Stevenage
September
Weather in Stevenage for September 2025
Your guide to Stevenage weather in September - trends and predictions
In general, the average temperature in Stevenage at the beginning of September is 23.7 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.7 °C by the end of September.
Stevenage in September brings notable rainfall, with an average of 18 rainy days and a total precipitation of 76.2 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
12
Dry days
18
Rainy days
0
Snow days
20°/12°
Temperatures
21 km/h
Avg max wind
73 %
Avg humidity
Stevenage in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2 23° | 3  22° | 4  22° | 5  23° | 6 27° | 7 26° |
| 8  23° | 9 23° | 10 24° | 11 19° | 12 16° | 13 17° | 14 19° |
| 15 22° | 16 22° | 17  20° | 18  22° | 19  20° | 20  20° | 21 20° |
| 22 18° | 23 17° | 24 18° | 25 18° | 26  19° | 27 16° | 28 15° |
| 29 15° | 30 16° |
You can click on date
Access Stevenage weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Stevenage
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. | Mist | 23° /13° | 3.1 mm | 6 | |
| 2 Sept. | Mist | 23° /15° | 0.7 mm | 5 | |
| 3 Sept. | Overcast | 22° /13° | 0.7 mm | 5 | |
| 4 Sept. | Sunny | 22° /13° | 3.3 mm | 6 | |
| 5 Sept. | Cloudy | 23° /13° | 3.5 mm | 5 | |
| 6 Sept. | Cloudy | 27° /16° | 0.9 mm | 6 | |
| 7 Sept. | Sunny | 26° /16° | 3 mm | 7 | |
| 8 Sept. | Partly cloudy | 23° /16° | 8.2 mm | 6 | |
| 9 Sept. | Sunny | 23° /14° | 0 mm | 6 | |
| 10 Sept. | Partly cloudy | 24° /14° | 1.5 mm | 6 | |
| 11 Sept. | Cloudy | 19° /11° | 0.7 mm | 4 | |
| 12 Sept. | Mist | 16° /10° | 0.5 mm | 4 | |
| 13 Sept. | Overcast | 17° /9° | 0 mm | 4 | |
| 14 Sept. | Partly cloudy | 19° /10° | 0 mm | 6 | |
| 15 Sept. | Partly cloudy | 22° /11° | 0 mm | 5 | |
| 16 Sept. | Partly cloudy | 22° /11° | 0 mm | 6 | |
| 17 Sept. | Moderate rain | 20° /12° | 2.5 mm | 5 | |
| 18 Sept. | Light rain shower | 22° /11° | 2.8 mm | 5 | |
| 19 Sept. | Light rain | 20° /12° | 1.2 mm | 5 | |
| 20 Sept. | Moderate or heavy rain shower | 20° /13° | 9.2 mm | 5 | |
| 21 Sept. | Patchy light drizzle | 20° /11° | 2.6 mm | 5 | |
| 22 Sept. | Light rain shower | 18° /12° | 9.3 mm | 4 | |
| 23 Sept. | Patchy rain possible | 17° /10° | 0.2 mm | 4 | |
| 24 Sept. | Overcast | 18° /11° | 1.8 mm | 4 | |
| 25 Sept. | Overcast | 18° /12° | 2.5 mm | 5 | |
| 26 Sept. | Thundery outbreaks possible | 19° /11° | 3.3 mm | 5 | |
| 27 Sept. | Patchy rain possible | 16° /9° | 3.7 mm | 4 | |
| 28 Sept. | Overcast | 15° /8° | 0.1 mm | 4 | |
| 29 Sept. | Patchy rain possible | 15° /9° | 1.7 mm | 4 | |
| 30 Sept. | Cloudy | 16° /9° | 9.4 mm | 4 | |
| Next | |||||
Important Notice
Our weather forecast for Stevenage 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 Stevenage forecast closer to your planned date for the most up-to-date weather information.
Stevenage in September - FAQ
What are the expected maximum and minimum temperatures in Stevenage 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 Stevenage during September?
Moderate rainfall is anticipated in Stevenage during September, with a total of 76.2 mm spread over approximately 18 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Stevenage during September?
The average wind speed in Stevenage during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Stevenage
Explore the daily rainfall trends and prepare for Stevenages September weather 💧
UV exposure in Stevenage during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Quick links
You are here
Where is Stevenage?Get accurate weather forecasts for Stevenage, located at latitude 51.902 and longitude -0.203. Stay updated with localized weather information tailored for Stevenage.
Found a mistake?
We appreciate your attention to details. Tell us here.