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September Weather in Sirajganj, Bangladesh

Last updated: August 22, 2025

In September, the average temperature in Sirajganj, Bangladesh reaches a warm 29°C (85°F), with a range that can dip to 25°C (76°F) and peak at 36°C (98°F). Expect 223 mm (8.8 in) of precipitation spread over 25 days, contributing to a high humidity level of 90% that can make the air feel quite tropical.

September Temperature in Sirajganj

In September, in Sirajganj, the average temperature is 29°C (85°F). Maximum temperatures can reach as high as 36°C (98°F), while the minimum can drop to 25°C (76°F). This warm climate makes Sirajganj an ideal destination for those seeking sunny weather and outdoor adventures.

September Weather in Sirajganj: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sirajganj, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sirajganj, September typically has an average temperature of 29°C (85°F), with highs reaching up to 36°C (98°F) and lows dropping to around 25°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec646977818384858585827467
Data source: Temperature data for Sirajganj generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Sirajganj

In Sirajganj in September, the precipitation amount is 223 mm (8.8 in) over the course of 25 days.

September Precipitation Trends in Sirajganj

The chart displays monthly precipitation patterns in Sirajganj, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Sirajganj, September typically receives around 223 mm (8.8 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec414352073463893582612231751119
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sirajganj

In Sirajganj in September humidity is 90%. With an average temperature of 29°C (85°F), this humidity feels like a heavy blanket enveloping you, making every step feel like a chore and turning even the simplest outdoor activities into a sweaty ordeal.

September Average Humidity in Sirajganj

This chart illustrates the average monthly humidity levels in Sirajganj, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Sirajganj is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%65%48%35%65%83%91%90%90%89%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sirajganj

In Sirajganj in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Sirajganj.

Maximum UV Index Levels in Sirajganj for September

The chart shows the monthly maximum UV Index (UVI) for Sirajganj in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Sirajganj typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5791012121313121086
Data source: Sirajganj September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Sirajganj Compares to Other Months

Weather in Sirajganj varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Sirajganj, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Sirajganj, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)4 mm (0.1 inches)74%moderate
February Weather20°C (69°F)14 mm (0.6 inches)65%high
March Weather25°C (77°F)35 mm (1.4 inches)48%very high
April Weather27°C (81°F)207 mm (8.1 inches)35%very high
May Weather28°C (83°F)346 mm (13.6 inches)65%extreme
June Weather29°C (85°F)389 mm (15.3 inches)83%extreme
July Weather29°C (85°F)358 mm (14.1 inches)91%extreme
August Weather30°C (86°F)261 mm (10.3 inches)90%extreme
September Weather29°C (85°F)223 mm (8.8 inches)90%extreme
October Weather28°C (82°F)175 mm (6.9 inches)89%very high
November Weather23°C (75°F)11 mm (0.4 inches)88%very high
December Weather19°C (67°F)19 mm (0.7 inches)87%high

Compare Sirajganj's Climate with Cities Worldwide