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Weather in Harlow for September 2026

Your guide to Harlow weather in September - trends and predictions

    Temperatures

  • Until now, September 2026 in Harlow is slightly cooler than the historical average by 0.9 °C.

  • Expect cooler weather in the next days in Harlow with the forecast suggesting a temperature of 20.2 °C, lower than the historical average.

  • In general, the average temperature in Harlow at the beginning of September is 22.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.1 °C by the end of September.

  • Rain 🌧️

  • Harlow in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 64.9 mm.

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Average dry days
11
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
20°/12°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Harlow Weather September

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Temperatures trend during September in Harlow

See the weather trend as well as the moving average line

September weather in Harlow day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Sept. Light rain shower
Light rain shower
22° /12° 2.7 mm 5
2 Sept. Patchy rain possible
Patchy rain possible
21° /13° 1.2 mm 4
3 Sept. Overcast
Overcast
23° /14° 2.4 mm 4
4 Sept. Sunny
Sunny
21° /13° 3.8 mm 4
5 Sept. Overcast
Overcast
22° /12° 1.4 mm 5
6 Sept. Overcast
Overcast
26° /15° 0.4 mm 5
7 Sept. Sunny
Sunny
25° /15° 1.7 mm 5
8 Sept. Partly cloudy
Partly cloudy
21° /14° 5.8 mm 5
9 Sept. Overcast
Overcast
22° /12° 0 mm 5
10 Sept. Partly cloudy
Partly cloudy
22° /12° 1.3 mm 4
11 Sept. Overcast
Overcast
20° /11° 1.1 mm 4
12 Sept. Overcast
Overcast
18° /10° 0.8 mm 3
13 Sept. Overcast
Overcast
18° /11° 1.8 mm 3
14 Sept. Patchy rain possible
Patchy rain possible
25° /16° 0.4 mm 3.8
15 Sept. Sunny
Sunny
22° /13° 1 mm 3.8
16 Sept. Sunny
Sunny
16° /10° 0 mm 2.6
17 Sept. Overcast
Overcast
18° /11° 0.8 mm 4
18 Sept. Sunny
Sunny
18° /9° 0 mm 4
19 Sept. Sunny
Sunny
20° /13° 0.1 mm 5
20 Sept. Sunny
Sunny
22° /11° 0 mm 6
21 Sept. Sunny
Sunny
23° /12° 0.1 mm 6
22 Sept. Overcast
Overcast
17° /8° 0 mm 5
23 Sept. Overcast
Overcast
18° /9° 0 mm 5
24 Sept. Sunny
Sunny
21° /8° 0 mm 6
25 Sept. Partly cloudy
Partly cloudy
20° /11° 0 mm 5
26 Sept. Sunny
Sunny
20° /11° 0 mm 6
27 Sept. Sunny
Sunny
23° /10° 0 mm 6
28 Sept. Cloudy
Cloudy
16° /8° 0 mm 4
29 Sept. Light rain shower
Light rain shower
17° /8° 0.9 mm 4
30 Sept. Partly cloudy
Partly cloudy
17° /10° 7.5 mm 5
Next
Important Notice
Our weather forecast for Harlow 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 Harlow forecast closer to your planned date for the most up-to-date weather information.

Harlow in September - FAQ

What are the expected maximum and minimum temperatures in Harlow 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 Harlow during September?

Moderate rainfall is anticipated in Harlow during September, with a total of 64.9 mm spread over approximately 19 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Harlow during September?

The average wind speed in Harlow during September is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Harlow

Explore the daily rainfall trends and prepare for Harlows September weather 💧
Typically, Harlow has 19 rainy days in September with a total of 64.9 mm of rainfall.

UV exposure in Harlow during September

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

Quick links

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Location coordinates Where is Harlow?

Get accurate weather forecasts for Harlow, located at latitude 51.777 and longitude 0.112. Stay updated with localized weather information tailored for Harlow.

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