Temperatures in September
It's hot in September in Jam with an average temperature of 32°C. Temperatures this month range from a low of 30°C to a high of 35°C. At night, you can expect temperatures between 17°C and 21°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Jam 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 Jam with hot temperatures, averaging around 31°C during the day and nights close to 18°C. You won’t see any precipitation in the first days of the month, it’s all sunny skies.
Since temperatures can differ between day and night, it’s a good idea to dress in layers.
Mid-September
By mid-September, the average daytime temperature rises to around 33°C, with nights close to 20°C. No precipitation expected during this period, so you can enjoy plenty of sunshine.
End of September
By the end of September, the average daytime temperature in Jam will be around 34°C, with nights close to 21°C. No precipitation expected, with plenty of sunshine on the horizon.
Precipitation in September
According to weather history, there is only 1,2 mm of precipitation in September. The wind speed is around 4 Bft, mostly coming from the East.
The average chance of precipitation is only 2% in September.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Jam. 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.
Jam in September |
London | ||
|---|---|---|---|
 Average Temperature |
32°C | 20°C | |
 High Temp |
35°C | 22°C | |
| Low Temp |
30°C | 17°C | |
 Total Precipitation |
1,2 mm | 44 mm | |
| Rainy Days |
1 day | 8 days | |
August
UV index
The UV index is a maximum of 10 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit Jam?
September is a fantastic month to be in Jam for sunny weather. You’ll get high temperatures and little chance of rain this month.
Temperature records for Jam in September
With 39°C, Jam hit the highest temperature in the last 10 years in September 2015. The lowest daytime temperature in this month was 20°C in 2019. The extreme night temperatures ranged from a low of 9°C to a high of 23°C.
Check out the climate of Jam for all months and discover the best travel time
Daily Temperature in September in Jam
This chart shows the average daily temperatures, both day and night, for each day in September in Jam, 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 Jam
The chart below shows the average daily precipitation in September for Jam, 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 about 1 day of rain in Jam.
Daily UV Index in September in Jam
This chart shows the average daily UV index in September in Jam, 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 Jam Over the Years
This chart shows the average temperature in September in Jam, measured in degrees Celsius, over the past years.
Total Precipitation in September in Jam Over the Years
This chart shows the average precipitation in September in Jam, 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 Jam
Click on a specific day in September for detailed info on the typical weather on that day in Jam. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Jam
Have you been to Jam in September?
Share your weather experience in September in Jam.
Average Weather in Jam by Month
Click on a month below to see detailed weather info for Jam. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
