September weather forecastManchester, Bolivia
September
Weather in September
September, the first month of the spring in Manchester, is still a hot month, with an average temperature fluctuating between 21.6°C (70.9°F) and 34.3°C (93.7°F).Temperature
Manchester experiences its highest temperatures in September, with an average peak of 34.3°C (93.7°F) and a low of 21.6°C (70.9°F).Heat index
During September, the heat index is calculated to be a scorching 43°C (109.4°F). Mindful: Heat cramps and heat exhaustion are to be expected. Extended physical effort might result in heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
The average relative humidity in September is 61%.Rainfall
In Manchester, in September, during 15.1 rainfall days, 52mm (2.05") of precipitation is typically accumulated. Throughout the year, there are 253 rainfall days, and 1428mm (56.22") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 2min.On the first day of the month, sunrise is at 06:35 and sunset at 18:29. On the last day of September, sunrise is at 06:15 and sunset at 18:28 -04.
Sunshine
The average sunshine in September is 9.3h.UV index
The months with the highest UV index are July through October, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the UV index of 7 transforms into the following advice:
Deflect overexposure. Sun protection is a necessity. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Manchester, Bolivia
- Average high temperature in September: 34.3°C
The warmest month (with the highest average high temperature) is September (34.3°C).
The month with the lowest average high temperature is February (28.6°C).
- Average low temperature in September: 21.6°C
The month with the highest average low temperature is November (22°C).
The coldest month (with the lowest average low temperature) is July (18.6°C).
Average pressure in September
Manchester, Bolivia
- Average pressure in September: 1010.5mbar
The month with the highest atmospheric pressure is July (1013.3mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).
Average wind speed in September
Manchester, Bolivia
- Average wind speed in September: 5km/h
The windiest month (with the highest average wind speed) is December (5.5km/h).
The calmest months (with the lowest average wind speed) are May and June (4.3km/h).
Average humidity in September
Manchester, Bolivia
- Average humidity in September: 61%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Manchester, Bolivia
- Average rainfall in September: 52mm
The wettest month (with the highest rainfall) is February (231mm).
The driest month (with the least rainfall) is August (23mm).
Average rainfall days in September
Manchester, Bolivia
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is March (29.1 days).
The month with the least rainy days is August (9 days).
Average daylight in September /
Average sunshine in September
Manchester, Bolivia
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 12h and 48min).
The month with the shortest days is June (Average daylight: 11h and 30min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in September
Manchester, Bolivia
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is August (21.2 days).
The month with the least sunshine days is February (0.2 days).
Average UV index in September
Manchester, Bolivia
- Average UV index in September: 7
The months with the highest UV index are July, August, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, November and December (UV index 6).
Average cloud cover in September
Manchester, Bolivia
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Manchester, Bolivia
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and March (6km).
