City of Westminster
September
Weather in City of Westminster for September 2026
Your guide to City of Westminster weather in September - trends and predictions
Until now, September 2026 in City of Westminster is slightly cooler than the historical average by 0.9 °C.
Expect cooler weather in the next days in City of Westminster with the forecast suggesting a temperature of 21.1 °C, lower than the historical average.
In general, the average temperature in City of Westminster at the beginning of September is 22.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18 °C by the end of September.
City of Westminster in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 73.2 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
10
Dry days
20
Rainy days
0
Snow days
20°/13°
Temperatures
17 km/h
Avg max wind
68 %
Avg humidity
City of Westminster Weather September
Move between months or click on a day
Temperatures trend during September in City of Westminster
See the weather trend as well as the moving average line
September weather in City of Westminster day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 22° /14° | 3.3 mm | 5 | |
| 2 Sept. | Patchy rain possible | 22° /15° | 1.6 mm | 4 | |
| 3 Sept. |  Overcast | 23° /15° | 2.1 mm | 4 | |
| 4 Sept. |  Sunny | 21° /14° | 3.8 mm | 4 | |
| 5 Sept. |  Partly cloudy | 22° /14° | 2 mm | 5 | |
| 6 Sept. | Overcast | 25° /15° | 1.2 mm | 5 | |
| 7 Sept. | Patchy rain possible | 25° /16° | 2.2 mm | 5 | |
| 8 Sept. | Sunny | 22° /15° | 8.3 mm | 5 | |
| 9 Sept. | Overcast | 22° /14° | 0 mm | 5 | |
| 10 Sept. | Partly cloudy | 22° /14° | 1.4 mm | 4 | |
| 11 Sept. | Sunny | 23° /15° | 2 mm | 3.9 | |
| 12 Sept. | Overcast | 25° /14° | 0.3 mm | 4.3 | |
| 13 Sept. | Overcast | 24° /17° | 13.8 mm | 2.3 | |
| 14 Sept. | Overcast | 25° /16° | 0 mm | 4 | |
| 15 Sept. | Sunny | 25° /17° | 0.1 mm | 7 | |
| 16 Sept. | Patchy rain possible | 18° /13° | 0.1 mm | 4 | |
| 17 Sept. | Overcast | 16° /12° | 0.6 mm | 4 | |
| 18 Sept. | Overcast | 20° /12° | 0.4 mm | 5 | |
| 19 Sept. | Sunny | 20° /11° | 3.3 mm | 5 | |
| 20 Sept. | Sunny | 20° /12° | 1.8 mm | 5 | |
| 21 Sept. | Sunny | 18° /12° | 0 mm | 5 | |
| 22 Sept. | Sunny | 19° /10° | 0 mm | 5 | |
| 23 Sept. | Sunny | 24° /13° | 0 mm | 6 | |
| 24 Sept. | Patchy rain possible | 19° /13° | 0.6 mm | 5 | |
| 25 Sept. | Overcast | 19° /12° | 1.2 mm | 4 | |
| 26 Sept. |  Thundery outbreaks possible | 18° /12° | 4.6 mm | 4 | |
| 27 Sept. | Patchy rain possible | 17° /11° | 3.2 mm | 4 | |
| 28 Sept. |  Cloudy | 18° /10° | 0 mm | 4 | |
| 29 Sept. | Patchy rain possible | 17° /11° | 0.7 mm | 4 | |
| 30 Sept. | Cloudy | 18° /11° | 6.6 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for City of Westminster 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 City of Westminster forecast closer to your planned date for the most up-to-date weather information.
Change Month
City of Westminster in September - FAQ
What are the expected maximum and minimum temperatures in City of Westminster during September?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in City of Westminster during September?
Moderate rainfall is anticipated in City of Westminster during September, with a total of 73.2 mm spread over approximately 20 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in City of Westminster during September?
The average wind speed in City of Westminster during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in City of Westminster
Explore the daily rainfall trends and prepare for City of Westminsters September weather 💧
Typically, City of Westminster has 20 rainy days in September with a total of 73.2 mm of rainfall.
UV exposure in City of Westminster during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
More City of Westminster weather pages
You are here
Where is City of Westminster?Get accurate weather forecasts for City of Westminster, located at latitude 51.498 and longitude -0.136. Stay updated with localized weather information tailored for City of Westminster.
Found a mistake?
We appreciate your attention to details. Tell us here.