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Weather in Luton for September 2026

Your guide to Luton weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Luton is slightly cooler than the historical average by 1.4 °C.

  • Expect cooler weather in the next days in Luton with the forecast suggesting a temperature of 19.2 °C, lower than the historical average.

  • In general, the average temperature in Luton at the beginning of September is 21.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °C by the end of September.

    • Rain 🌧️

  • Luton experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 64.3 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
9
Dry days
Average rainy days
21
Rainy days
Average snowy days
0
Snow days
Average temperatures
19°/11°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
73 %
Avg humidity

Luton Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain shower
21°
2
Mist
20°
3
Overcast
22°
4
Sunny
20°
5
Partly cloudy
21°
6
Overcast
25°
7
Sunny
24°
8
Light rain shower
21°
9
Overcast
21°
10
Light rain shower
21°
11
Cloudy
18°
12
Overcast
22°
13
Patchy rain possible
20°
14
Sunny
23°
15
Sunny
24°
16
Sunny
17°
17
Overcast
15°
18
Overcast
18°
19
Patchy rain possible
17°
20
Cloudy
16°
21
Light rain shower
16°
22
Overcast
18°
23
Sunny
21°
24
Overcast
23°
25
Overcast
17°
26
Thundery outbreaks possible
17°
27
Fog
16°
28
Overcast
16°
29
Cloudy
16°
30
Overcast
17°

Temperatures trend during September in Luton

See the weather trend as well as the moving average line

September weather in Luton day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
 21° /12° 2.2 mm 5
2 Sept. Mist
Mist
 20° /13° 1.7 mm 4
3 Sept. Overcast
Overcast
 22° /14° 2.5 mm 4
4 Sept. Sunny
Sunny
 20° /13° 4.3 mm 4
5 Sept. Partly cloudy
Partly cloudy
 21° /12° 2 mm 5
6 Sept. Overcast
Overcast
 25° /15° 0.4 mm 5
7 Sept. Sunny
Sunny
 24° /15° 1.5 mm 5
8 Sept. Light rain shower
Light rain shower
 21° /14° 6.9 mm 5
9 Sept. Overcast
Overcast
 21° /12° 0 mm 5
10 Sept. Light rain shower
Light rain shower
 21° /12° 1.9 mm 4
11 Sept. Cloudy
Cloudy
 18° /10° 0.9 mm 4
12 Sept. Overcast
Overcast
 22° /12° 8.6 mm 4.2
13 Sept. Patchy rain possible
Patchy rain possible
 20° /16° 2.4 mm 3.3
14 Sept. Sunny
Sunny
 23° /15° 0 mm 3.5
15 Sept. Sunny
Sunny
 24° /12° 0.2 mm 5
16 Sept. Sunny
Sunny
 17° /10° 0 mm 5
17 Sept. Overcast
Overcast
 15° /9° 0 mm 4
18 Sept. Overcast
Overcast
 18° /10° 0 mm 4
19 Sept. Patchy rain possible
Patchy rain possible
 17° /12° 5.5 mm 5
20 Sept. Cloudy
Cloudy
 16° /10° 1.6 mm 4
21 Sept. Light rain shower
Light rain shower
 16° /11° 9.1 mm 5
22 Sept. Overcast
Overcast
 18° /11° 0 mm 5
23 Sept. Sunny
Sunny
 21° /14° 0.1 mm 6
24 Sept. Overcast
Overcast
 23° /15° 0 mm 6
25 Sept. Overcast
Overcast
 17° /10° 2.2 mm 4
26 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 17° /10° 2 mm 4
27 Sept. Fog
Fog
 16° /9° 2.5 mm 4
28 Sept. Overcast
Overcast
 16° /8° 0.1 mm 4
29 Sept. Cloudy
Cloudy
 16° /8° 1.5 mm 4
30 Sept. Overcast
Overcast
 17° /10° 5.8 mm 4
Next
Important Notice
Our weather forecast for Luton 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 Luton forecast closer to your planned date for the most up-to-date weather information.
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Luton in September - FAQ

What are the expected maximum and minimum temperatures in Luton during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Luton during September?
Moderate rainfall is anticipated in Luton during September, with a total of 64.3 mm spread over approximately 21 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Luton during September?
The average wind speed in Luton during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Luton

Explore the daily rainfall trends and prepare for Lutons September weather 💧
Typically, Luton has 21 rainy days in September with a total of 64.3 mm of rainfall.

UV exposure in Luton during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Get accurate weather forecasts for Luton, located at latitude 51.88 and longitude -0.417. Stay updated with localized weather information tailored for Luton.

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