Temperatures in September
It's hot in September in Harris with an average temperature of 33°C. Temperatures this month range from a low of 31°C to a high of 37°C. At night, you can expect temperatures between 15°C and 22°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Harris in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Harris with hot temperatures, averaging around 36°C during the day and nights close to 21°C. There’s little chance of precipitation. The weather is mostly sunny and dry. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-September
By mid-September, the average daytime temperature drops to around 34°C, with nights close to 18°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
Temperatures vary between day and night, so it’s smart to wear layers.
End of September
By the end of September, the average daytime temperature in Harris will be around 32°C, with nights close to 17°C. No precipitation expected, with plenty of sunshine on the horizon.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in September
In September, there is an average of 16 mm of precipitation, spread over 2 days. The wind speed is around 5 Bft, mostly coming from the South.
The average chance of precipitation is only 7% in September.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Harris. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Harris in September |
London | ||
|---|---|---|---|
 Average Temperature |
33°C | 20°C | |
 High Temp |
37°C | 22°C | |
| Low Temp |
31°C | 17°C | |
 Total Precipitation |
16 mm | 44 mm | |
| Rainy Days |
2 days | 8 days | |
August
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Harris?
September is a fantastic month to be in Harris for sunny weather. You’ll get high temperatures and little chance of rain this month.
Temperature records for Harris in September
With 44°C, Harris hit the highest temperature in the last 10 years in September 2020. The lowest daytime temperature in this month was 21°C in 2017. The extreme night temperatures ranged from a low of 7°C to a high of 25°C.
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Daily Temperature in September in Harris
This chart shows the average daily temperatures, both day and night, for each day in September in Harris, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Harris
The chart below shows the average daily precipitation in September for Harris, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 2 days of rain in Harris.
Daily UV Index in September in Harris
This chart shows the average daily UV index in September in Harris, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Harris Over the Years
This chart shows the average temperature in September in Harris, measured in degrees Celsius, over the past years.
Total Precipitation in September in Harris Over the Years
This chart shows the average precipitation in September in Harris, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Harris
Click on a specific day in September for detailed info on the typical weather on that day in Harris. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Harris
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Average Weather in Harris by Month
Click on a month below to see detailed weather info for Harris. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
