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September Weather in Samastipur, India

Last updated: August 23, 2025

In September, the average temperature in Samastipur, India is a warm 30°C (85°F). Expect minimums of 23°C (74°F) and highs reaching up to 37°C (98°F). Be prepared for significant precipitation, with approximately 255 mm (10.0 in) spread over 24 days. The average humidity hovers around a sultry 90%, making this month quite the tropical experience!

September Temperature in Samastipur

In September in Samastipur, the average temperature is 30°C (85°F). The maximum can reach 37°C (98°F) and the minimum can be as low as 23°C (74°F). Overall, it's an ideal time for travelers seeking warm weather and enjoyable outdoor activities.

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

The chart illustrates September temperature patterns in Samastipur, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Samastipur, September typically has an average temperature of 30°C (85°F), with highs reaching up to 37°C (98°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec606677858788868685817263
Data source: Temperature data for Samastipur 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 Samastipur

In Samastipur in September, the precipitation amount is 255 mm (10.0 in) spread over a period of 24 days.

September Precipitation Trends in Samastipur

The chart displays monthly precipitation patterns in Samastipur, 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 Samastipur, September typically receives around 255 mm (10.0 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec62014188320336129725588121
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Samastipur

In Samastipur in September humidity is 90%. With an average temperature of 30°C (85°F), this humidity feels like walking through a warm, thick blanket, making travel feel heavy and draining as each step becomes a challenge against the muggy air.

September Average Humidity in Samastipur

This chart illustrates the average monthly humidity levels in Samastipur, 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 Samastipur is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%59%45%29%51%77%91%90%90%90%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Samastipur

In Samastipur 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 Samastipur.

Maximum UV Index Levels in Samastipur for September

The chart shows the monthly maximum UV Index (UVI) for Samastipur 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 Samastipur typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec56810910121212965
Data source: Samastipur 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 Samastipur Compares to Other Months

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

This table compares monthly weather conditions in Samastipur, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (60°F)6 mm (0.2 inches)72%moderate
February Weather19°C (67°F)20 mm (0.8 inches)59%high
March Weather25°C (77°F)14 mm (0.5 inches)45%very high
April Weather30°C (85°F)18 mm (0.7 inches)29%very high
May Weather30°C (87°F)83 mm (3.3 inches)51%very high
June Weather31°C (89°F)203 mm (8.0 inches)76%very high
July Weather30°C (86°F)361 mm (14.2 inches)91%extreme
August Weather30°C (86°F)297 mm (11.7 inches)90%extreme
September Weather30°C (85°F)255 mm (10.0 inches)90%extreme
October Weather27°C (82°F)88 mm (3.5 inches)90%very high
November Weather22°C (73°F)1 mm (0.0 inches)88%high
December Weather17°C (63°F)21 mm (0.8 inches)87%moderate

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