Farnborough
September
Weather in Farnborough for September 2025
Your guide to Farnborough weather in September - trends and predictions
In general, the average temperature in Farnborough at the beginning of September is 22.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 16.6 °C by the end of September.
Farnborough sees moderate rainfall in September, averaging 8 rainy days.
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22
Dry days
8
Rainy days
0
Snow days
22°/13°
Temperatures
20 km/h
Avg max wind
74 %
Avg humidity
Farnborough in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  22° | 3 22° | 4  22° | 5 22° | 6 24° | 7  25° |
| 8  23° | 9 24° | 10 23° | 11 19° | 12 17° | 13  16° | 14 19° |
| 15 21° | 16 22° | 17 21° | 18  21° | 19  20° | 20 20° | 21 20° |
| 22 18° | 23 17° | 24 17° | 25 18° | 26  18° | 27 15° | 28 16° |
| 29 15° | 30 17° |
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Temperatures trend during September in Farnborough
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. | Patchy rain possible | 23° /14° | 12 mm | 5 | |
| 2 Sept. | Mist | 22° /14° | 0.3 mm | 5 | |
| 3 Sept. | Mist | 22° /12° | 0.6 mm | 5 | |
| 4 Sept. | Sunny | 22° /12° | 2.7 mm | 6 | |
| 5 Sept. | Sunny | 22° /13° | 11.3 mm | 6 | |
| 6 Sept. | Sunny | 24° /14° | 4.6 mm | 6 | |
| 7 Sept. | Cloudy | 25° /15° | 0.3 mm | 6 | |
| 8 Sept. | Partly cloudy | 23° /15° | 11.8 mm | 6 | |
| 9 Sept. | Sunny | 24° /14° | 0 mm | 6 | |
| 10 Sept. | Partly cloudy | 23° /12° | 1.9 mm | 6 | |
| 11 Sept. | Mist | 19° /10° | 0.2 mm | 4 | |
| 12 Sept. | Mist | 17° /9° | 0.9 mm | 4 | |
| 13 Sept. | Overcast | 16° /8° | 0 mm | 4 | |
| 14 Sept. | Overcast | 19° /8° | 0 mm | 5 | |
| 15 Sept. | Sunny | 21° /10° | 0 mm | 6 | |
| 16 Sept. | Partly cloudy | 22° /11° | 0 mm | 6 | |
| 17 Sept. | Light rain shower | 21° /11° | 2.4 mm | 5 | |
| 18 Sept. | Patchy light rain with thunder | 21° /11° | 3.2 mm | 5 | |
| 19 Sept. | Light drizzle | 20° /12° | 0.5 mm | 5 | |
| 20 Sept. | Light rain shower | 20° /12° | 7 mm | 5 | |
| 21 Sept. | Patchy light drizzle | 20° /11° | 1.9 mm | 5 | |
| 22 Sept. | Light rain shower | 18° /11° | 3.6 mm | 4 | |
| 23 Sept. | Partly cloudy | 17° /9° | 0.2 mm | 5 | |
| 24 Sept. | Patchy rain possible | 17° /11° | 1 mm | 4 | |
| 25 Sept. | Mist | 18° /11° | 1.3 mm | 5 | |
| 26 Sept. | Thundery outbreaks possible | 18° /11° | 11.4 mm | 4 | |
| 27 Sept. | Fog | 15° /9° | 2.9 mm | 4 | |
| 28 Sept. | Overcast | 16° /7° | 0.1 mm | 4 | |
| 29 Sept. | Overcast | 15° /8° | 1 mm | 4 | |
| 30 Sept. | Partly cloudy | 17° /9° | 8.6 mm | 5 | |
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Important Notice
Our weather forecast for Farnborough 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 Farnborough forecast closer to your planned date for the most up-to-date weather information.
Farnborough in September - FAQ
What are the expected maximum and minimum temperatures in Farnborough during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Farnborough during September?
In September, Farnborough can expect light to moderate rainfall, totaling 31.4 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Farnborough during September?
The average wind speed in Farnborough during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
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