September weather forecastBitama, Eritrea
September
Weather in September
September marks a transition towards drier weather after the end of the monsoon season in Bitama. There is a significant decrease in rainfall alongside a surge in sunshine hours. The temperature range returns to match the annual averages, with decreased humidity and increased visibility. The temperature is seen rising again towards higher levels, with 36.6°C (97.9°F) being the hottest during the month. September hence brings an end to monsoons, paving the way for autumn.Temperature
In September, Bitama experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 33.9°C (93°F) in August to a very hot 36.6°C (97.9°F). An average temperature of 27°C (80.6°F) is recorded during the nights in September.Heat index
For most parts of September, the heat index is evaluated at a scorching 42°C (107.6°F). Implement additional cautionary measures, heat cramps and heat exhaustion could occur. Prolonged activity might induce heatstroke.Take note of the fact that heat index values are based on shaded circumstances with light airflows. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical to babies and toddlers. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Overheating risks increase with rising body temperatures, especially if heat release isn't efficient.
Humidity
In Bitama, the average relative humidity in September is 43%.Rainfall
In Bitama, in September, during 7.7 rainfall days, 15mm (0.59") of precipitation is typically accumulated. Throughout the year, in Bitama, there are 57.4 rainfall days, and 161mm (6.34") of precipitation is accumulated.Daylight
The average length of the day in September in Bitama is 12h and 13min.On the first day of September, sunrise is at 06:20 and sunset at 18:44. On the last day of the month, sunrise is at 06:22 and sunset at 18:22 EAT.
Sunshine
In September, the average sunshine is 9.8h.UV index
In Bitama, the average daily maximum UV index in September is 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 8 in September translates into this advice:
Swift harm can befall unprotected skin and eyes. Prioritize safety. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize 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
Bitama, Eritrea
- Average high temperature in September: 36.6°C
The warmest month (with the highest average high temperature) is May (40.3°C).
The month with the lowest average high temperature is January (33.3°C).
- Average low temperature in September: 27°C
The month with the highest average low temperature is May (29.7°C).
The coldest month (with the lowest average low temperature) is January (20.3°C).
Average pressure in September
Bitama, Eritrea
- Average pressure in September: 1008mbar
The month with the highest atmospheric pressure is January (1011mbar).
The month with the lowest atmospheric pressure is April (1005.6mbar).
Average wind speed in September
Bitama, Eritrea
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is July (20.3km/h).
The calmest month (with the lowest average wind speed) is October (10.6km/h).
Average humidity in September
Bitama, Eritrea
- Average humidity in September: 43%
The month with the highest relative humidity is August (57%).
The month with the lowest relative humidity is April (21%).
Average rainfall in September
Bitama, Eritrea
- Average rainfall in September: 15mm
The wettest month (with the highest rainfall) is August (59mm).
The driest months (with the least rainfall) are January, February and December (0mm).
Average rainfall days in September
Bitama, Eritrea
- Average rainfall days in September: 7.7 days
The month with the highest number of rainy days is August (17.3 days).
The months with the least rainy days are January and December (0 days).
Average daylight in September /
Average sunshine in September
Bitama, Eritrea
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 9h and 48min
The months with the most sunshine are January, February, November and December (Average sunshine: 10h and 0min).
The month with the least sunshine is August (Average sunshine: 9h and 6min).
Average sunshine days in September
Bitama, Eritrea
- Average sunshine days in September: 19 days
The month with the most sunshine days is January (31 days).
The month with the least sunshine days is August (11 days).
Average UV index in September
Bitama, Eritrea
- Average UV index in September: 8
The month with the highest UV index is May (UV index 9).
The months with the lowest UV index are January, July, November and December (UV index 7).
Average cloud cover in September
Bitama, Eritrea
- Average cloud cover in September: 15
The month with the most cloud cover is August (Cloud cover 32).
The month with the least cloud cover is January (Cloud cover 1).
Average visibility in September
Bitama, Eritrea
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





