19° /17° | 0.9 mm | 5 | |
| 7 Sept. | Patchy rain possible | 19° /17° | 7.3 mm | 5 | |
| 8 Sept. | Partly cloudy | 19° /16° | 5.1 mm | 5 | |
| 9 Sept. | Patchy rain possible | 19° /16° | 0.7 mm | 5 | |
| 10 Sept. | Patchy rain possible | 19° /16° | 2.7 mm | 5 | |
| 11 Sept. | Partly cloudy | 17° /15° | 1 mm | 5 | |
| 12 Sept. | Cloudy | 16° /15° | 1.2 mm | 4 | |
| 13 Sept. | Overcast | 16° /14° | 0.1 mm | 4 | |
| 14 Sept. | Partly cloudy | 17° /14° | 0 mm | 5 | |
| 15 Sept. | Sunny | 18° /16° | 0 mm | 6 | |
| 16 Sept. | Patchy rain possible | 18° /16° | 0.8 mm | 4 | |
| 17 Sept. | Light rain shower | 18° /16° | 3.1 mm | 4 | |
| 18 Sept. | Light rain shower | 18° /16° | 0.9 mm | 4 | |
| 19 Sept. | Patchy rain possible | 18° /16° | 0.6 mm | 5 | |
| 20 Sept. | Light rain shower | 18° /16° | 15.1 mm | 4 | |
| 21 Sept. | Light rain shower | 17° /15° | 5.1 mm | 4 | |
| 22 Sept. | Patchy light drizzle | 16° /15° | 1.7 mm | 4 | |
| 23 Sept. | Patchy rain possible | 17° /14° | 5.7 mm | 4 | |
| 24 Sept. | Sunny | 17° /15° | 1.2 mm | 5 | |
| 25 Sept. | Overcast | 17° /15° | 2 mm | 4 | |
| 26 Sept. | Patchy rain possible | 18° /14° | 4.3 mm | 4 | |
| 27 Sept. | Patchy rain possible | 17° /14° | 4.2 mm | 4 | |
| 28 Sept. | Patchy rain possible | 17° /13° | 0.6 mm | 4 | |
| 29 Sept. | Cloudy | 17° /14° | 1.9 mm | 4 | |
| 30 Sept. | Partly cloudy | 17° /14° | 1.5 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Saint Peter Port 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 Saint Peter Port forecast closer to your planned date for the most up-to-date weather information.
Saint Peter Port in September - FAQ
What are the expected maximum and minimum temperatures in Saint Peter Port during September?
During September, expect a variety of temperatures with highs around 18° and lows near 16°, suitable for diverse activities and preferences.
How much rainfall should be expected in Saint Peter Port during September?
Moderate rainfall is anticipated in Saint Peter Port during September, with a total of 79 mm spread over approximately 17 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Saint Peter Port during September?
The average wind speed in Saint Peter Port during September is 34 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Saint Peter Port
Explore the daily rainfall trends and prepare for Saint Peter Ports September weather 💧
Quick links
You are here
Where is Saint Peter Port?Get accurate weather forecasts for Saint Peter Port, located at latitude 49.46 and longitude -2.535. Stay updated with localized weather information tailored for Saint Peter Port.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.