Weather in Purnia, Bihar, India in September
In an average September, Purnia sees a daily high around 31°C and a low around 25°C, based on 1981–2026 of local climate records.
| Average high | 31°C |
|---|---|
| Typical high range | 29°C to 34°C |
| Average low | 25°C |
| Typical low range | 24°C to 26°C |
| Average daily precipitation | 8 mm |
September records
The most extreme September on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total September accumulation.
High
Highest
38°C
1992-09-24
Lowest
24°C
2019-09-29
Low
Highest
28°C
2024-09-13
Lowest
20°C
1994-09-26
Feels-like
Highest
58°C
2024-09-23
Lowest
24°C
2019-09-29
Humidity
Highest
26.6 g/m³
2019-09-02
Lowest
15.5 g/m³
1994-09-26
Wind
Highest
44 km/h
2006-09-21
Lowest
4 km/h
2025-09-29
Precip
Wettest
566 mm
2020
Driest
74 mm
1992
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